Currently includes
2007 (case 1) through 2022 (case 20)
| DIAGNOSIS | YEAR | NUMBER | SITE |
|---|---|---|---|
| Myxoid liposarcoma | 2007 | 1 | Soft tissue |
| Malignant solitary fibrous tumor | 2007 | 2 | Chest wall |
| Submassive hepatic necrosis | 2007 | 3 | Liver |
| Hepatoblastoma | 2007 | 4 | Liver |
| Melanoma | 2007 | 5 | Anus |
| Congenital mesoblastic nephroma, cellular type | 2007 | 6 | Kidney |
| Carcinoid tumor | 2007 | 7 | Kidney |
| Gliomatosis cerebri, WHO grade 3 | 2007 | 8 | Brain |
| Angiosarcoma | 2007 | 9 | Spleen |
| Hepatosplenic T-cell lymphoma | 2007 | 10 | Spleen |
| Paraganglioma of the cauda equina | 2007 | 11 | Spinal cord |
| Spindle cell lipoma | 2007 | 12 | Soft tissue |
| Endometrial stromal sarcoma, low grade | 2007 | 13 | Uterus |
| Angiolipoma | 2007 | 14 | Kidney |
| Extraskeletal Ewing sarcoma/primitive neuroectodermal tumor | 2007 | 15 | Buttock |
| Seminoma | 2007 | 16 | Testis |
| Epithelioid leiomyosarcoma | 2007 | 17 | Uterus |
| Acute cellular allograft rejection (Banff 97, grade 2B) | 2007 | 18 | Kidney |
| Cardiac myxoma | 2007 | 19 | Heart |
| Osteosarcoma | 2007 | 20 | Bone |
| Aggressive angiomyxoma | 2007 | 21 | Scrotum |
| Metastatic renal cell carcinoma | 2007 | 22 | Colon |
| Pulmonary cryptococcosis | 2007 | 23 | Lung |
| Mucinous cystic neoplasm (mucinous cystadenoma) | 2007 | 24 | Pancreas |
| Malignant mixed mullerian tumor | 2007 | 25 | Right ovary |
| Neuroblastoma, poorly differentiated | 2007 | 26 | Adrenal gland |
| Metanephric adenoma | 2007 | 27 | Kidney |
| Alveolar soft part sarcoma | 2007 | 28 | Paraspinal soft tissue |
| Clear cell carcinoma of ovary | 2007 | 29 | Ovary |
| Sarcomatoid carcinoma (metaplastic carcinoma) | 2007 | 30 | Breast |
| Atypical meningioma (WHO grade 2) | 2007 | 31 | Brain |
| Fibrolamellar hepatocellular carcinoma | 2007 | 32 | Liver |
| Follicular dendritic cell tumor/sarcoma | 2007 | 33 | Mediastinum |
| Splenic marginal zone lymphoma | 2007 | 34 | Spleen |
| Post-radiation osteosarcoma, fibroblastic type | 2007 | 35 | Skull |
| Low grade papillary urothelial carcinoma | 2007 | 36 | Kidney |
| Hepatoid carcinoma | 2007 | 37 | Ovary |
| Embryonal rhabdomyosarcoma (ERMS) with anaplasia | 2007 | 38 | Suprapubic region |
| Plasmacytoma, extramedullary | 2007 | 39 | Soft tissue, left posterior neck and shoulder |
| Pancreatic endocrine carcinoma | 2007 | 40 | Pancreas |
| Cytomegalovirus pneumonia and pneumocystis pneumonia | 2008 | 1 | Lung |
| Aggressive systemic mastocytosis | 2008 | 2 | Liver |
| Angiofollicular hyperplasia (Castleman disease) | 2008 | 3 | Lymph node, Mediastinum |
| Metastatic melanoma | 2008 | 4 | Soft tissue, abdomen |
| Small cell carcinoma | 2008 | 5 | Lung |
| Adenocarcinoma of the small bowel, arising in celiac disease | 2008 | 6 | Small bowel |
| Microcystic serous cystadenocarcinoma | 2008 | 7 | Pancreas |
| Undifferentiated (anaplastic)carcinoma of thyroid | 2008 | 8 | Thyroid gland |
| Pulmonary adenocarcinoma, mixed subtype | 2008 | 9 | Left lung |
| Crohn disease | 2008 | 10 | Rectum and sigmoid colon |
| Pituitary adenoma | 2008 | 11 | Central nervous system |
| Extranodal marginal zone lymphoma, MALT type | 2008 | 12 | Lung |
| Chordoid meningioma | 2008 | 13 | Right parietal brain |
| Adrenal cortical carcinoma | 2008 | 14 | Adrenal gland |
| Juvenile granulosa cell tumor | 2008 | 15 | Ovary |
| Angiomyofibroblastoma-like tumor of the male genital tract (cellular angiofibroma) | 2008 | 16 | Soft tissue mass, scrotal |
| Malignant mesothelioma | 2008 | 17 | Peritoneum |
| Lymphoepithelial thymoma | 2008 | 18 | Thymus |
| Focal nodular hyperplasia | 2008 | 19 | Liver |
| Desmoid-type fibromatosis | 2008 | 20 | Mesenteric mass |
| Lymphangioma | 2008 | 21 | Spleen |
| Mucinous carcinoma arising in an intraductal papillary mucinous neoplasm | 2008 | 22 | Pancreas |
| Gastrointestinal stromal tumor | 2008 | 23 | Ileum |
| Angiosarcoma | 2008 | 24 | Liver |
| Metastatic colorectal adenocarcinoma | 2008 | 25 | Ovary |
| Acinic cell carcinoma | 2008 | 26 | Parotid gland |
| Oncocytoma | 2008 | 27 | Kidney |
| Lymphoepithelial cyst | 2008 | 28 | Pancreas |
| Paraganglioma | 2008 | 29 | Mediastinum, posterior |
| Chondrosarcoma | 2008 | 30 | Left pelvis |
| Anaplastic hemangiopericytoma of the nervous system | 2008 | 31 | Dura/meninges |
| Hairy cell leukemia | 2008 | 32 | Spleen |
| Mammary-type myofibroblastoma of soft tissue | 2008 | 33 | Scrotum |
| Angiosarcoma | 2008 | 34 | Right leg skin |
| Leydig cell tumor | 2008 | 35 | Testis |
| Chromophobe renal cell carcinoma | 2008 | 36 | Right kidney |
| Chronic villitis secondary to cytomegalovirus infection | 2008 | 37 | Placenta |
| Littoral cell angioma | 2008 | 38 | Spleen |
| Cavernous hemangioma | 2008 | 39 | Liver |
| Myelolipoma | 2008 | 40 | Adrenal gland |
| Nodular melanoma | 2009 | 1 | Skin |
| Plasmacytoma | 2009 | 2 | Jejunum |
| Herpes simplex virus hepatitis | 2009 | 3 | Liver |
| Adenocarcinoma, diffuse (signet ring cell) type | 2009 | 4 | Stomach |
| Serous neoplasm of low malignant potential | 2009 | 5 | Ovary |
| High grade endometrioid uterine carcinoma, Grade 3 | 2009 | 6 | Uterine corpus |
| Ganglioneuroma | 2009 | 7 | Soft tissue |
| Spindle cell thymoma (WHO type A) | 2009 | 8 | Mediastinum |
| Leiomyosarcoma | 2009 | 9 | Left pelvic soft tissue |
| Papillary renal cell carcinoma | 2009 | 10 | Kidney |
| Gliomatosis cerebri | 2009 | 11 | Central nervous system |
| Myxoid liposarcoma | 2009 | 12 | Soft tissue, left medial thigh |
| Mixed epithelial and stromal tumor | 2009 | 13 | Kidney |
| Sclerosing mesenteritis | 2009 | 14 | Small bowel |
| Metastatic mucinous adenocarcinoma (mucinous carcinoma peritonei), low grade | 2009 | 15 | Omentum |
| Lymphangioma (Lymphatic malformation) | 2009 | 16 | Small intestine / mesentery |
| Primary testicular lymphoma, diffuse large B-cell type | 2009 | 17 | Testis |
| Malignant phyllodes tumor | 2009 | 18 | Breast |
| Endometrial stromal sarcoma, low grade | 2009 | 19 | Uterus |
| Clear cell renal cell carcinoma | 2009 | 20 | Kidney |
| Hepatocellular carcinoma | 2009 | 21 | Liver |
| Acinar cell carcinoma | 2009 | 22 | Pancreas |
| Endometrioid adenocarcinoma | 2009 | 23 | Ovary |
| Papillary thyroid carcinoma, classical type | 2009 | 24 | Thyroid |
| Alpha-1-antitrypsin deficiency | 2009 | 25 | Liver |
| Mantle cell lymphoma | 2009 | 26 | Spleen |
| Solid pseudopapillary neoplasm | 2009 | 27 | Pancreas |
| Angiomyolipoma | 2009 | 28 | Kidney |
| Ulcerative colitis | 2009 | 29 | Terminal ileum and colon |
| Low grade fibromyxoid sarcoma with giant collagen rosettes | 2009 | 30 | Mediastinum |
| Cortical tuber associated with tuberous sclerosis | 2009 | 31 | Brain |
| Pseudomembranous colitis secondary to Clostridium difficile infection | 2009 | 32 | Colon |
| Squamous cell carcinoma | 2009 | 33 | Lung |
| Myeloid sarcoma | 2009 | 34 | Right ovary |
| Undifferentiated (anaplastic) thyroid carcinoma | 2009 | 35 | Thyroid gland |
| Yolk sac tumor | 2009 | 36 | Ovary |
| Complete hydatidiform mole | 2009 | 37 | Uterus |
| Schwannoma with degenerative changes | 2009 | 38 | Retroperitoneum |
| Non-invasive papillary urothelial carcinoma | 2009 | 39 | Kidney |
| Hepatocellular carcinoma | 2009 | 40 | Liver |
| Lymphangioleiomyomatosis | 2010 | 1 | Retroperitoneum |
| Seminoma | 2010 | 2 | Testicle |
| Pneumatosis (cystoides) intestinalis related to progressive systemic sclerosis | 2010 | 3 | Terminal ileum and colon |
| Myxoid/round cell liposarcoma | 2010 | 4 | Colon |
| Crohn disease | 2010 | 5 | Colon |
| Chromophobe renal cell carcinoma | 2010 | 6 | Kidney |
| Well-differentiated pancreatic endocrine tumor | 2010 | 7 | Pancreas |
| Elastofibroma | 2010 | 8 | Soft tissue |
| Steroid cell tumor, not otherwise specified | 2010 | 9 | Ovary |
| Renal cell carcinoma with sarcomatoid component | 2010 | 10 | Left kidney |
| Cholesterolosis | 2010 | 11 | Gallbladder |
| Follicular variant of papillary thyroid carcinoma | 2010 | 12 | Thyroid |
| Wilms tumor, favorable histology | 2010 | 13 | Kidney |
| Autoimmune (Hashimoto) thyroiditis | 2010 | 14 | Thyroid |
| Basaloid squamous cell carcinoma | 2010 | 15 | Larynx |
| Myxoma | 2010 | 16 | Left atrium |
| Hairy cell leukemia | 2010 | 17 | Spleen |
| Adult granulosa cell tumor | 2010 | 18 | Ovary |
| Infiltrating duct carcinoma, poorly differentiated | 2010 | 19 | Left breast |
| Cavernous hemangioma | 2010 | 20 | Heart |
| Dysgerminoma | 2010 | 21 | Abdominal lymph node |
| Osteosarcoma, chondroblastic type | 2010 | 22 | Skull |
| Invasive lobular carcinoma | 2010 | 23 | Breast |
| Endometrioid adenocarcinoma | 2010 | 24 | Ovary |
| Chronic villitis secondary to cytomegalovirus infection | 2010 | 25 | Placenta |
| Familial adenomatous polyposis | 2010 | 26 | Gastrointestinal tract |
| Fibrolamellar carcinoma | 2010 | 27 | Liver |
| Medullary carcinoma | 2010 | 28 | Colon |
| Angiosarcoma | 2010 | 29 | Scalp |
| Adrenal cortical carcinoma | 2010 | 30 | Pelvis |
| Congenital hepatic fibrosis | 2010 | 31 | Liver |
| Niemann-Pick disease | 2010 | 32 | Spleen |
| Tumoral calcinosis | 2010 | 33 | Left buttock soft tissue |
| Pseudoangiomatous stromal hyperplasia | 2010 | 34 | Left breast |
| Well-differentiated liposarcoma | 2010 | 35 | Testis/paratesticular |
| Complete hydatidiform mole | 2010 | 36 | Products of conception |
| Nodular sclerosis classical Hodgkin lymphoma | 2010 | 37 | Lymph node, left axilla |
| Primary renal Ewing sarcoma/primitive neuroectodermal tumor | 2010 | 38 | Left kidney |
| Wilson disease | 2010 | 39 | Liver |
| Diffuse large B-cell lymphoma, not otherwise specified | 2010 | 40 | Spleen |
| Renal medullary carcinoma | 2011 | 1 | Right kidney |
| Carcinoma with thymus-like elements | 2011 | 2 | Thyroid |
| Viral associated hemophagocytic syndrome | 2011 | 3 | Spleen |
| Intraosseous osteosarcoma, low-grade | 2011 | 4 | Femur |
| Glomus tumor | 2011 | 5 | Shoulder |
| Splenic marginal zone lymphoma | 2011 | 6 | Spleen |
| Multicystic peritoneal mesothelioma | 2011 | 7 | Peritoneum |
| Clostridium difficile pseudomembranous colitis | 2011 | 8 | Colon |
| Complete hydatidiform mole | 2011 | 9 | Uterus |
| Biliary cirrhosis secondary to cystic fibrosis | 2011 | 10 | Liver |
| Follicular dendritic cell sarcoma | 2011 | 11 | Thymus |
| Mucinous adenocarcinoma | 2011 | 12 | Colon |
| Epithelioid trophoblastic tumor | 2011 | 13 | Uterus |
| Cryptococcus | 2011 | 14 | Lung |
| Recurrent respiratory papillomatosis | 2011 | 15 | Lung |
| Congenital mesoblastic nephroma | 2011 | 16 | Kidney |
| Glycogen storage disease, type IV | 2011 | 17 | Liver |
| Kaposiform hemangioendothelioma | 2011 | 18 | Soft tissue, right neck |
| Malignant mesothelioma | 2011 | 19 | Pleura |
| Pheochromocytoma | 2011 | 20 | Adrenal gland |
| Juvenile granulosa cell tumor | 2011 | 21 | Ovary |
| Synovial sarcoma | 2011 | 22 | Left thigh |
| Benign Brenner tumor | 2011 | 23 | Ovary |
| Chondrosarcoma, well-differentiated | 2011 | 24 | Bone, third metatarsal, left foot |
| Malignant peripheral nerve sheath tumor | 2011 | 25 | Femoral nerve |
| Kimura lymphadenopathy | 2011 | 26 | Lymph node/soft tissue |
| Microcystic serous cystadenoma | 2011 | 27 | Pancreas |
| Chordoid meningioma, WHO grade II | 2011 | 28 | Brain |
| Mullerian adenosarcoma | 2011 | 29 | Uterus |
| Collagenous colitis | 2011 | 30 | Colon |
| Angiomyofibroblastoma | 2011 | 31 | Vulva |
| Phyllodes tumor, low grade | 2011 | 32 | Breast |
| Gaucher disease | 2011 | 33 | Spleen |
| Sclerosing stromal tumor | 2011 | 34 | Ovary |
| Medullary carcinoma | 2011 | 35 | Thyroid |
| Stromal tumor of uncertain malignant potential | 2011 | 36 | Prostate |
| Alveolar capillary dysplasia | 2011 | 37 | Lung |
| Hepatoblastoma | 2011 | 38 | Liver |
| Invasive mucinous adenocarcinoma | 2011 | 39 | Lung |
| Dysgerminoma | 2011 | 40 | Ovary |
| Gastrointestinal stromal tumor | 2012 | 1 | Gastric fundus |
| Mesenteric fibromatosis | 2012 | 2 | Small bowel mesentery |
| Infantile fibrosarcoma | 2012 | 3 | Forearm |
| Sclerosing mesenteritis | 2012 | 4 | Mesentery |
| Ewing sarcoma/Primitive neuroectodermal tumor | 2012 | 5 | Bone and soft tissue, leg |
| Alcoholic liver disease with cirrhosis | 2012 | 6 | Liver |
| Amyloidosis | 2012 | 7 | Spleen |
| PEComa | 2012 | 8 | Pelvis |
| Angiomyolipoma | 2012 | 9 | Kidney |
| Acinar cell carcinoma | 2012 | 10 | Pancreas |
| Neuroblastoma, poorly differentiated | 2012 | 11 | Adrenal gland |
| Intramuscular myxoma | 2012 | 12 | Right chest wall |
| Urothelial carcinoma | 2012 | 13 | Urinary bladder |
| Primary synovial chondromatosis | 2012 | 14 | Knee |
| Cellular fibrothecoma | 2012 | 15 | Ovary |
| Intra-abdominal desmoplastic small round cell tumor | 2012 | 16 | Intra-abdominal |
| Solitary fibrous tumor | 2012 | 17 | Mediastinum |
| Hepatitis C with alpha-1-antitrypsin intracytoplasmic globules | 2012 | 18 | Explant liver |
| Hepatosplenic T-cell lymphoma | 2012 | 19 | Spleen |
| Focal nodular hyperplasia | 2012 | 20 | Liver |
| Castleman disease | 2012 | 21 | Cervical lymph node |
| Neuroendocrine tumor, WHO grade 2 | 2012 | 22 | Ileum |
| Alveolar soft part sarcoma | 2012 | 23 | Soft tissue, thigh |
| Mesenchymal hamartoma | 2012 | 24 | Liver |
| Oncocytoma | 2012 | 25 | Kidney |
| Pigmented villonodular synovitis, diffuse type (WHO "diffuse type giant cell tumor") | 2012 | 26 | Right knee |
| Burkitt lymphoma | 2012 | 27 | Small bowel |
| Endometrial stromal sarcoma | 2012 | 28 | Uterus |
| Paraganglioma | 2012 | 29 | Retroperitoneum |
| Pancreatic neuroendocrine tumor | 2012 | 30 | Pancreas |
| Solid-pseudopapillary neoplasm | 2012 | 31 | Pancreas |
| Plexiform neurofibroma | 2012 | 32 | Small bowel mesentery |
| Mesenchymal dysplasia | 2012 | 33 | Placenta |
| Mantle cell lymphoma | 2012 | 34 | Spleen |
| Hibernoma | 2012 | 35 | Soft tissue, back |
| Dysgerminoma | 2012 | 36 | Left ovary |
| Extranodal marginal zone B-Cell lymphoma | 2012 | 37 | Lung |
| Fibrolamellar hepatocellular carcinoma | 2012 | 38 | Liver |
| Myelolipoma | 2012 | 39 | Soft tissue |
| Angiosarcoma | 2012 | 40 | Liver |
| Malignant melanoma, nodular type | 2013 | 1 | Right plantar foot |
| Pleomorphic carcinoma | 2013 | 2 | Lung |
| Chordoma | 2013 | 3 | Sacrum |
| Chondrosarcoma, grade 2 | 2013 | 4 | Pelvis |
| Splenic extramedullary hematopoiesis secondary to primary myelofibrosis | 2013 | 5 | Spleen |
| Undifferentiated embryonal sarcoma of liver | 2013 | 6 | Liver |
| Metastatic appendiceal goblet cell carcinoid (mixed adenoneuroendocrine carcinoma) | 2013 | 7 | Pelvis |
| Chagas disease, acute reactivation following transplant | 2013 | 8 | Heart |
| Alveolar rhabdomyosarcoma | 2013 | 9 | Lymph node and surrounding soft tissue |
| Chromophobe renal cell carcinoma | 2013 | 10 | Kidney |
| Mucinous cystadenocarcinoma of ovary, Grade I | 2013 | 11 | Ovary |
| Sclerosing extramedullary hematopoietic tumor | 2013 | 12 | Retroperitoneum |
| Urothelial carcinoma, micropapillary variant | 2013 | 13 | Urinary bladder |
| Merkel cell carcinoma | 2013 | 14 | Inguinal lymph node |
| Pseudomembranous colitis | 2013 | 15 | Colon |
| Peutz-Jeghers polyp | 2013 | 16 | Sigmoid colon |
| Varicella zoster virus infection | 2013 | 17 | Placenta |
| Solitary fibrous tumor | 2013 | 18 | Mesentery |
| Immature teratoma | 2013 | 19 | Ovary |
| Epithelioid angiosarcoma | 2013 | 20 | Breast |
| Extramammary Paget disease | 2013 | 21 | Vulva |
| Adenocarcinoma, predominantly acinar type | 2013 | 22 | Lung |
| Congenital mesoblastic nephroma | 2013 | 23 | Kidney |
| Low-grade fibromyxoid sarcoma | 2013 | 24 | Thigh |
| Small lymphocytic lymphoma/chronic lymphocytic leukemia | 2013 | 25 | Spleen |
| Uterine leiomyosarcoma | 2013 | 26 | Uterus |
| Autosomal dominant polycystic kidney disease | 2013 | 27 | Kidney |
| Adrenal cortical carcinoma | 2013 | 28 | Adrenal gland |
| Papillary renal cell carcinoma, type 1 | 2013 | 29 | Right kidney |
| Thymoma, WHO type AB | 2013 | 30 | Anterior mediastinum |
| Leiomyoma | 2013 | 31 | Broad ligament |
| Nodular lymphocyte-predominant Hodgkin lymphoma | 2013 | 32 | Mesenteric lymph node |
| Yolk sac tumor | 2013 | 33 | Testis |
| Well-differentiated squamous cell carcinoma | 2013 | 34 | Mid esophagus |
| Alagille syndrome | 2013 | 35 | Liver |
| Ulcerative colitis | 2013 | 36 | Ascending colon |
| Chorangioma | 2013 | 37 | Placenta |
| Nodular fasciitis | 2013 | 38 | Breast |
| Sertoli-Leydig cell tumor | 2013 | 39 | Ovary |
| Intramuscular hemangioma | 2013 | 40 | Soft tissue-latissimus dorsi |
| Nodular thyroid hyperplasia (multinodular goiter) | 2014 | 1 | Thyroid gland, left lobe |
| Extrarenal malignant rhabdoid tumor | 2014 | 2 | Thigh |
| Fibrothecoma | 2014 | 3 | Right ovary |
| Fusobacterium nucleatum infection | 2014 | 4 | Placenta |
| Invasive squamous cell carcinoma, well differentiated | 2014 | 5 | Stump of left below knee amputation |
| Cardiac (atrial) myxoma | 2014 | 6 | Left atrium, heart |
| Biphasic mesothelioma | 2014 | 7 | Right lung and pleura |
| Classical Hodgkin lymphoma | 2014 | 8 | Right neck |
| Chronic pyelonephritis with granulomas | 2014 | 9 | Kidney |
| Hashimoto thyroiditis, fibrous atrophy variant | 2014 | 10 | Thyroid gland |
| Hepatic epithelioid hemangioendothelioma | 2014 | 11 | Liver |
| Familial adenomatous polyposis | 2014 | 12 | Colon |
| Seminoma | 2014 | 13 | Right testicle |
| Cellular schwannoma | 2014 | 14 | Soft tissue left thorax (mediastinum) |
| Endometrioid carcinoma | 2014 | 15 | Uterus/endometrium |
| Aggressive angiomyxoma | 2014 | 16 | Vulva |
| Littoral cell angioma | 2014 | 17 | Spleen |
| Splenic marginal zone lymphoma | 2014 | 18 | Spleen |
| Clear cell carcinoma | 2014 | 19 | Right ovary |
| Nephroblastoma (Wilms tumor) | 2014 | 20 | Kidney |
| Sarcomatoid renal cell carcinoma | 2014 | 21 | Kidney |
| Granulomatous lymphadenitis/sarcoidosis | 2014 | 22 | Inguinal lymph node |
| Juvenile granulosa cell tumor | 2014 | 23 | Right ovary |
| Parvovirus B19 infection | 2014 | 24 | Placenta |
| Lipoblastomatosis | 2014 | 25 | Right neck and facial mass |
| Metastatic small cell carcinoma of the lung | 2014 | 26 | Abdomen and back |
| Chondroblastoma | 2014 | 27 | Distal femur |
| Gastric carcinoma | 2014 | 28 | Stomach |
| Melanosis coli | 2014 | 29 | Colon |
| Dedifferentiated liposarcoma | 2014 | 30 | Retroperitoneum |
| Malignant fibrous histiocytoma (undifferentiated pleomorphic sarcoma) | 2014 | 31 | Soft tissue, left thigh |
| Papillary urothelial carcinoma | 2014 | 32 | Renal pelvis |
| Meningioma, meningothelial type | 2014 | 33 | Brain/dura |
| Follicular lymphoma | 2014 | 34 | Lymph node, right inguinal region |
| Invasive micropapillary carcinoma of breast | 2014 | 35 | Breast |
| Medullary carcinoma | 2014 | 36 | Right colon |
| Crohn Colitis | 2014 | 37 | Ascending colon |
| Endometriosis | 2014 | 38 | Abdominal wall |
| Renal carcinoma associated with Xp11.2 translocation | 2014 | 39 | Kidney |
| Arrhythmogenic right ventricular cardiomyopathy/dysplasia | 2014 | 40 | Heart, right ventricle |
| Salivary duct carcinoma | 2015 | 1 | Parotid gland |
| Ganglioneuroblastoma | 2015 | 2 | Paravertebral |
| Malignant PEComa | 2015 | 3 | Uterus |
| Cellular angiofibroma | 2015 | 4 | Vagina |
| Extranodal Rosai-Dorfman disease | 2015 | 5 | Breast |
| Budd-Chiari syndrome (primary) | 2015 | 6 | Liver |
| Ganglioneuroma | 2015 | 7 | Mediastinum |
| Metastatic neuroendocrine tumor (NET) | 2015 | 8 | Liver |
| Serous carcinoma | 2015 | 9 | Peritoneum |
| Hepatic nuclear factor 1 alpha (HNF1A)-inactivated hepatocellular adenoma | 2015 | 10 | Liver |
| Sclerosing stromal tumor | 2015 | 11 | Ovary |
| Amyloidosis | 2015 | 12 | Heart |
| Spindle cell/pleomorphic lipoma | 2015 | 13 | Posterior neck |
| Lymphangioma | 2015 | 14 | Mesentery |
| Focal nodular hyperplasia | 2015 | 15 | Liver |
| Diffuse large B cell lymphoma | 2015 | 16 | Colon |
| Invasive mucinous adenocarcinoma/colloid carcinoma | 2015 | 17 | Lung |
| Thymic follicular hyperplasia | 2015 | 18 | Thymus |
| Hepatobiliary cystadenoma | 2015 | 19 | Liver |
| Meningioma | 2015 | 20 | Brain |
| Myositis ossificans circumscripta | 2015 | 21 | Soft tissue |
| Fungal infection due to hyalohyphomycotic organism (Scedosporium Apiospermum) | 2015 | 22 | Skin and soft tissue of right forearm |
| Chronic villitis of unknown etiology | 2015 | 23 | Third trimester placenta |
| Serous cystadenoma | 2015 | 24 | Pancreas |
| Acinar cell carcinoma | 2015 | 25 | Pancreas |
| Spermatocytic seminoma | 2015 | 26 | Testicle |
| Extra-adrenal paraganglioma | 2015 | 27 | Retroperitoneum |
| Diffuse large B-cell lymphoma (DLBCL), not otherwise specified | 2015 | 28 | Testicle |
| Adenosarcoma with sarcomatous overgrowth | 2015 | 29 | Uterus |
| Medullary thyroid carcinoma, sporadic | 2015 | 30 | Thyroid gland |
| Pilomatrixoma | 2015 | 31 | Left arm |
| Follicular dendritic cell sarcoma | 2015 | 32 | Duodenum |
| Mesenteric fibromatosis | 2015 | 33 | Mesentery attached to small bowel |
| Metastatic pleomorphic lobular carcinoma of breast | 2015 | 34 | Small bowel and ovary |
| Monophasic synovial sarcoma | 2015 | 35 | Lung |
| Neuroendocrine carcinoma | 2015 | 36 | Ileum |
| Cardiac allograft vasculopathy | 2015 | 37 | Transplanted heart |
| Brenner tumor with mucinous cystadenoma | 2015 | 38 | Left ovary |
| High-grade (conventional) osteosarcoma | 2015 | 39 | Right thigh |
| Endometrial stromal sarcoma | 2015 | 40 | Uterus |
| Mucinous adenocarcinoma of stomach | 2016 | 1 | Stomach |
| Mixed germ cell tumor | 2016 | 2 | Testis |
| Clear-cell hepatocellular carcinoma | 2016 | 3 | Liver |
| Angiomyolipoma | 2016 | 4 | Kidney |
| Extraosseous Ewing sarcoma | 2016 | 5 | Thigh |
| Clear cell sarcoma | 2016 | 6 | Left leg |
| Pleomorphic liposarcoma | 2016 | 7 | Deep soft tissue; left upper extremity |
| Reactive follicular hyperplasia | 2016 | 8 | Groin lymph node |
| Yolk sac tumor | 2016 | 9 | Right ovary |
| Endometrioid stromal sarcoma | 2016 | 10 | Ovary and peritoneum |
| Renal cell carcinoma with rhabdoid differentiation | 2016 | 11 | Kidney |
| Adenocarcinoma ex goblet cell carcinoid | 2016 | 12 | Ovary |
| Hepatoblastoma | 2016 | 13 | Liver |
| Thymoma | 2016 | 14 | Mediastinal mass |
| Myxoid liposarcoma | 2016 | 15 | Thigh mass |
| Squamous cell carcinoma, poorly differentiated | 2016 | 16 | Penis |
| Acinic cell carcinoma with high-grade transformation | 2016 | 17 | Parotid gland |
| Sclerosing angiomatoid nodular transformation | 2016 | 18 | Spleen |
| Gastrointestinal stromal tumor (GIST) | 2016 | 19 | Stomach |
| Placenta previa increta | 2016 | 20 | Uterus |
| Cystic nephroma/mixed epithelial and stromal tumor | 2016 | 21 | Kidney |
| Chromophobe renal cell carcinoma | 2016 | 22 | Kidney |
| Gestational trophoblastic disease, complete molar type | 2016 | 23 | Uterus |
| High-grade chondrosarcoma | 2016 | 24 | Right proximal leg |
| Diffuse malignant peritoneal mesothelioma, epithelioid type | 2016 | 25 | Omentum |
| Non-Hodgkin B-cell lymphoma, low-grade | 2016 | 26 | Colon |
| Myelolipoma | 2016 | 27 | Adrenal gland |
| Endometrioid borderline tumor | 2016 | 28 | Ovary |
| Papillary renal cell carcinoma, type 1 | 2016 | 29 | Kidney |
| Leiomyoma with bizarre nuclei | 2016 | 30 | Uterus |
| Urothelial carcinoma, plasmacytoid type | 2016 | 31 | Bladder |
| Angiosarcoma | 2016 | 32 | Heart |
| Anaplastic thyroid carcinoma with heterologous differentiation (leiomyosarcoma) | 2016 | 33 | Neck |
| Tubular adenoma | 2016 | 34 | Breast |
| Littoral cell angioma | 2016 | 35 | Spleen |
| Solid-pseudopapillary neoplasm | 2016 | 36 | Pancreas |
| Granular cell tumor | 2016 | 37 | Soft tissue |
| Metastatic prostatic adenocarcinoma | 2016 | 38 | Left internal iliac lymph node |
| Solitary fibrous tumor, malignant | 2016 | 39 | Neck |
| Chordoma | 2016 | 40 | Sacrum |
| Leiomyosarcoma | 2017 | 1 | Abdomen, left colon, uterus, pancreas, left kidney, and retroperitoneum |
| Burkitt lymphoma | 2017 | 2 | Colon and omentum |
| Dysgerminoma | 2017 | 3 | Ovary |
| Metaplastic carcinoma, spindle cell carcinoma type | 2017 | 4 | Breast |
| Mucinous tubular and spindle cell carcinoma | 2017 | 5 | Left kidney |
| Myxofibrosarcoma | 2017 | 6 | Soft tissue, lower extremity |
| Diffuse neurofibroma | 2017 | 7 | Breast |
| Primary sclerosing cholangitis | 2017 | 8 | Liver |
| Polymorphous adenocarcinoma | 2017 | 9 | Right masticator space mass |
| Cardiac toxoplasmosis | 2017 | 10 | Myocardium |
| Pulmonary adenocarcinoma, predominantly papillary type | 2017 | 11 | Lung |
| Adult granulosa cell tumor | 2017 | 12 | Ovary |
| Mesoblastic nephroma/congenital mesoblastic nephroma | 2017 | 13 | Right kidney |
| Cryptococcal pneumonia | 2017 | 14 | Lung |
| Leiomyosarcoma | 2017 | 15 | Bladder |
| Metastatic prostatic adenocarcinoma | 2017 | 16 | Right testis |
| Metastatic pheochromocytoma | 2017 | 17 | Liver |
| Mucinous adenocarcinoma | 2017 | 18 | Colon |
| Primary biliary cholangitis | 2017 | 19 | Liver |
| Schwannoma | 2017 | 20 | Left posterior calf |
| Acetaminophen hepatotoxicity | 2017 | 21 | Liver |
| Cardiac hemochromatosis | 2017 | 22 | Heart |
| Classical Hodgkin lymphoma, mixed cellularity subtype | 2017 | 23 | Spleen |
| Leiomyosarcoma | 2017 | 24 | Stomach |
| Malignant peripheral nerve sheath tumor, low-grade | 2017 | 25 | Mediastinum |
| Diffuse large B-cell lymphoma | 2017 | 26 | Stomach |
| Solitary fibrous tumor | 2017 | 27 | Liver |
| Pheochromocytoma | 2017 | 28 | Right kidney and retroperitoneum |
| Rhabdomyosarcoma | 2017 | 29 | Soft tissue, pelvis |
| Sarcoidosis | 2017 | 30 | Heart |
| Pseudomembranous colitis | 2017 | 31 | Colon |
| Arrhythmogenic right ventricular cardiomyopathy | 2017 | 32 | Heart |
| Pheochromocytoma | 2017 | 33 | Adrenal gland |
| Adenoid cystic carcinoma | 2017 | 34 | Right neck |
| Adenomyosis with pseudodecidual change | 2017 | 35 | Uterus |
| Familial hypertrophic cardiomyopathy | 2017 | 36 | Heart |
| Alveolar soft part sarcoma | 2017 | 37 | Left thigh |
| Oncocytoma | 2017 | 38 | Kidney |
| Steatohepatitis with cholestasis and fibrosis, alcohol related | 2017 | 39 | Liver |
| Atypical lipomatous tumor | 2017 | 40 | Chest wall |
| Serous cystadenoma | 2018 | 1 | Pancreas |
| Typical carcinoid | 2018 | 2 | Lung |
| Iatrogenic immunodeficiency-associated lymphoproliferative disorder (Epstein Barr virus (EBV) positive large B-cell lymphoma) | 2018 | 3 | Terminal ileum and ascending colon |
| Pleomorphic liposarcoma | 2018 | 4 | Neck |
| Chorangioma | 2018 | 5 | Third trimester placenta |
| Intrahepatic cholangiocarcinoma | 2018 | 6 | Liver |
| Fundic gland polyps | 2018 | 7 | Stomach |
| Pseudomembranous colitis | 2018 | 8 | Colon |
| Diffuse large B-Cell lymphoma, germinal center B-cell like | 2018 | 9 | Small bowel mesentery |
| Clear cell renal cell carcinoma | 2018 | 10 | Left kidney |
| Polycystic disease of the liver | 2018 | 11 | Liver |
| Diffuse epithelioid malignant mesothelioma | 2018 | 12 | Peritoneum |
| Castleman disease | 2018 | 13 | Mediastinum |
| Neuroblastoma, poorly-differentiated | 2018 | 14 | Posterior mediastinum |
| Aggressive angiomyxoma | 2018 | 15 | Deep soft tissue of pelvis |
| Signet ring stromal cell tumor | 2018 | 16 | Ovary |
| Epithelioid trophoblastic tumor | 2018 | 17 | Uterus |
| Adrenocortical carcinoma, oncocytic type | 2018 | 18 | Adrenal gland |
| Synovial sarcoma | 2018 | 19 | Soft tissue, left chest wall |
| Renal cell carcinoma, unclassifiable | 2018 | 20 | Kidney |
| Fibroepithelial stromal polyp | 2018 | 21 | Vulva |
| Thymoma, type AB | 2018 | 22 | Mediastinum |
| Adrenal cortical carcinoma | 2018 | 23 | Adrenal gland |
| Hereditary amyloidosis due to transthyretin mutation | 2018 | 24 | Heart |
| Mantle cell lymphoma | 2018 | 25 | Spleen |
| Intranodal palisaded myofibroblastoma | 2018 | 26 | Inguinal lymph node |
| Ganglioneuroma, mature | 2018 | 27 | Left adrenal gland |
| Islet cell tumor (pancreatic endocrine tumor) | 2018 | 28 | Pancreas |
| Pneumatosis cystoides intestinalis | 2018 | 29 | Small intestine |
| Anastomosing hemangioma | 2018 | 30 | Left kidney |
| Metastatic melanoma | 2018 | 31 | Neck |
| Lymphocytic myocarditis | 2018 | 32 | Heart |
| Primary myelofibrosis with extramedullary hematopoiesis | 2018 | 33 | Spleen |
| Dedifferentiated liposarcoma | 2018 | 34 | Deep soft tissue, retroperitoneum |
| Amnion nodosum | 2018 | 35 | Placenta |
| Invasive ductal carcinoma | 2018 | 36 | Left breast |
| Hashimoto thyroiditis | 2018 | 37 | Thyroid |
| Pancreatic neuroendocrine tumor, clear cell variant | 2018 | 38 | Pancreas |
| WHO grade 1 meningioma | 2018 | 39 | Cranial |
| Nephroblastoma (Wilms tumor) | 2018 | 40 | Kidney |
| Nephroblastoma with heterologous elements (teratoid Wilms tumor) | 2019 | 1 | Left kidney |
| Fibroma | 2019 | 2 | Left Ovary |
| Mitochondrial cardiomyopathy | 2019 | 3 | Heart |
| TFE3-associated renal cell carcinoma | 2019 | 4 | Kidney |
| Hepatocellular carcinoma | 2019 | 5 | Liver |
| Poorly differentiated squamous cell carcinoma | 2019 | 6 | Lung |
| Seminoma | 2019 | 7 | Testis |
| Well-differentiated liposarcoma | 2019 | 8 | Retroperitoneum |
| Embryonal rhabdomyosarcoma | 2019 | 9 | Uterine cervix |
| Anaplastic thyroid carcinoma | 2019 | 10 | Anterior neck |
| Epithelioid angiosarcoma | 2019 | 11 | Right Breast |
| Myxoid liposarcoma | 2019 | 12 | Right thigh |
| Well-differentiated neuroendocrine tumor | 2019 | 13 | Peripancreatic lymph node |
| Splenic marginal zone lymphoma | 2019 | 14 | Spleen |
| Myxofibrosarcoma | 2019 | 15 | Soft tissue |
| Leiomyosarcoma | 2019 | 16 | Liver |
| Invasive mucinous adenocarcinoma | 2019 | 17 | Lung |
| Well-differentiated papillary mesothelioma | 2019 | 18 | Ovary |
| Small lymphocytic lymphoma/chronic lymphocytic leukemia | 2019 | 19 | Lymph node |
| Cellular leiomyoma | 2019 | 20 | Uterus |
| Invasive lobular carcinoma | 2019 | 21 | Breast |
| Follicular dendritic cell sarcoma | 2019 | 22 | Abdomen |
| Nephroblastoma (Wilms tumor), blastema-predominant | 2019 | 23 | Left kidney |
| Benign Brenner tumor | 2019 | 24 | Ovary |
| Chronic viral hepatitis B | 2019 | 25 | Liver |
| Malignant mesothelioma, epithelioid | 2019 | 26 | Omentum |
| Malignant paraganglioma | 2019 | 27 | Retroperitoneum |
| Carcinosarcoma | 2019 | 28 | Uterus |
| Gastrointestinal stromal tumor | 2019 | 29 | Stomach |
| Thymoma, type AB | 2019 | 30 | Mediastinum |
| Cardiac amyloidosis | 2019 | 31 | Heart |
| Metastatic carcinoma with mesenchymal differentiation | 2019 | 32 | Breast |
| Poorly cohesive gastric carcinoma | 2019 | 33 | Stomach |
| Splenic diffuse red pulp B-cell lymphoma | 2019 | 34 | Spleen |
| Steatohepatitis | 2019 | 35 | Liver |
| Pulmonary sarcoidosis | 2019 | 36 | Lung |
| Carcinoid tumor | 2019 | 37 | Ovary |
| Urothelial carcinoma, invasive | 2019 | 38 | Left kidney |
| Lipoma | 2019 | 39 | Left flank |
| Diffuse large B-cell lyphoma, germinal center B-cell subtype | 2019 | 40 | Small bowel |
| High-grade (conventional) osteosarcoma | 2020 | 1 | Bone, distal femur |
| Myxoid liposarcoma | 2020 | 2 | Thigh mass |
| High-grade serous ovarian carcinoma with SET features | 2020 | 3 | Ovary |
| Metaplastic breast carcinoma with mesenchymal differentiation | 2020 | 4 | Chest wall |
| Follicular lymphoma, grade 3A | 2020 | 5 | Lymph node, right neck |
| Acinar cell carcinoma | 2020 | 6 | Pancreas |
| Salivary duct carcinoma | 2020 | 7 | Parotid gland |
| Well-Differentiated neuroendocrine tumor | 2020 | 8 | Ileum |
| Diffuse large B-cell lymphoma, not otherwise specified (DLBCL, NOS) | 2020 | 9 | Colon |
| Splenic marginal zone lymphoma | 2020 | 10 | Spleen |
| Congenital mesoblastic nephroma | 2020 | 11 | Kidney |
| Hepatocellular carcinoma | 2020 | 12 | Liver |
| Endometrioid ovarian adenocarcinoma | 2020 | 13 | Left ovary |
| Granular cell tumor | 2020 | 14 | Vulva |
| Xanthogranulomatous pyelonephritis | 2020 | 15 | Left kidney |
| Extra-adrenal paraganglioma (sympathetic paraganglioma) | 2020 | 16 | Retroperitoneum |
| Clostridium difficile colitis | 2020 | 17 | Colon |
| Poorly differentiated gastric adenocarcinoma | 2020 | 18 | Stomach |
| Metastatic endocervical adenocarcinoma | 2020 | 19 | Ovary |
| Follicular lymphoma, follicular and diffuse, low grade (grade 1-2) | 2020 | 20 | Lymph node, axilla |
| Seminoma | 2020 | 21 | Testis |
| Embryonal rhabdomyosarcoma | 2020 | 22 | Spermatic cord and testis |
| Dermatofibrosarcoma protuberans | 2020 | 23 | Arm mass |
| Desmoplastic small round cell tumor | 2020 | 24 | Intraabdominal mass |
| Inflammatory liposarcoma | 2020 | 25 | Retroperitoneum |
| Focal nodular hyperplasia | 2020 | 26 | Liver |
| Ganglioneuroblastoma | 2020 | 27 | Adrenal gland |
| Ulcerative colitis with pseudopolyposis | 2020 | 28 | Colon |
| Metastatic prostatic adenocarcinoma | 2020 | 29 | Presacral mass |
| Low-grade endometrial stromal sarcoma | 2020 | 30 | Uterus |
| Benign Brenner tumor | 2020 | 31 | Ovary |
| Metastatic teratoma, consistent with growing teratoma syndrome | 2020 | 32 | Retroperitoneum |
| Undifferentiated pleomorphic sarcoma | 2020 | 33 | Left thigh |
| Juvenile granulosa cell tumor | 2020 | 34 | Ovary |
| Neuroblastoma | 2020 | 35 | Adrenal gland |
| MiT family translocation renal cell carcinoma | 2020 | 36 | Kidney |
| Metastatic pancreatic ductal adenocarcinoma | 2020 | 37 | Ovary |
| Diffuse Large B-cell lymphoma, not otherwise specified | 2020 | 38 | Spleen |
| Crohn disease of the small intestine | 2020 | 39 | Small intestine |
| Blastomycosis | 2020 | 40 | Lung |
| Primary gastric adenocarcinoma | 2021 | 1 | Stomach |
| Solitary fibrous tumor | 2021 | 2 | Soft tissue, inguinal mass |
| Inflammatory myofibroblastic tumor | 2021 | 3 | Uterus |
| Pulmonary adenocarcinoma | 2021 | 4 | Heart |
| Myelolipoma with sickle cell disease | 2021 | 5 | Adrenal gland |
| Desmoid fibromatosis | 2021 | 6 | Retroperitoneum |
| Chronic histiocytic intervillositis | 2021 | 7 | Placenta |
| Sclerosing pneumocytoma | 2021 | 8 | Lung |
| Urothelial carcinoma, invasive | 2021 | 9 | Kidney |
| Metastatic Leydig cell tumor | 2021 | 10 | Retroperitoneal lymph node |
| Angiomyolipoma | 2021 | 11 | Kidney |
| Subcutaneous panniculitis-like T-cell lymphoma | 2021 | 12 | Soft tissue, abdominal wall |
| Hepatocellular carcinoma | 2021 | 13 | Liver |
| Solid pseudopapillary neoplasm | 2021 | 14 | Pancreas |
| Desmoid fibromatosis | 2021 | 15 | Soft tissue |
| Invasive breast carcinoma of no special type | 2021 | 16 | Breast |
| Extramedullary hematopoiesis | 2021 | 17 | Spleen |
| Low-grade endometrial stromal sarcoma | 2021 | 18 | Uterus |
| Nephroblastoma (Wilms tumor) | 2021 | 19 | Kidney |
| Calcifying fibrous tumor | 2021 | 20 | Soft tissue |
| Acute asthma exacerbation | 2021 | 21 | Lung |
| Angiosarcoma | 2021 | 22 | Breast |
| Cellular fibroma | 2021 | 23 | Ovary |
| Metastatic melanoma | 2021 | 24 | Small intestine |
| Chromophobe renal cell carcinoma | 2021 | 25 | Kidney |
| Sympathetic paraganglioma | 2021 | 26 | Mediastinum |
| Diffuse large B-cell lymphoma, germinal center B-cell type | 2021 | 27 | Right testicle |
| Splenic marginal zone lymphoma | 2021 | 28 | Spleen |
| Tubulocystic renal cell carcinoma | 2021 | 29 | Kidney |
| Coccidioidomycosis of the placenta | 2021 | 30 | Placenta |
| Acinar cell carcinoma | 2021 | 31 | Pancreas |
| Complete hydatidiform mole | 2021 | 32 | Placenta |
| Embryonal rhabdomyosarcoma, metastatic | 2021 | 33 | Liver |
| Desmoid-type fibromatosis | 2021 | 34 | Abdominal wall |
| Invasive high-grade urothelial carcinoma | 2021 | 35 | Kidney |
| High-grade serous carcinoma | 2021 | 36 | Omentum |
| Oncocytoma | 2021 | 37 | Kidney |
| Solitary fibrous tumor | 2021 | 38 | Upper back |
| Adult granulosa cell tumor | 2021 | 39 | Ovary |
| Diffuse large B-cell lymphoma (DLBCL), not otherwise specified (NOS) | 2021 | 40 | Liver |
| Adrenal cortical carcinoma | 2022 | 1 | Adrenal gland |
| Micronodular thymoma with lymphoid stroma | 2022 | 2 | Anterior mediastinum |
| Gliomatosis peritonei | 2022 | 3 | Omentum |
| Gastrointestinal stromal tumor | 2022 | 4 | Stomach |
| Hypertrophic cardiomyopathy | 2022 | 5 | Heart |
| Elastofibroma | 2022 | 6 | Posterior chest wall |
| High-grade myxofibrosarcoma | 2022 | 7 | Lower leg |
| Splenic marginal zone lymphoma | 2022 | 8 | Spleen |
| Sacrococcygeal immature teratoma | 2022 | 9 | Sacrum |
| Cytomegalovirus placentitis | 2022 | 10 | Placenta |
| Central chondrosarcoma | 2022 | 11 | Pelvis |
| IgG4-related thyroiditis | 2022 | 12 | Thyroid |
| Sertoli-Leydig cell tumor (moderately to poorly differentiated) | 2022 | 13 | Ovary |
| Acinic cell carcinoma | 2022 | 14 | Parotid gland |
| Serous cystadenoma | 2022 | 15 | Pancreas |
| Adult cystic nephroma | 2022 | 16 | Kidney |
| Nonseminomatous mixed germ cell tumor | 2022 | 17 | Scrotum |
| Leiomyoma | 2022 | 18 | Uterus |
| Smoking-related interstitial fibrosis | 2022 | 19 | Lun |
| Intramuscular myxoma | 2022 | 20 | Thigh |
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