WSI23-45-Case-9

Sequence	Case	Clinical history	Diagnosis
1	WSI23-45-Case-1 WSI23-45-Case-1	67 year old male with small papillary tumors in penile urethra s/p TURP for bladder outlet obstruction 67 year old male with small papillary tumors in penile urethra s/p TURP for bladder outlet obstruction	Squamous papilloma with reactive atypia Squamous papilloma with reactive atypia
2	WSI23-45-Case-2 WSI23-45-Case-2	28 year old female with vaginal mass 28 year old female with vaginal mass	Pigmented PEComa. + HMB45, +Melan A, +Des. - S100, -SMA Pigmented PEComa. + HMB45, +Melan A, +Des. - S100, -SMA
3	WSI23-45-Case-3 WSI23-45-Case-3	45 year old male with history of seminoma 12 years prior as well as phosphaturic mesenchymal tumor of the femur now presents with a right retroperitoneal mass 45 year old male with history of seminoma 12 years prior as well as phosphaturic mesenchymal tumor of the femur now presents with a right retroperitoneal mass	Anastomosing hemangioma (2.9 cm) of the genitourinary system Anastomosing hemangioma (2.9 cm) of the genitourinary system
4	WSI23-45-Case-4 WSI23-45-Case-4	55 year old female with h/o carcinosarcoma of the uterus, now with pelvic clot versus tumor 55 year old female with h/o carcinosarcoma of the uterus, now with pelvic clot versus tumor	High grade malignant epithelioid neoplasm c/w involvement by the patient's known carcinosarcoma. Focal p53+. Focal CK7+ High grade malignant epithelioid neoplasm c/w involvement by the patient's known carcinosarcoma. Focal p53+. Focal CK7+
5	WSI23-45-Case-5 WSI23-45-Case-5	71 year old male with 9.5 cm right posterior chest wall mass. Also with 10 cm mediastinum mass 71 year old male with 9.5 cm right posterior chest wall mass. Also with 10 cm mediastinum mass	Eosinophilic and clear cell malignant neoplasm with focal papillary architecture c/w metastatic renal cell carcinoma, clear cell type. + CD10, + PAX8, + RCC Eosinophilic and clear cell malignant neoplasm with focal papillary architecture c/w metastatic renal cell carcinoma, clear cell type. + CD10, + PAX8, + RCC
6	WSI23-45-Case-6 WSI23-45-Case-6	59 year old male s/p inguinal hernia repair. Noticed left groin mass. By PET, enlarged, bulky, hypermetabolic nodes it the left external iliac distribution. No hx of cutaneous lesions or other carcinoma. 59 year old male s/p inguinal hernia repair. Noticed left groin mass. By PET, enlarged, bulky, hypermetabolic nodes it the left external iliac distribution. No hx of cutaneous lesions or other carcinoma.	Non-kertinizing HPV-related squamous cell carcinoma with comedo-type necrosis metastatic to a lymph node (7.0 cm) with other positive nodes. Primary differential is genital vs oropharyngeal Non-kertinizing HPV-related squamous cell carcinoma with comedo-type necrosis metastatic to a lymph node (7.0 cm) with other positive nodes. Primary differential is genital vs oropharyngeal
7	WSI23-45-Case-7 WSI23-45-Case-7	30 year old male with an enlarging left epididymal mass 30 year old male with an enlarging left epididymal mass	Papillary cyst adenoma with clear cell features. PAX8+, RCC-. Papillary cyst adenoma with clear cell features. PAX8+, RCC-.
8	WSI23-45-Case-8 WSI23-45-Case-8	67 year old male with small papillary tumors in penile urethra s/p TURP for bladder outlet obstruction. 67 year old male with small papillary tumors in penile urethra s/p TURP for bladder outlet obstruction.	Squamous papilloma with reactive atypia. Squamous papilloma with reactive atypia.
9	WSI23-45-Case-9 WSI23-45-Case-9	19 year old male with left testicular mass. 19 year old male with left testicular mass.	Malignant mixed germ cell tumor 10.1 cm. 80% yolk sac tumor. 20% teratoma. + LVI pT2 NX M16 Malignant mixed germ cell tumor 10.1 cm. 80% yolk sac tumor. 20% teratoma. + LVI pT2 NX M16
11	WSI23-45-Case-11 WSI23-45-Case-11	18 year old hockey player with abdominal discomfort and CT scan to r/o colitis found to have 9 mm right-sided testis mass. 18 year old hockey player with abdominal discomfort and CT scan to r/o colitis found to have 9 mm right-sided testis mass.	Epithelioid hemangioma (0.9 cm). Epithelioid hemangioma (0.9 cm).

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