Case of the Week
- Details
Case History
A 35-year-old male presents with scrotal pain and a 1-cm testis mass is identified on ultrasound. A frozen section is performed. What is the diagnosis?
- Leydig Cell Tumor
- Seminoma
- Embryonal Carcinoma
- Spermatocytic Tumor
- Details
Case History
A 71-year-old female presents to an ENT for a soft palate mass. A biopsy is performed.
This neoplasm most often arises in the:
- Parotid gland
- Submandibular gland
- Sublingual gland
- Minor salivary glands
- Details
Case History
61-year-old female with vaginal wall mass.
Answer choices:
- Fibroepithelial polyp
- Superficial myofibroblastoma
- Keloid
- Cellular angiofibroma
- Details
Case History
A 39-year-old female with abnormal vaginal bleeding, history of abnormal Pap smears, and LEEP for HSIL. The patient had a full term delivery two years ago. Hysterectomy was performed. Section of the lower uterine segment is illustrated.
- Intermediate trophoblastic tumor (epithelioid trophoblastic tumor)
- Squamous cell carcinoma
- Placental site nodule
- Exaggerated placental site
- Details
Case History
A 61-year-old man with a 6-month history of right parotid mass and lymphadenopathy.
- High-grade salivary duct carcinoma
- Oncocytic mucoepidermoid carcinoma
- Poorly differentiated squamous carcinoma
- Mammary analogue secretory carcinoma
- Details
Case History
A 60-year-old woman presented with a small, irregular breast mass on imaging. A biopsy was performed.
- Invasive ductal carcinoma, grade 1
- Invasive tubular carcinoma, grade 1
- Radial scar
- Sclerosing adenosis
- Details
Case History
A 75-year-old woman with suspected pancreatic NET undergoes a Whipple. The morphology of the tumor is seen in Fig A-D. A synaptophysin is performed (Fig E). What additional IHC profile can be expected in this tumor?
- Nuclear beta-catenin (+), CK (-)
- Chromogranin (+), Ki67 (>2% per HPF)
- Trypsin (+), BCL10 (+)
- Trypsin (+), Nuclear beta-catenin (+ in squamoid nests)
- Details
Case History
53-year-old female with uterine mass.
What is the diagnosis?
A. Endometrial stromal sarcoma, low grade
B. Epithelioid leiomyoma
C. Adenosarcoma
D. PEComa
- Details
Case History
A 73-year-old female with a left parotid mass. Fine needle aspirate. What is the best cytomorphologic diagnosis?
- Pleomorphic adenoma
- Adenoid cystic carcinoma
- High-grade mucoepidermoid carcinoma
- Mammary analogue secretory carcinoma
- Details
Case History
The patient is a 29 year-old female with clinical history of shortness of breath and fevers. Routine imaging studies showed multiple pleural nodules. CBC and routine chemistries are within normal limits with mild increase of LDH. Open biopsy of the nodules obtained.
What is the diagnosis?
- Mesothelioma
- Germ cell tumor
- Anaplastic large cell lymphoma
- Thymoma
