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lesson: sneaky glands with prominent nucleoli with adjacent big glands show similar cytomorphology; you might want to consider everything...

No nucleoli but relative rigid lumen with some dirty secretion Case credit: Dong Ren, MD UC Irvine

Only POLE shows clearly favorable survival compared to copy-number high (TP53) group FIGO 2023 for endometrial cancer Aggressive...

Coexpression of S100 and CD34 by immunohistochemistry is the key. These tumors exhibit a broad range of morphologies and histological...

If diagnosis of malignancy or ‘ at least borderline ’ is made at FS, surgical staging can be performed immediately, averting a second...

A 40-year-old women with a 4.5 cm ovary mass. Here is the frozen: How you would call the frozen? Which big category? Answer The correct...

A list of the top ddx:

A 63-year-old female with a 3.2 cm mass at left breast. What's the diagnosis? A: Invasive ductal carcinoma B: Invasive lobular carcinoma...

A 60-year-old man with obstructive jaundice. A Bile duct biopsy was performed: What's your diagnosis? A: Stent effect and reactive atypia...

ER EMA+; INI1 loss

Credit: Dr. Ren Dong from UC Irvine RCCFMS is short for renal cell carcinoma with fibromyomatous stroma. The top ddx are clear cell RCC...

For flat lesion, dysplasia is not well-recognised now; either normal/hyperplasia versus CIS. A diagnosis of dysplasia needs comment: An...

A painless 3 cm mandibular mass was found in a 30-year-old male. What is the diagnosis? A: Fibrous dysplasia B: Osteoblastoma C: Osteoid...

A 25-year-old female presented with oral progestin use and found to have a large cervical polyp. What is the diagnosis? A: endometrioid...

The diagnostic line example is: -Atypical mucinous glandular proliferation (see comment). COMMENT : Sections show crowded glands and...

A list of sarcoma that can met to lymph node is below: clear cell sarcoma, angiosarcoma, epithelioid sarcoma, rhabdomyosarcoma, and...

A helpful clue for serous morphology is the irregular luminal border (micropapillae or tuftings of cells). In this example, the...

A 70-year-old male was found to have a T3 lytic lesion. What is a panel of stain you will order for further work-up? One particular stain...