Pathology Categories

Tumor composed of polygonal cells with abundant, glassy cytoplasm to smaller, more elongate elements within a variably fibrillated matrix. Giant pyramidal cells with a ganglionic appearance.

Positive markers: Mic2 , NSE
GFAP: non-specific
Ki-67: 5%
Negative: CK, Vimentin, S-100, HMB-45, PLAP, Chromogranin, MOC-31, WT-1, CEA, EMA, Desmin, HepPar-1, CD-31, CD-34, CD-10.

I add Lung tum

24 y/o female with right lower extremity swelling and tingling sensation for 6 months. MRI was significant for an enhancing hemorrhagic mass at T12-L1.

What is your diagnosis??

65-year-old female with ataxic gait and fell in several weeks ago.

A skull centered 5 cm.

55-year-old female with headache and speech difficulties.

MRI findings: Right frontal brain mass (see photo).

Procedure: Craniotomy with tumor resection.

Intraoperative squash preparation: Se