MEETING No 47 HELD ON NOVEMBER 13th, 2002 AT THE SAN RAFFAELE HOSPITAL - MILAN

Case 1
Case 2
Case 3
Case 4
Case 5
Case 6

Case 1


"ENDOSCOPIC COLON BIOPSY"
C. GALLI – Niguarda Hospital - Milano
Pictures by dr. Faravelli)

Clinical history: A 70y.o. man presents with colitis of unknown nature. A colonoscopy is performed.
Microscopical description: one of the two biopsy fragments shows a marked active and erosive inflammation with regenerative hyperplasia (pict. 1) and granulation tissue (pict. 2).
There are also isolated large atypical cells with relatively large cytoplasm and irregular nuclei (pict. 3 - pict. 4), with intensely eosinophilic nucleoli or a large vacuole (pict. 5 - pict. 6 - pict. 7 - pict. 8).
These cells are negative for Cytokeratin and positive for CMV probe (pict. 9 - pict. 10).

Diagnosis

pict. 1	pict. 2
pict. 3	pict. 4
pict. 5	pict. 6
pict. 7	pict. 8
pict. 9	pict. 10

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