MEETING No. 44 - JULY 6th, 2002 - MANTUA HOSPITAL

Case 2
Case 3
Case 4
Case 5
Case 6
Case 7

Case 1


"PAROTID MASS"
C. GALLI - Niguarda Hospital - Milano
(Macroscopical pictures by dr. Faravelli)

Clinical history: a 48y.o.man presents with a 3cm, palpable nodule of the left parotid.
A FNA shows mainly lymphoid cells and some clusters of epithelial cells with no evidence of atypia (pict. 1 - pict. 2).
The conclusion is of a benign lesion not further specified. The lesion is then surgically removed.
Microscopical description: benign adenomatous proliferation with lymphoid stroma with germinal centre (pict. 3 - pict. 4 - pict. 5).
The adenomatous component consists of ductal structures with prominent squamous differentiation (pict. 6 - pict. 7) and myoepithelial cells (pict. 8) at the periphery of the epithelial structures. No foci of sebaceous differentiation are noted.

Diagnosis

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

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