Histopathology:

MACROSCOPIC DESCRIPTION: "Parietal lobe tumour": The specimen consists of a pale tan haemorrhagic nodule 16x10x9mm. The cut surface is heterogeneous with yellow and cream colour. A1.

MICROSCOPIC DESCRIPTION: The sections show features of metastatic poorly differentiated adenocarcinoma. The tumour forms solid nests, some containing occasional glandular lumina. The tumour cells have enlarged pleomorphic nuclei, prominent nucleoli and moderate amounts of pale cytoplasm. No evidence of lymphovascular invasion is seen. The tumour cells are CK7, TTF-1 and Napsin-A positive, in keeping with lung primary.

DIAGNOSIS: Metastatic poorly differentiated adenocarcinoma, in keeping with lung primary.

Loading...