10 March 2021: Images of the Week

Here is a selection of new images from our free, online textbook:

Liver & intrahepatic bile ducts > Chronic antibody mediated rejection

H&E stained section at 20x demonstrating a predominantly mononuclear portal inflammatory infiltrate with spillage into adjacent hepatic parenchyma.

Contributed by Mohamed El Hag, M.D., M.S.

Liver & intrahepatic bile ducts > Hepatoblastoma

Hepatoblastoma, SCUD pattern, with siderophages (secondary to treatment) (H&E 200x).

Contributed by Rui Caetano Oliveira, M.D. and Maria Augusta Cipriano, M.D.

Lung > Minimally invasive adenocarcinoma

Noninvasive lepidic adenocarcinoma (left) juxtaposed with adjacent uninvolved lung parenchyma (right). The lepidic adenocarcinoma is characterized by thickened alveolar septa lined by atypical overlapping cuboidal cells.

Contributed by Jonathan Keow, M.D., Ph.D.

Ovary > Serous tumors > Serous borderline tumor

Inked cyst wall lined by exuberant solid growth of papillary grape-like excrescences.

Contributed by Aarti Sharma, M.D. and Ricardo R. Lastra, M.D.

Placenta > Complete hydatidiform mole

Haphazard circumferential proliferation of cytotrophoblasts and syncytiotrophoblasts is seen around a club shaped villus in this image of a complete mole. Some of the nuclei show considerable atypia and mitoses.

Contributed by Rachelle Mendoza, M.D. and Raavi Gupta, M.D.

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