DLBCL with Aberrant CD2 Expression

Lessons From The Friday Unknowns

Histologic sections show a lymph node that is almost completely replaced by lymphoma.

The neoplasm also extends into perinodal adipose tissue. The neoplasm has a diffuse pattern and there are multiple small foci of coagulative necrosis. The neoplastic cells are large with a relatively abundant eosinophilic cytoplasm and the…