ALK-Negative ALCL

Siba El Hussein, MD
3 min readSep 18, 2022

Lessons from the Friday Unknowns

Histologic sections show fragments of lymph node involved by lymphoma. The lymphoma shows a sinusoidal infiltration pattern, and is composed of large pleomorphic cells, with irregular nuclear contours, open chromatin, visible nucleoli, and variable amounts of eosinophilic cytoplasm.

Siba El Hussein, MD

Hematopathology | Cytopathology | Molecular pathology | Digital pathology | Data science | Machine learning