© Angel Fernandez Flores, MD, PhD zoom balanitis

Zoom balanitis



Plasma cell balanitis.


Clinica presentation

Single red plaque on the glans.



Lichenoid inflammatory infiltrate, rich in plasma cells.

Dilated blood vessels with hemosiderin deposits.

The epidermis can be thin.




Nodular variant (plasmoacanthoma): verrucous epithelial hyperplasia.


Main differentials

Queyrat erythroplasia: dysplasia of the epithelium.

Syphilis: Treponema +. Perivascular location of the infiltrate.

Plasmocytoma: monoclonal infiltrate of plasma cells.


© Angel Fernandez Flores