There is a diffuse, painless swelling of the lip. The adjoining soft tissues are normal but may appear erythematous sometimes.
Scaling fissuring, vesicles and pustules are less common features.
Melkersson – Rosenthal syndrome: A triad consisting of Cheilitis granulomatosa facial paralysis and scrotal tongue is known as Melkersson – Rosenthal syndrome.
There is a focal noncasseating granuloma formation. It has many epitheloid cells and Langhans type of giant cells.
The vascular channels are surrounded by an inflammatory infiltrate consisting of lymphocytes plasma cells and histiocytes.
No definitive treatment.
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