Benign mucous membrane pemphigoid

Characteristic features:

• autoimmune antibodies attack antigen at a lower level of lamina lucida of basement membrane

• more common in females

• desquamative gingivitis

• vesiculobullous lesions

• indirect immunofluorescent test is oftenly inconclusive

• eye lesions: photophobia, epiphora, symblepharon in late stages

• heals by scar

benign MMP

Differential diagnosis:

• erosive lichen planus

erosive LP

• pemphigus vulgaris

pemphigus vulgaris

• systemic lupus erythematosus

SLE