"acantholysis---seen in epidermis , &pemphigus" "condyloma acuminata---org.-HPV, Rx podophyllin -dermatophyte infec.-civatte bodies seen
 "donovanosis---pseudobubes , calmmatobacterium granulomatis"---dapsone---dose=1-2mg/kg ,commenest side efeect-hemolytic anemia" epidermolysis bullosa→genetic cause
clofazimine→ commonest s/e hyperpigmentation