[Histoid leprosy with erythema nodosum leprosum].

Histoid leprosy is a particular variant of lepromatous leprosy presenting as cutaneous or subcutaneous nodular and/or plaque-like lesions arising form apparently normal skin. It is characterized histologically by spindle-shaped histiocytes in interlacing bundles and whorls, containing numerous intact and rod-shaped Mycobacterium leprae. It can occur de novo or secondary in patients treated for a long course by dapsone alone.

[Neurological feature of Mediterranean spotted fever: a study of four cases].

Background: Rickettsia conorii is the etiologic agent of Mediterranean spotted fever that is endemic in Mediterranean.

Exegesis: We report four cases of serious form of Mediterranean spotted fever with neurological feature. Two of them 56 and 62 years old had meningoencephalitis.