Sweet syndrome and disseminated Mycobacterium tuberculosis infection

Sweet syndrome (SS) is an acute dermal neutrophilic dermatosis characterized by the abrupt onset of painful erythematous pseudovesicular papules, plaques or nodules on the skin [1]. Fever, leukocytosis and elevated C-reactive protein levels often accompany these skin lesions. Eye, joint or muscle involvement may also occur. Detection of a dense neutrophilic cell infiltrate without evidence of leukocytoclastic vasculitis on skin biopsy is one of the two major diagnostic criteria for SS [2]. Three [...]