Dapsone, a potent antiparasitic and anti-inflammatory compound, is mainly used in the treatment of leprosy and a variety of blistering skin diseases. It may cause a severe adverse drug reaction with multiorgan involvement known as dapsone hypersensitivity syndrome. We report an unusual case of dapsone hypersensitivity, manifesting as bone marrow suppression and peripheral pancytopenia in addition to fever, rash, and hepatosplenomegaly.

Anticentromere antibodies have been associated with peripheral vascular occlusive disease, but then it is mostly accompanied by sclerodactyly in the context of a connective tissue disorder. We report a case of digital gangrene in a 75 year old lady with no other associations except positive anticentromere antibodies.

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