A 58-year-old man presents with a 2-month history of erythematous, scaly plaques over his trunk and…
A 58-year-old man presents with a 2-month history of erythematous, scaly plaques over his trunk and… Show more A 58-year-old man presents with a 2-month history of erythematous, scaly plaques over his trunk and upper extremities. Biopsy of these lesions reveals an atypical lymphocytic infiltrate in the dermis, which extends into the overlying epidermis. Immunohistochemical staining demonstrates positive staining for CD4. Which of the following is the most likely diagnosis? Antiphospholipid antibody syndrome Disseminated intravascular coagulation Hemolytic-uremic syndrome Idiopathic thrombocytopenic purpura Thrombotic thrombocytopenic purpura • Show less
