title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 18-1978.
mesh_terms: D002675:Child, Preschool; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D009336:Necrosis; D012373:Rocky Mountain Spotted Fever / Q000150:complications / Q000175:diagnosis / Q000473:pathology*; D012772:Shock, Septic / Q000209:etiology; D013737:Testis / Q000098:blood supply; D014657:Vasculitis / Q000209:etiology / Q000473:pathology