title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 19-1990. A 12-year-old boy with a long travel history and a hepatic mass.
mesh_terms: D002648:Child; D003937:Diagnosis, Differential; D006801:Humans; D008101:Liver Abscess, Amebic / Q000175:diagnosis; D008113:Liver Neoplasms / Q000175:diagnosis / Q000473:pathology*; D008297:Male; D008637:Mesenchymoma / Q000175:diagnosis / Q000473:pathology*