title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 37-1997. A 59-year-old man with anorexia, weight loss, and a mediastinal mass.
mesh_terms: D000191:Actinomycetaceae / Q000302:isolation & purification; D000855:Anorexia / Q000209:etiology; D003937:Diagnosis, Differential; D004386:Duodenum / Q000382:microbiology / Q000473:pathology*; D006801:Humans; D008297:Male; D008477:Mediastinal Diseases / Q000209:etiology*; D008875:Middle Aged; D014057:Tomography, X-Ray Computed; D015431:Weight Loss; D008061:Whipple Disease / Q000150:complications / Q000175:diagnosis* / Q000382:microbiology