title: Ultrasonic appearance of abdominal lymph nodes in a case of Whipple's disease.
mesh_terms: D000005:Abdomen; D000008:Abdominal Neoplasms / Q000175:diagnosis; D000328:Adult; D003951:Diagnostic Errors; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology; D008223:Lymphoma / Q000175:diagnosis; D008297:Male; D014463:Ultrasonography; D008061:Whipple Disease / Q000175:diagnosis* / Q000473:pathology