text: Electroretinogram is used for ophthalmologic evaluation.  Screening esophagogastroduodenoscopy can be used to diagnose varices.  Similarly upper GI endoscopy can aid in the diagnosis of gastroesophageal reflux.
option_0: Alstrom syndrome other imaging findings
option_1: Alstrom syndrome other diagnostic studies
option_2: Autoimmune polyendocrine syndrome other imaging findings
option_3: Paget-Schroetter disease other diagnostic studies
option_4: Pott's disease other diagnostic studies
option_5: 17-beta-hydroxysteroid dehydrogenase deficiency other imaging findings
option_6: Hamman-Rich syndrome other diagnostic studies
option_7: Waldenström's macroglobulinemia other imaging findings