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.
Alstrom syndrome other imaging findings
Alstrom syndrome other diagnostic studies
Autoimmune polyendocrine syndrome other imaging findings
Paget-Schroetter disease other diagnostic studies
Pott's disease other diagnostic studies
17-beta-hydroxysteroid dehydrogenase deficiency other imaging findings
Hamman-Rich syndrome other diagnostic studies
Waldenström's macroglobulinemia other imaging findings