• Etiology:
    — Trichobezoar = hair
    — Phytobezoar = indigestible plant or vegetable material
    — Lactobezoar = milk curd
  • Imaging: large fixed filling defect in stomach

Cases of Bezoar

AXR and Upper GI of trichobezoar
AXR AP (left) shows radio-opaque material filling and distending the midline stomach which is displacing the transverse colon inferiorly. AP image from an upper GI exam (right) shows a thin coat of barium outlining a large cast of material within the distended stomach. Endoscopy showed the stomach to be full of hair.