I. Pathophysiology

  1. Mass of hair, fibers, and other indigestible materials
  2. Found in Stomach or Intestines

II. Symptoms

  1. Nausea or Vomiting
  2. Constipation alternating with Diarrhea
  3. Epigastric Pain and bloating

III. Signs

  1. Palpable upper abdominal mass

IV. Diagnosis

  1. Upper GI
    1. Displacement of barium by mass
    2. May show radiopaque materials in Bezoar
  2. Endoscopy (EGD)
    1. Mass of hair, vegetable fibers, seeds and materials

Images: Related links to external sites (from Google)

Ontology: Bezoars (C0005332)

Definition (MSH) Concretions of swallowed hair, fruit or vegetable fibers, or similar substances found in the alimentary canal.
Concepts Substance (T167)
MSH D001630
SnomedCT 50568007
English Bezoar, NOS, Bezoars [Disease/Finding], bezoars, bezoar, Bezoar, Bezoar (morphologic abnormality), Bezoars
Swedish Besoar
Czech žaludeční kámen, bezoáry
Finnish Besoaari
Russian TRIKHOBEZOARY, BEZOARY, VOLOSIANAIA OPUKHOL', VOLOSIANYE SHARY, БЕЗОАРЫ, ВОЛОСЯНАЯ ОПУХОЛЬ, ВОЛОСЯНЫЕ ШАРЫ, ТРИХОБЕЗОАРЫ
Polish Kamienie jelitowe włosiane, Kamienie jelitowe roślinne, Bezoary
Spanish bezoar (anomalía morfológica), bezoar, Bezoares
French Bézoards, Phytobézoards
German Bezoare
Italian Bezoarii
Dutch Bezoar
Portuguese Bezoares