Hair balls.
Salient features:
Unusual
Virtually exclusively found in young female phychiatric patients
Caused by pathological ingestion of hair.
Presentation is often suggestive of Ulceration, GI bleeding, perforation or Obstruction.
Endoscopy is diagnostic, Plain x-rays may help.
Treatment is removal: endoscopically or sometimes open surgery.
Other similar condition is Phytobezoars which are made of vegetable material and found principally in patients with gastric stasis.
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