Vaughhan, E. D. Jr., Sawyers, J. L., Scott, H. W. Jr. 1968. The Rapunzel syndrome. An unusal complication of intestinal bezoar. Surgery 63, 339-343.

Some patients with trichotillomania ingest whole hairs or parts of hairs [trichophagia], leading in some cases to the development of trichobezoars. Surgical intervention is indicated.