McCracken S, Jongeward R, Silver T M, Jafri S Z
Radiology. 1986 Oct;161(1):123-4. doi: 10.1148/radiology.161.1.3532177.
Ultrasonographic diagnosis of trichobezoar may be relatively specific. A broad band of high-amplitude echoes can be seen superficially, with complete sonic shadowing behind. The authors describe a patient in whom the diagnosis was made prior to conventional barium studies and in whom the question of trichobezoar had not been raised clinically.
