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We report two young girls with gastric trichobezoars in whom ultrasound, computed tomography and upper gastrointestinal contrast studies were done. Since sonography and, less frequently, computed tomography are usually the first studies obtained in a child with an abdominal mass it is important to recognize the rather distinctive appearance of a trichobezoar on these images.

Trigonocephaly is a relatively rare deformity of the skull characterized by triangular prominence of the bones of the forehead and orbital hypotelorism. Long-term results in a group of patients with clinical and radiographic follow-up are analyzed, the radiographic findings reviewed, and possible etiologies discussed. The etiologic relationship between premature synostosis of the metopic suture and trigonocephaly is questioned. Uncomplicated trigonocephaly is a self-limited, self-correcting deformity, and a normal cosmetic appearance develops without surgical treatment. Surgical craniectomy as treatment for uncomplicated trigonocephaly is not indicated on the basis of the authors' experience.

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