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Case Reports
. 2007 Nov;42(11):E11-2.
doi: 10.1016/j.jpedsurg.2007.07.050.

Adenomyoma of the stomach mimicking infantile hypertrophic pyloric stenosis

Junji Takeyama  1 , Tomoyuki Sato, Hiromu Tanaka, Masaki Nio
Affiliations
Case Reports

Adenomyoma of the stomach mimicking infantile hypertrophic pyloric stenosis

Junji Takeyama et al. J Pediatr Surg. 2007 Nov.

Abstract

We report a case of gastric adenomyoma in a 1-month-old girl. This patient presented with gastric outlet obstruction simulating infantile hypertrophic pyloric stenosis. Histologic examination of the excised specimen showed irregularly arranged glands and interlacing smooth muscle bundles surrounding the glandular elements. We suggest that this lesion is not just heterotopia, but hamartoma composed of abnormal mixture of endoderm-derived epithelial component and mesoderm-derived smooth muscle.

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