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A Case of Myoepithelial Hamartoma: Morphological Variation Supported by OCT4 Expression
Takehiro Tanaka1, Kenji Nishida2, Masaya Iwamuro3
1Department of Pathology, Okayama University, Graduate School of Medicine, Dentistry, and Pharmaceutical Science, Okayama, Japan.
Abstract:
In this report, we describe a patient with myoepithelial hamartoma, which is regarded as synonymous with adenomyosis and heterotopic pancreas. Endoscopy revealed a submucosal tumor in the antrum of the stomach. Subsequently, distal gastrectomy with Roux-en-Y reconstruction was performed. Histological findings of adenomyomatous lesion and heterotopic pancreatic tissue were observed in this lesion. The distribution of OCT4, which is a pluripotency marker, varied in each part.
