Abstract
In this case we could recognize yellow colored tumor in the posterior wall of middle thoracic esophagus and tumor shows steep rise covered with normal epithelium and we could also recognize depression area in the central part of the tumor with white light endoscopy. Using NBI, we could recognize IPCL with regular shape showing surface epithelium was normal. EUS also showed that the tumor was recognized as low echoic lesion and tumor was arised from second and third layer of seven layers. So, we diagnosed as granular cell tumor. And we decided to perform endoscopic resection. From pathological finding, we could recognize fine granule inside large cytoplasm and the tumor was positive for S-100 immunostaining. So, our final pathological diagnosis was also granular cell tumor.
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Yakabi, S., Yoshio, T. (2020). Esophageal Benign Tumor. In: Fujisaki, J. (eds) Endoscopic Treatment Strategy for Upper GI Tract Neoplasms. Springer, Singapore. https://doi.org/10.1007/978-981-32-9737-1_3
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DOI: https://doi.org/10.1007/978-981-32-9737-1_3
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