Clinical Endoscopy

Case Reports

A rare case of esophageal mucoepidermoid carcinoma successfully treated via endoscopic submucosal dissection: So Eun Jeun, Kyung Bin Kim, Bong Eun Lee, Gwang Ha Kim, Moon Won Lee, Dong Chan Joo; Clin Endosc 2024;57(5):683-687. Published online June 18, 2024; DOI: https://doi.org/10.5946/ce.2024.051

Abstract PDF PubReader ePub: Esophageal mucoepidermoid carcinoma (EMEC) is a special subtype of esophageal malignancy, accounting for less than 1% of all cases of primary esophageal carcinoma. Pathologically, it consists of a mixture of adenocarcinoma and squamous cell carcinoma with mucin-secreting cells. Special staining for mucicarmine helps to diagnose EMEC. We present a rare case of EMEC successfully treated via endoscopic submucosal dissection (ESD). A 63-year-old man was referred to our tertiary hospital. On esophagogastroduodenoscopy, a 6-mm-sized subtle reddish depressed lesion was identified in the mid-esophagus. Diagnostic ESD was performed with a high suspicion of carcinoma. Histopathologic findings were consistent with EMEC which was confined to the lamina propria without lymphatic invasion. We plan to do a careful follow-up without administering adjuvant chemotherapy or radiotherapy. Due to the small volume of the lesion, establishing a diagnosis was difficult through forceps biopsy alone. However, by using ESD, we could confirm and successfully treat a rare case of early-stage EMEC.

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Primary Gastric Small Cell Carcinoma: A Case Identified as a Large Subepithelial Tumor from Invisible State in 6 Months: Yun Im Lee, Hong Kil Jeon, Jae Wook Im, Sang Yu Oh, Kyung Bin Kim, Byunggyu Kim; Clin Endosc 2019;52(1):76-79. Published online July 6, 2018; DOI: https://doi.org/10.5946/ce.2018.062

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Primary gastric small cell carcinoma (GSCC) is one of the gastroenteropancreatic neuroendocrine tumors. It is a rare cancer with a very aggressive behavior and a poor prognosis because of the high rate of metastases. It is usually found in far advanced stage. We experienced a case of GSCC which had developed into a large subepithelial tumor (SET) from invisible state in a short period. A 65-year-old man consulted our hospital because of early gastric cancer. He underwent endoscopic submucosal dissection for the early gastric cancer at high body posterior wall. After 6 months, the follow-up endoscopy showed a large newly developed SET-like lesion with central ulceration at the gastric cardia. Endoscopic biopsy revealed GSCC. Total gastrectomy was performed. One out of the 26 perigastric lymph nodes had a metastasis. He received 6 cycles of adjuvant chemotherapy with etoposide and cisplatin. He is still in good health 12 months after operation.

Citations

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Metastatic Small Cell Carcinoma of the Stomach
Mirac Gunay, Celia Leone, Oksana Albayati, Abdalla Mohamed, Nnaemeka Anyadike
ACG Case Reports Journal.2024; 11(10): e01540. CrossRef
Lysyl oxidase and hypoxia-inducible factor 1α: biomarkers of gastric cancer
Ya-Lin Han, Li Chen, Rui Qin, Guan-Qing Wang, Xiao-Hua Lin, Guang-Hai Dai
World Journal of Gastroenterology.2019; 25(15): 1828. CrossRef

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