- Endoscopic Ultrasound-Guided Fine Needle Aspiration Cytology in the Diagnosis of a Gastrointestinal Stromal Tumor of the Stomach: A Case Report.
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Lucia Kim, Hyung Gil Kim, Young Chae Chu, In Suh Park, Suk Jin Choi, Jee Young Han, Sun Hee Kim, Don Haeng Lee, Joon Mee Kim
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Korean J Cytopathol. 2008;19(2):178-182.
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DOI: https://doi.org/10.3338/kjc.2008.19.2.178
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 Abstract
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- We report here a case of a gastrointestinal stromal tumor (GIST) in the stomach that was diagnosed by endoscopic ultrasound-guided fine needle aspiration cytology (EUS-FNA).
A 67 year old male patient underwent regular check-ups for five years due to the presence of a submucosal tumor that was found in the fundus of the stomach incidentally. EUS-FNA was performed to evaluate the tumor, which had increased in size from 1cm to 2.8cm. A cytologic smear revealed cohesive sheets or clusters of spindle cells with elongated nuclei.
Immunohistochemical staining revealed a strong positive reaction for c-kit and CD34, without any reaction for smooth muscle actin and Ki-67. Therefore, a diagnosis of GIST was made.
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