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KMID : 0357920100440040448
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Korean Journal of Pathology
2010 Volume.44 No. 4 p.448 ~ p.452
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Fine Needle Aspiration Cytology of Gastric Glomus Tumor
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Lee Dong-Geun
Jang Kyu-Yun
Chung Myung-Ja
Moon Woo-Sung
Kang Myoung-Jae
Park Ho-Sung
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Abstract
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Glomus tumors of the stomach are rare and are usually found as a solitary, intramural lesion. Here, we report a case of a gastric glomus tumor in a 60-year-old woman diagnosed by endoscopic ultrasound-guided fine-needle aspiration cytology. Endoscopic ultrasound revealed a 4 × 3 cm-sized, round, isoechoic mass at the fourth layer of the gastric wall. Smears revealed cohesive clusters of small, uniform, round to polygonal cells with scant cytoplasm and round, hyperchromatic nuclei with homogeneous chromatin. Immunocytochemistry by liquid-based cytology was positive for smooth muscle actin. The cytologic diagnosis of a glomus tumor was confirmed by a specimen from the laparoscopic resection. Although the cytologic features of glomus tumors are quite distinctive, an immunocytochemical stain from a liquid-based cytology preparation can further help to ascertain the diagnosis.
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KEYWORD
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Stomach neoplasms, Glomus tumor, Endosonography, Biopsy, fine-needle, Cytology
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