Adenocarcinoma Arising from a Gastric Duplication Cyst | Zendy

Brian Chan | Zendy; Martin Hyrcza | Zendy; Jennifer Ramsay | Zendy; Frances Tse | Zendy

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Adenocarcinoma Arising from a Gastric Duplication Cyst

Author(s) -

Brian Chan,

Martin Hyrcza,

Jennifer Ramsay,

Frances Tse

Publication year - 2018

Publication title -

acg case reports journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.112

H-Index - 4

ISSN - 2326-3253

DOI - 10.14309/crj.2018.42

Subject(s) - medicine , endoscopic ultrasound , cyst , adenocarcinoma , gene duplication , foregut , radiology , cancer , anatomy , biochemistry , chemistry , gene

Gastric duplication cysts are rare congenital anomalies, and malignant transformation has only been reported in 11 cases. A healthy 57-year-old woman presented with abdominal discomfort, and computed tomography revealed a 5.8 × 6.6 × 8.2 cm mass at the gastric fundus. On endoscopic ultrasound, the mass was mostly hypoechoic with anechoic cystic cavities arising from the submucosal layer. Fine-needle aspiration was suspicious for adenocarcinoma. Surgical pathology confirmed high-grade adenocarcinoma, clear cell cytology arising from a foregut duplication cyst. Endoscopic ultrasound is underutilized in the evaluation duplication cysts and should be considered in routine workup.

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