Case Report: A rare case of gastric cardia bronchogenic cyst: diagnostic challenges and EUS findings with elevated cyst-fluid tumor markers - Takeaways - MDSpire

Case Report: A rare case of gastric cardia bronchogenic cyst: diagnostic challenges and EUS findings with elevated cyst-fluid tumor markers

  • By

  • Jun Huang

  • Qinfang Zheng

  • Nan Yi

  • Zhao Fu

  • JingJing Qi

  • Dongliang Cen

  • Likun Zhong

  • June 19, 2026

  • 0 min

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  • 1

    Bronchogenic cysts are rare congenital malformations, with gastric cardia involvement being exceptionally uncommon.

  • 2

    A 36-year-old man presented with abdominal distension and was found to have a cystic lesion adjacent to the gastric cardia.

  • 3

    Endoscopic ultrasound revealed a 4.5 × 5.0 cm homogeneous hypoechoic lesion arising from the muscularis propria layer.

  • 4

    Cyst-fluid analysis showed a neutrophil-predominant profile with elevated tumor markers, raising diagnostic uncertainty.

  • 5

    Histopathological examination confirmed the diagnosis of a bronchogenic cyst, and the patient had no recurrence after 1 year.

Original Source(s)

Case Report: A rare case of gastric cardia bronchogenic cyst: diagnostic challenges and EUS findings with elevated cyst-fluid tumor markers

  • by Jun Huang, Qinfang Zheng, Nan Yi, Zhao Fu, JingJing Qi, Dongliang Cen, Likun Zhong

  • June 19, 2026

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