Case Report: A rare case of gastric cardia bronchogenic cyst: diagnostic challenges and EUS findings with elevated cyst-fluid tumor markers - Scorecard - 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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Clinical Scorecard: Uncommon Presentation of a Bronchogenic Cyst in the Gastric Cardia: Diagnostic Difficulties and EUS Findings with Elevated Tumor Markers in Cyst Fluid

At a Glance

CategoryDetail
ConditionBronchogenic Cyst
Key MechanismsCongenital foregut malformation, cystic lesion in gastric cardia
Target PopulationAdults, specifically a case of a 36-year-old male
Care SettingGastroenterology and surgical intervention

Key Highlights

  • Bronchogenic cysts are rare, with gastric cardia involvement being exceptionally uncommon.
  • Endoscopic ultrasound (EUS) is crucial for localizing and characterizing subepithelial cystic lesions.
  • Cyst-fluid analysis revealed elevated tumor markers but should not be interpreted as malignancy in isolation.
  • Laparoscopic cyst excision was performed due to diagnostic uncertainty and symptomatic presentation.
  • Histopathological examination confirmed the diagnosis of a bronchogenic cyst.

Guideline-Based Recommendations

Diagnosis

  • Utilize imaging techniques such as CT and MRI to assess cystic lesions.
  • Endoscopic ultrasound (EUS) is recommended for detailed characterization.

Management

  • Laparoscopic resection is indicated for symptomatic lesions with uncertain diagnosis.

Monitoring & Follow-up

  • Follow-up is necessary to check for recurrence post-surgery.

Risks

  • Elevated tumor markers in cyst fluid may lead to misinterpretation as malignancy.

Patient & Prescribing Data

Adult males with abdominal symptoms and cystic lesions in the gastric cardia.

Surgical intervention is warranted in cases of diagnostic uncertainty and significant symptoms.

Clinical Best Practices

  • Consider differential diagnoses including GIST and other cystic lesions.
  • Interpret cyst-fluid tumor markers cautiously, as they may not indicate malignancy.

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