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Retroperitoneal bronchogenic cyst: a case report
Akira Ingu1, Atsushi Watanabe, Yasunori Ichimiya
1Department of Thoracic and Cardiovascular Surgery, Sapporo Medical University, Sapporo, Hokkaido, Japan. ingu@sapmed.ac.jp
Chest
|April 12, 2002
Summary
A rare retroperitoneal bronchogenic cyst caused progressive arm numbness in a woman. Surgical resection confirmed the cyst
Area of Science:
- Thoracic Surgery
- Surgical Oncology
- Gastroenterology
Background:
- A 46-year-old woman experienced a year of left-arm numbness.
- A computed tomography (CT) scan for a suspected thymic tumor incidentally revealed a cyst below the left hemidiaphragm.
Observation:
- Magnetic resonance imaging (MRI) showed the cyst contained proteinaceous fluid.
- A thymoma was resected via median sternotomy.
- The cyst was located infradiaphragmatically, requiring a separate retroperitoneal approach.
Findings:
- Histologic examination identified the cyst as bronchogenic in origin.
- Retroperitoneal bronchogenic cysts are exceedingly rare, with only four prior reports in English literature.
Implications:
- This case highlights the importance of thorough diagnostic workup for unexplained symptoms.
- It underscores the rarity of retroperitoneal bronchogenic cysts and the need for tailored surgical strategies.
- Further research into the embryogenesis and clinical presentation of these rare cysts is warranted.