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A bronchogenic cyst, presenting as a retroperitoneal cystic mass

Kim Govaerts, Peter Van Eyken, Geert Verswijfel, Kurt Van der Speeten
  • Peter Van Eyken
    Departement of Surgical Oncology, Ziekenhuis Oost Limburg, Genk, Belgium
  • Geert Verswijfel
    Departement of Surgical Oncology, Ziekenhuis Oost Limburg, Genk, Belgium
  • Kurt Van der Speeten
    Departement of Surgical Oncology, Ziekenhuis Oost Limburg, Genk, Belgium

Abstract

Bronchogenic cysts are mostly benign, congenital abnormalities originating from the remnants of the primitive foregut. A retroperitoneal location is rare. Due to the mostly asymptomatic behavior and the historical confusion regarding histology, an exact prevalence is not known. We present here a case report of a retroperitoneal bronchogenic cyst. A literature review was performed for cases of retroperitoneal bronchogenic cysts written in English. Anatomopathological criteria for inclusion were pseudo stratified, ciliated, columnar epithelium together with the presence of at least one of the following: cartilage, smooth muscle or seromucous glands. In addition, the embryology, pathogenesis, radiological, clinical and suggested treatment modalities are reviewed. We report the surgical excision of a retroperitoneal bronchogenic cyst that presented as a non-functioning left adrenal mass. Our review of literature revealed only 62 potential cases of retroperitoneal bronchogenic cysts. After applying the strict anatomopathological criteria, only 30 cases of true retroperitoneal bronchogenic cysts could be identified. Retroperitoneal location of a bronchogenic cyst is rare. Despite the rarity of this pathologic entity, bronchogenic cysts should be considered in the differential diagnosis of retroperitoneal cystic lesions. Only histology can confirm definitive diagnosis. Surgery remains the recommended treatment of choice.

Keywords

Bronchogenic cyst; retroperitoneal; embryogenesis; excision

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Submitted: 2011-12-04 19:40:56
Published: 2012-03-20 16:39:54
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Copyright (c) 2012 Kim Govaerts, Peter Van Eyken, Geert Verswijfel, Kurt Van der Speeten

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