Bronchogenic Cyst, Mediastinal
Bronchogenic cyst is a developmental anomaly formed from the primitive foregut that gives rise to pharynx, lower respiratory tract, and upper gastrointestinal tract. It is formed as an abnormal budding of the tracheobronchial tree during embryogenesis. It moves with respiration. They are usually asymptomatic but can cause symptoms if compressing trachea, bronchi, or esophagus.
Rare but the most common of all foregut cysts.
Any age. Usually found in young adults.
Males and females are equally affected.
Anterior mediastinum. May also be found in other parts of mediastinum and in the lung parenchyma.
Surgery (for symptomatic cysts). Sometimes percutaneous needle aspiration is performed.
Unilocular or sometimes multilocular cyst with smooth inner and outer surface; wall of the cyst can vary in thickness. Often filled with mucus.
References and Further Reading
- Plaza, J. A., Moran, C. A., & Suster, S. (2010). Thymus and mediastinum. In P. Gattuso, V. B. Reddy, O. David, D. J. Spitz, & M. H. Haber (Eds.), Differential diagnosis in surgical pathology (pp. 283–284). Philadelphia: Saunders Elsevier.Google Scholar
- Shimosato, Y., Mukai, K., & Matsuno, Y. (2010). Bronchogenic cyst. In S. G. Silverberg (Ed.), AFIP atlas of tumor pathology. Tumors of the mediastinum (pp. 305–306). Washington, DC: American Registry of Pathology.Google Scholar