Catamenial pneumothorax overview: Difference between revisions
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==Classification== | ==Classification== | ||
Catamenial Pneumothorax is the most common form of thoracic [[endometriosis]] syndrome, which also includes catamenial hemothorax, catamenial [[hemoptysis]], catamenial [[hemopneumothorax]] and [[endometriosis]] lung nodules, as well as some exceptional presentations. | Catamenial Pneumothorax is the most common form of thoracic [[endometriosis]] syndrome, which also includes catamenial hemothorax, catamenial [[hemoptysis]], catamenial [[hemopneumothorax]] and [[endometriosis]] lung nodules, as well as some exceptional presentations. | ||
==Pathophysiology== | |||
[[Endometriosis]] can attach to the lung, forming chocolate-like [[cyst]]s. Generally the parietal pleura is involved, but the lung itself, the visceral layer, the diaphragm, and more rarely the tracheobronchial tree may also be afflicted<ref name=AmJMed>Joseph J, Sahn SA. Thoracic endometriosis syndrome: new observations from an analysis of 110 cases. ''Am J Med'' 1996; '''100''': 164-70. PMID 8629650</ref> | |||
. How this [[endometrium|endometrial tissue]] reaches the thorax remains enigmatic, although defects in the diaphragm can often be found.<ref name=chest>Alifano M, Roth T, Broet SC, Schussler O, Magdeleinat P, Regnard JF. Catamenial pneumothorax: a prospective study. ''Chest'' 2003; '''124''': 1004-8. PMID 12970030</ref> | |||
The cysts can release [[blood]]; the endometrial cyst "menstruates" in the lung. Air can move in by an unknown mechanism. The blood and air cause the lung to collapse (''i.e.'' catamenial [[hemopneumothorax]]).<ref name=book>Glynis D. Wallace. ''Living With Lung And Colon Endometriosis: Catamenial Pneumothorax''. Authorhouse, 2005. ISBN 1-4208-8331-3</ref> | |||
==References== | ==References== | ||
Revision as of 17:58, 5 February 2013
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Catamenial pneumothorax is a condition of collapsed lung occurring in conjunction with menstrual periods (catamenial refers to menstruation), believed to be caused primarily by endometriosis of the pleura (the membrane surrounding the lung).[1]
Classification
Catamenial Pneumothorax is the most common form of thoracic endometriosis syndrome, which also includes catamenial hemothorax, catamenial hemoptysis, catamenial hemopneumothorax and endometriosis lung nodules, as well as some exceptional presentations.
Pathophysiology
Endometriosis can attach to the lung, forming chocolate-like cysts. Generally the parietal pleura is involved, but the lung itself, the visceral layer, the diaphragm, and more rarely the tracheobronchial tree may also be afflicted[2] . How this endometrial tissue reaches the thorax remains enigmatic, although defects in the diaphragm can often be found.[3]
The cysts can release blood; the endometrial cyst "menstruates" in the lung. Air can move in by an unknown mechanism. The blood and air cause the lung to collapse (i.e. catamenial hemopneumothorax).[4]
References
- ↑ Definition from mercksource.com (Dorlands Medical Dictionary)
- ↑ Joseph J, Sahn SA. Thoracic endometriosis syndrome: new observations from an analysis of 110 cases. Am J Med 1996; 100: 164-70. PMID 8629650
- ↑ Alifano M, Roth T, Broet SC, Schussler O, Magdeleinat P, Regnard JF. Catamenial pneumothorax: a prospective study. Chest 2003; 124: 1004-8. PMID 12970030
- ↑ Glynis D. Wallace. Living With Lung And Colon Endometriosis: Catamenial Pneumothorax. Authorhouse, 2005. ISBN 1-4208-8331-3