@article{Zhenhui Lee_Tousif Syed_Kumar_2019, title={Case report: catamenial pneumothorax}, volume={6}, url={http://valleyinternational.net/index.php/ijmsci/article/view/2302}, DOI={10.18535/ijmsci/v6i9.07}, abstractNote={<p>Primary spontaneous pneumothorax is defined as the presence of air in the pleural space with no precipitating cause and is four times less likely to occur in women than in men<sup>1,2</sup>. Common causes for spontaneous pneumothorax in females include: interstitial pneumonia, primary lung cancer and lung metastasis, and asthma<sup>3</sup>.  An uncommon cause for secondary spontaneous pneumothorax is catamenial pneumothorax, which is associated with thoracic endometriosis. The word “catamenial” is derived from the greek word “katamenios” meaning monthly recurrence.<sup>4</sup> Catamenial pneumothorax refers to recurrent spontaneous pneumothorax during menstruation in the absence of concomitant respiratory disease<sup>5</sup>. </p>}, number={09}, journal={International Journal of Medical Science and Clinical Invention}, author={Zhenhui Lee, Shawn and Tousif Syed, Mohammed and Kumar, Pranav}, year={2019}, month={Sep.}, pages={4604–4607} }