WMJ : official publication of the State Medical Society of Wisconsin
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Spontaneous rupture of an intercostal artery is exceptionally rare without an inciting event such as trauma or nontraumatic arterial wall weakening. This report details the diagnosis and treatment of a 47-year-old man who presented with a spontaneous hemothorax from an intercostal artery. There are very few reports in the literature documenting spontaneous intercostal artery rupture without associated illness or injury.