Monthly haemoptysis in a woman with platelet storage pool disease

A 26-year-old female with known platelet storage pool disease presented with a short history of recurrent haemoptysis. Initial investigations were unhelpful until the cyclical nature of the symptoms became apparent prompting the unusual diagnosis of pulmonary endometriosis to be made. This was subsequently confirmed on premenstrual CT scanning. The introduction of a specific hormonal therapy and multidisciplinary input was ultimately successful.