title: Paget's disease of the skull causing hyperprolactinemia and erectile dysfunction: a case report.
abstract: BACKGROUND
  Hyperprolactinemia is an uncommon cause of erectile dysfunction in men. Paget's disease of the skull is a relatively common disease. This case proposes a rare example of a causative link between the two and how treatment of the Paget's disease with bisphosphonates helped the patient regain erectile function.
  
  
  METHODS
  A 67-year-old man with Paget's disease of the skull presented with prostatitis, erectile dysfunction, and hyperprolactinemia. Radio-isotope scanning showed increased vascularity around the sphenoid bone. Treatment with intravenous bisphosphonates improved the active Paget's disease as indicated by declining alkaline phosphatase levels and the patient's erectile function while serum prolactin levels became normal and serum testosterone levels remained unchanged.
  
  
  CONCLUSIONS
  It is possible that hyperprolactinemia is unrecognised in other patients with Paget's disease of the skull. Normalizing elevated prolactin levels by using bisphosphonates in treating Paget's disease appears to be more appropriate than traditional treatment for hyperprolactinemia.
authors.affiliation: York Hospital, Wigginton Road, York, YO31 8HE, UK. rachelhepherd@hotmail.com
authors.forename: Rachel
authors.initials: R
authors.lastname: Hepherd
authors.forename: Paul E
authors.initials: PE
authors.lastname: Jennings