The boy's mother noted large ecchymoses, particularly on his legs, for the past year. He has always had frequent nosebleeds, but the mother did not think they were excessive. A previous tonsillectomy and circumcision were performed without bleeding complications. There is no family history of bleeding.
Large ecchymoses are present on the boy's legs and trunk.
Telangiectasias are not present. Storage Pool Disease Answers 1. List a differential diagnosis. Mucosal bleeding is seen with primary platelet defects, von Willebrand's disease, or rarely Ehlers-Danlos. The laboratory results suggest a specific diagnosis.