Primary thrombocythaemia following splenectomy.

Introduction Primary thrombocythaemia (PT) is a well recognized syndrome within the spectrum of myeloproliferative disorders. Typically presenting from middle-age onwards, difficulties may arise in differentiation from secondary thrombocytosis or other myeloproliferative states particularly in younger patients. This report of an unusual presentation ofPT in a 20-year-old male demonstrates some of the problems associated with the diagnosis and management of the disorder.