TY - JOUR T1 - Splenectomy complicated by sustained extreme thrombocytosis and extensive portosplenomesenteric vein thrombosis in pyrimidine 5′-nucleotidase deficiency JF - BMJ Case Reports DO - 10.1136/bcr-2013-201061 VL - 2013 SP - bcr2013201061 AU - Hassan A Al-Jafar AU - Ali Taqi AU - John Patrick Madda AU - Thamer A Abdullah Y1 - 2013/11/28 UR - http://casereports.bmj.com/content/2013/bcr-2013-201061.abstract N2 - Reactive and redistributional thrombocytosis is a well-known postsplenectomy occurrence .Usually it is transient and it rarely reaches extreme levels. We report a rare case of haemolytic anaemia where splenectomy was carried out following trauma to a massively enlarged spleen and was followed by extreme sustained thrombocytosis associated with extensive portal, splenic and mesenteric vein thrombosis despite standard antithrombotic prophylaxis. ER -