title: Chronic, episodic thrombocytopenia. A case report with long-term observation.
abstract: A male patient with chronic idiopathic thrombocytopenic purpura (ITP) did not fit into any of the known risk groups for chronic ITP. He was unique in that he manifested a cyclic increase of platelet counts each winter followed by a nadir in the summer, without having other hematologic abnormalities.
authors.affiliation: Department of Pediatrics, University of Minnesota, Minneapolis.
authors.forename: K L
authors.initials: KL
authors.lastname: McClain
mesh_terms: D001792:Blood Platelets / Q000473:pathology; D002675:Child, Preschool; D002908:Chronic Disease; D006801:Humans; D008297:Male; D010507:Periodicity; D010976:Platelet Count; D011696:Purpura, Thrombocytopenic / Q000503:physiopathology*; D013156:Splenectomy