title: Thrombocytopenia in a patient with polycythaemia.
mesh_terms: D000368:Aged; D001791:Blood Platelet Disorders / Q000209:etiology; D006801:Humans; D008297:Male; D011086:Polycythemia / Q000150:complications*; D013154:Spleen / Q000503:physiopathology; D013921:Thrombocytopenia / Q000209:etiology* / Q000503:physiopathology