“…(2) All current clinical practice guidelines have recommended a minimum evaluative process to look for secondary causes of thrombocytopenia before a diagnosis of ITP is made. (2,3) Medical literature has numerous examples of ITP mimics of infectious, (4) immune, (5) haematologic, (6) endocrine, (7) neoplastic (8) and other disorders. (9) In practice, however, the frequency of secondary thrombocytopenia has not been systematically reported.…”