TOMÁS GONZÁLEZ, M.D.
To the Editor: Drs. Marshall, Weisberger, Levy, and Breckenridge in their article "Coexistent Idiopathic Thrombocytopenic Purpura and Hyperthyroidism," which appeared on p. 411 of the August 1967 issue of the ANNALS OF INTERNAL MEDICINE, reviewed 42 cases of thrombocytopenic purpura considered to be idiopathic, and they found 4 cases of manifest hyperthyroidism and 2 cases of latent Graves' disease. On this basis, the authors admitted that idiopathic thrombocytopenic purpura and hyperthyroidism may be related.
The authors do not taken into account the possibility of thrombocytopenic purpura secondary to hyperthyroidism. Woodruff (1), and Darenskii (2) corrected the thrombocytopenic purpura in two
GONZÁLEZ T. THROMBOCYTOPENIC PURPURA AND HYPERTHYROIDISM. Ann Intern Med. 1967;67:1350–1351. doi: 10.7326/0003-4819-67-6-1350_2
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Published: Ann Intern Med. 1967;67(6):1350-1351.
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