To the Editor.—
According to the Test Your Knowledge quiz in the October issue of the Archives (110:604, 1974) regarding generalized granuloma annulare, it is "true" that "There is no significant association with diabetes."The article by Dicken et al1 cited as a reference in the Answer section, described two patients with frank diabetes mellitus and two with "mildly elevated" fasting blood sugar levels among 26 cases of generalized granuloma annulare. The authors did not consider this data insignificant, but instead concluded that "The finding of four such patients in 26 is higher than the usual expectancy, and this finding warrants further study." In a later report by Haim et al,2 four cases of overt diabetes and three of latent or chemical diabetes were found among eight patients with generalized granuloma annulare. Mobacken et al3 reported finding one patient with an abnormal cortisone glucose tolerance test among
Voron DA. Generalized Granuloma Annulare. Arch Dermatol. 1975;111(3):397–398. doi:10.1001/archderm.1975.01630150117025
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