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Öğe Kimura's disease in a Caucasian male treated with cyclosporine(Blackwell Publishing, 2005) Birol, A; Bozdogan, O; Keles, H; Kazkayasi, M; Bagci, Y; Kara, S; Kocak, M…Öğe Remission criteria for the follow-up of patients with acromegaly(Bioscientifica Ltd, 2004) Gullu, S; Keles, H; Delibasi, T; Tonyukuk, V; Kamel, N; Erdogan, GObjective: The aim was to evaluate the validity of current remission criteria in acromegaly. a random GH level of < 2.5 mug/l, a glucose-suppressed GH level of < 1 mug/l and a normal IGF-I level. Design: In forty-one patients treated for acromegaly (23 males and 18 females, 20 - 69 years) and 94 healthy subjects (50 males and 44 females, 20-78 years), basal GH and IGF-I levels and nadir GH levels after 75 g oral glucose were evaluated in decade blocks; these were assayed by sensitive immunoradiometric assays. Results: Basal GH levels varied widely from 0.022 to 10.4 in healthy subjects and were > 2.5 mug/l in 19%. The mean post-glucose GH nadir was 0.067 +/- 0.009 mug/l (range 0.003-0.4 mug/l) and the upper limit of the GH nadir was 0.26 mug/l (means + 2 S.D.) in healthy subjects. Thirty-five patients with acromegaly had high-for-age IGF-I levels in relation to our healthy subjects. In this group, 15 (42.9%) patients had basal GH levels of < 2.5 mug/l, 14 (40%) patients had nadir GH levels of <1 mug/l, and three (8.6%) patients had GH suppression to < 0.26 mug/l which was defined as normal GH suppression in our healthy subjects. Only six patients with acromegaly had normal-forage IGF-I levels and all of these patients had basal GH levels of < 2.5 mug/l and all but one had nadir GH levels of < 0.26 mug/l. Conclusions: A basal or random GH level of < 2.5 mug/l is not a reliable criterion for remission in acromegaly and the currently accepted normal upper limit of 1 mug/l for post-glucose GH suppression is too high. Post-glucose nadir GH levels, measured with sensitive assays, can be < 1.0 mug/l in 40% and basal GH levels can be < 2.5 mug/l in 43% of the active acromegalic patients. IGF-I levels appeared to correlate better with a nadir GH cut-off of 0.26 mug/l rather than 1 mug/l in the determination of disease activity.Öğe Risedronate-induced intravascular haemolysis complicated by acute tubular necrosis(Springer, 2005) Ozkurt, ZN; Guliter, S; Keles, I; Keles, H…
