Relationship between nodular thyroid disease and metabolic paramethers in patients with acromegaly
Öz
Aim: The high prevalence of nodular goiter in patients with acromegaly is well known. Insulin-like growth factor-1 (IGF-1) has been claimed to be one of the etiologic factors. The aim of the study was to evaluate the incidence of thyroid lesions in our acromegalic patients and to analyze possible factors influencing thyroid nodule development, especially insulin resistance and hormonal parameters.
Material and Methods: Sixty patients with acromegaly, 32 females, and 28 males, with a mean age of 52.7 ± 10.0 years without known thyroid disease were included. Age and sex matched 100 control subjects also included in the study. Waist and hip circumference, weight, and height, fasting blood glucose, postprandial blood glucose, insulin, thyroid function tests, thyroid autoantibodies, lipid profile, IGF-1, growth hormone, other anterior pituitary hormone levels were measured in all patients. Magnetic Resonance Imaging (MRI) and thyroid ultrasonography (US) was performed in all patients. Thyroid nodule volume and thyroid volume were calculated.
Results: Thirty-five (58.3%) patients with acromegaly had thyroid nodules according to (% 25) in control group (p<0,0001). There were significant differences in BMI, thyroid volume, fasting glucose and TSH levels between patients and controls. After regression analysis, thyroid volume was associated with insulin, waist circumference, HOMA-IR, LDL-cholesterol and the size of the pituitary adenoma (p<0.05) or diabetes occurrence. During the logistic regression analysis, the presence of nodules was strongly associated with luteinizing hormone (LH) (p<0.02) and HDL-cholesterol levels (p<0.05). Nodule volume were significantly associated with LH level (p<0.05), ACTH (beta = -0.51, p< 0.01), plasma cortisol (beta= 0.965, p <0.05), free T4 (beta= 0.522, p<0.05), the size of adenoma (beta= 0.615, p<0.05) in the regression analysis.
Conclusion: The prevalence of nodules in acromegalic patients were found to be higher than usual prevalence. In addition to IGF-1, other hormones and insulin resistance might play an important role in thyroid volume, nodule volume, and nodule formation mechanism in patients with acromegaly.Anahtar Kelimeler
Kaynakça
- 1. Melmed S. Medical progress: acromegaly. N Engl J Med. 2006; 355:2558–2573 2. Ribeiro-OliveiraAJr, Barkan A. The changing face of acromegaly–advances in diagnosis and treatment. Nat Rev Endocrinol. 2012;8:605–611 3. Cheung NW, Boyages SC: The thyroid gland in acromegaly: An ultrasonographic study, Clin Endocrinol (Oxf) 46:545–549, 1997). 4. Wolinski K, Czarnywojtek A, Ruchala M. Risk of thyroid nodular disease and thyroid cancer in patients with acromegaly--meta-analysis and systematic review. PLoS One. 2014 Feb 14;9(2):e88787
Ayrıntılar
Birincil Dil
İngilizce
Konular
Sağlık Kurumları Yönetimi
Bölüm
Araştırma Makalesi
Yazarlar
Bekir Uçan
Sağlık Bilimleri Üniversitesi, Dışkapı Yıldırım Beyazıt Eğitim Araştırma Hastanesi
Türkiye
Mustafa Şahin
ANKARA ÜNİVERSİTESİ, TIP FAKÜLTESİ
Türkiye
Muhammed Kızılgül
Sağlık Bilimleri Üniversitesi, Dışkapı Yıldırım Beyazıt Eğitim Araştırma Hastanesi
Türkiye
Mustafa Özbek
Bu kişi benim
Sağlık Bilimleri Üniversitesi, Dışkapı Yıldırım Beyazıt Eğitim Araştırma Hastanesi
Türkiye
İlknur Ünsal
Sağlık Bilimleri Üniversitesi, Dışkapı Yıldırım Beyazıt Eğitim Araştırma Hastanesi
Türkiye
Erman Çakal
Bu kişi benim
Sağlık Bilimleri Üniversitesi, Dışkapı Yıldırım Beyazıt Eğitim Araştırma Hastanesi
Yayımlanma Tarihi
1 Mart 2018
Gönderilme Tarihi
2 Mayıs 2017
Kabul Tarihi
19 Eylül 2017
Yayımlandığı Sayı
Yıl 2018 Cilt: 9 Sayı: 1