Thyroid cancer incidence and clinicopathological distribution in bariatric surgery cases

Öz

Aim: Obesity is strongly associated with increased risk of many cancer types. It is estimated that approximately 20% of all cancers are caused by overweight. It is considered that there is a direct relation between overweight and thyroid cancer. The aim of this study is to evaluate the incidence and clinicopathological distribution of thyroid cancer in bariatric surgery cases. Materials and Methods: The present study was conducted with a total of 2316 patients who underwent bariatric surgery because of morbid obesity in our metabolic and bariatric surgery clinic between April 2014 and November 2021. Results: It was found that the prevalence of thyroid cancer was 1.2% in morbidly obese cases. A total of 23 patients had papillary thyroid cancer (0.99%), 3 patients had follicular cancer (0.12%), 1 patient had medullary cancer (0.04%), and 1 patient had anaplastic cancer (0.04%). Conclusion: It was found in the present study that the most common cancer type was thyroid papillary cancer, and follicular, medullary, and anaplastic cancer were found to be less frequently. There appears to be a relation between Body Mass Index and the thyroid cancer risk.

Anahtar Kelimeler

• Bariatric surgery
• obesity
• thyroid cancers
• histopathological distribution

Bariatrik cerrahi olgularında tiroid kanseri insidansı ve klinikopatolojik dağılımı

Öz

Amaç: Obezite, birçok kanser türünün artan riski ile güçlü bir şekilde ilişkilidir. Tüm kanserlerin yaklaşık %20'sinin aşırı kilodan kaynaklandığı tahmin edilmektedir. Fazla kilo ile tiroid kanseri arasında doğrudan bir ilişki olduğu düşünülmektedir. Bu çalışmada amaç Bariatrik cerrahi olgularında tiroid kanseri insidansı ve klinikopatolojik dağılımını değerlendirmektir. Gereç ve Yöntem: Bu çalışma, Nisan 2014 ile Kasım 2021 tarihleri arasında metabolik ve obezite cerrahisi kliniğimizde morbid obezite nedeniyle obezite cerrahisi uygulanan toplam 2316 hasta ile gerçekleştirildi. Bulgular: Morbid obez olgularda tiroid kanseri prevalansının %1,2 olduğu saptandı. Toplam 23 hastada papiller tiroid kanseri (%0,99), 3 hastada foliküler kanser (%0,12), 1 hastada medüller kanser (%0,04) ve 1 hastada anaplastik kanser (%0,04) vardı. Sonuç: Bu çalışmada en sık görülen kanser tipinin tiroid papiller kanseri olduğu ve foliküler, medüller ve anaplastik kanserlerin daha az sıklıkta olduğu saptandı. Vücut Kitle İndeksi ile tiroid kanseri riski arasında bir ilişki var gibi görünmektedir.

Anahtar Kelimeler

• Bariatrik cerrahi
• obezite
• tiroid kanserleri
• histopatolojik dağılım

Kaynakça

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