İnce Barsak Kanseri

Özet

İnce barsak kanserleri tüm kanserler ve gastrointestinal kanserler içerisinde nadir görülen kanserlerdir. İnce barsak adenokanseri en fazla görülen alt tiptir. Yerleşim yeri en sık duodenumdur. Cerrahi, kemoterapi ve radyoterapinin multidisipliner yaklaşımı ile tedavisi planlanmaktadır. Tanı anından itibaren düzenli bir şekilde tüm müdahale ve tedavilerin not edilmesi, tedavi tamamlandıktan sonra aktif takip sistemi oluşturulması hastanın sağkalımını uzatmak, yaşam kalitesini artırmak anlamında önem arz etmektedir. Hem lokal tekrarları hem de uzak metastazları erken tespit etmek için programlı izlem şarttır. Nadir görülen kanserler olduğundan takip süreci ile ilgili bilgiler daha çok kolorektal kanser takip protokollerinden extrapolasyonla elde edilmiştir. Bu konuda randomize prospektif çalışmalara ihtiyaç vardır.
Özellikle en sık tekrarın ilk 2 yıl içinde olduğu düşünüldüğünde ilk 2 yıl düzenli takip esastır. Bu dönemde 3 ayda bir biyokimyasal testler, BT ve/veya MRG ile takip, CEA ve CA19.9 takibi yapılmalıdır. İkinci yıldan sonra 6 ayda bir takip önerilmektedir. Beş yıldan sonra endikasyon varsa görüntüleme yapılabilir. Endoskopik incelemeler tüm takip süresince endikasyon varsa yapılmalıdır. Yüksek riskli grupta takip protokolleri sıklaştırılmalıdır.

Small bowel cancers are rare cancers among all cancers and gastrointestinal cancers. Small bowel adenocarcinoma is the most common subtype. The most common location is the duodenum. Treatment is planned with a multidisciplinary approach of surgery, chemotherapy and radiotherapy. Regularly noting all interventions and treatments from the moment of diagnosis and establishing an active follow-up system after the completion of treatment are important in terms of extending the patient's survival and improving the quality of life. Programmed follow-up is essential for early detection of both local recurrences and distant metastases. Since they are rare cancers, information on the follow-up process has mostly been obtained by extrapolation from colorectal cancer follow-up protocols. Randomized prospective studies are needed on this subject. 
Especially considering that the most frequent recurrence is in the first 2 years, regular follow-up is essential for the first 2 years. During this period, biochemical tests, follow-up with CT and/or MRI, CEA and CA19.9 should be performed every 3 months. Follow-up is recommended every 6 months after the second year. Imaging can be performed if indicated after five years. Endoscopic examinations should be performed if indicated throughout the follow-up period. Follow-up protocols should be increased in high-risk groups.

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