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Role of imaging in bariatric procedures: Roux-en-Y gastric bypass and laparoscopic adjustable gastric banding

Laura R Carucci

Morbid obesity is an increasing health problem in western countries and as a consequence bariatric procedures are increasingly performed in both private practice and academic centers. At present, the two most commonly performed procedures, laparoscopic adjustable gastric band and Roux-en-Y gastric bypass, are effective treatment options for morbid obesity with sustained weight loss, decreased morbidity, reversal of comorbidities and prolonged life expectancy. However, many complications may occur following these procedures and patients are often assessed with CT or fluoroscopy examinations. It is important to be aware of the expected postsurgical anatomy and potential complications that may be identified on imaging studies in order to avoid misdiagnosis.