Histopathological examination of tissue resected during bariatric procedures – to be done or not to be done?

Maciej Walędziak; Anna Różańska-Walędziak; Piotr K. Kowalewski; Michal R. Janik; Krzysztof Paśnik

doi:10.5114/wiitm.2017.67807

eISSN: 2299-0054
ISSN: 1895-4588

Videosurgery and Other Miniinvasive Techniques

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2/2017
vol. 12

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abstract:

Original paper

Histopathological examination of tissue resected during bariatric procedures – to be done or not to be done?

Maciej Walędziak

,

Anna Różańska-Walędziak

,

Piotr K. Kowalewski

,

Michal R. Janik

,

Krzysztof Paśnik

Videosurgery Miniinv 2017; 12 (2): 135–139

DOI: https://doi.org/10.5114/wiitm.2017.67807

Online publish date: 2017/05/19

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Introduction: Obesity is one of the major lifestyle diseases and provokes various comorbidities, such as hypertension, type 2 diabetes mellitus, obstructive sleep apnea, and even neoplasms. Bariatric surgery is the most effective treatment of obesity. Since cost-effectiveness has become a major concern, there is a tendency to avoid general histological evaluation of surgical specimens during routine procedures.

Aim: To evaluate the necessity of histopathological investigation of tissue excised during bariatric surgery and to verify whether the operation should be continued in the case of suspicious macroscopic findings.

Material and methods: From January 2013 to December 2016, 1252 patients with obesity were qualified for bariatric procedures. The qualification was performed according to the current European recommendations. Every operation started with an inspection of the peritoneal cavity performed once the abdomen was insufflated. If a macroscopic pathology was found, the specimen was secured for histopathological investigation.

Results: Out of 81 (6.47%) patients from whom histopathological samples were collected, 39% (n = 32) showed negative results, and 61% (n = 49) cases showed abnormalities.

Conclusions: As it is impossible to exclude the existence of gastric tumors only in preoperative gastroscopy and ultrasonography, especially as there is a higher risk in obese patients, routine histological examination of tissue excised during bariatric procedures should be considered. Since most of the neoplasms were found to be benign, there is no need to abandon the bariatric procedure if a pathology is found and resected. Bariatric surgeons should always focus on thorough examination of the abdominal and the pelvic cavity, especially in female patients.

keywords:

Histopathological examination of tissue resected during bariatric procedures – to be done or not to be done?

Maciej Walędziak , Anna Różańska-Walędziak , Piotr K. Kowalewski , Michal R. Janik , Krzysztof Paśnik

obesity, bariatric surgery, incidental findings

Maciej Walędziak

,

Anna Różańska-Walędziak

,

Piotr K. Kowalewski

,

Michal R. Janik

,

Krzysztof Paśnik