BACKGROUND The omentum is an organ that is easily sacrificed during abdominal surgery.The scope of omentectomy and whether a routine omentectomy should be performed are still unknown.AIM To review the literature in order to determine the physiological functions of the omentum and the roles it plays in pathological events in order to reveal the necessity for removal and preservation of the omentum.METHODS A clinical review of the English language literature based on the MEDLINE(PubMed)database was conducted using the keywords:“abdomen”,“gastrointestinal”,“tumor”,“inflammation”,“omental flap”,“metastasis”,“omentum”,and“omentectomy”.In addition,reports were also identified by systematically reviewing all references in retrieved papers.RESULTS The omentum functions as a natural barrier in areas where pathological processes occur in the abdominal cavity.The omentum limits and controls inflammatory and infectious pathologies that occur in the abdomen.It also aids in treatment due to its cellular functions including lymphatic drainage and phagocytosis.It shows similar behavior in tumors,but it cannot cope with increasing tumor burden.The stage of the disease changes due to the tumor mass it tries to control.Therefore,it is considered an indicator of poor prognosis.Due to this feature,the omentum is one of the first organs to be sacrificed during surgical procedures.However,there are many unknowns regarding the role and efficacy of the omentum in cancer.CONCLUSION The omentum is a unique organ that limits and controls inflammatory processes,foreign masses,and lesions that develop in the abdominal cavity.Omental flaps can be used in all anatomical areas,including the thorax,abdomen,pelvis,and extremities.The omentum is an organ that deserves the title of the abdominal policeman.It is generally accepted that the omentum should be removed in cases where there is tumor invasion.However,the positive or negative contribution of omental resection in the treatment of abdominal pathologies should be questioned.
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