Introduction and importanceLeft-sided gall bladder, a rare biliary abnormality with an incidence of 0.04-0.3%, is characterized by the presence of the gall bladder to the left of the ligamentum ...teres. However, they are often missed during pre-operative imaging and often encountered intraoperatively, thus challenging the surgical intervention for the surgeons. Case presentationWe herein present a 40-year-old male presented with colicky right hypochondriac pain and epigastric discomfort, diagnosed incidentally during laparoscopic cholecystectomy as a left-sided sided gall bladder without situs inversus, which was missed during pre-operative ultrasonography and was treated without any complications with conventional four-port technique without changes in the trocar placement. Clinical discussionGall bladder is normally found in the gall bladder fossa to the right of the ligamentum teres in the plane of the von Rex-Cantlie line; however, left-sided gall bladder is found to the left of the ligamentum teres and is frequently associated with inversus of the abdominal structures and associated vessels. They are frequently overlooked during preoperative diagnostic imaging, ultrasound for colicky discomfort, and encountered during intraoperative operations, confounding the treating surgeon's anatomic expertise. Intra-operative cholangiography is sometimes used as an adjunct, and operations can be accomplished with or without modifications in trocar position. ConclusionDespite preoperative imaging, biliary abnormalities can be discovered accidently during laparoscopic cholecystectomy. Thus, diligent recognition of structures and related anomalies by the treating surgeon has a high value in the best possible outcome for the patient, and left-sided gall bladder can be done with minimum difficulty even without interposition of trocar placement.
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