Introduction.

The most frequent elective surgery in General Surgery is the gallbladder surgery (cholecystectomy) in General Surgery in adults. There are many abnormalities of the gallbladder and the common bile duct. The most uncommon case is gallbladder agenesis. It could be difficult even for a experimented surgeon. It's the most erratic biliar duct malformation, and there are near 500 cases reported.(l)

Case presentation.

We present a case report of a 44 years old female patient, with abdominal pain in right superior quadrant, history of jaundice and acholia, with higher hepatic enzymes and direct bilirubin, with high probability of Choledocholithiasis. The images had not finding of the gallbladder (ultrasonography, Magnetic Resonance). The endoscopic retrograde colangiopancreatography (ERCP) was done, without removal of lithiasis and it used stent.

Finally we did laparoscopy common bile duct exploration, and the surgery confirmation of agenesis of the gallbladder, with mecanic lithotripsy, and the success with total resolution of the patology in the posterior medical control.

Conclusion.

Agenesis of the gallbladder is a rare pathology that not many surgeons have the opportunity to treat. However, a surgeon must be prepared for any malformation and anatomical variant.

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