• Ayesha Liaqat, Hamza Attiq, Hamza Liaqat, Laila Hassan, Ruhma Waheed, and Tauseef Asghar.
• Department of Surgery, Services Institute of Medical Sciences, Lahore, Pakistan.
• J Coll Physicians Surg Pak. 2020 Aug 1; 30 (8): 877-879.

AbstractCalcium oxalate phosphate is extremely rare composition of gall stones, with only one case reported in pediatric population till date. We report a case of pediatric cholelithiasis with a unique composition of calcium oxalate phosphate, detected at eight years of age. Its etiology remains unknown. An 8-year girl presented in Emergency Room with complaints of acute pain in right upper quadrant and nausea without any complaints of jaundice or fever. She was admitted to the hospital with the provisional diagnosis of acute cholecystitis keeping in view her symptoms and obesity, which was later found to be true after an ultrasound report; but the uniqueness and rarity of this case was determined after cholecystectomy, when the specimen containing her gall bladder along with stones was sent for analysis of the composition, which showed the rarest composition i.e., calcium oxalate phosphate. We report our experience on the unique composition of gallstones in a young girl with no known risk factors except obesity. These rare pediatric gallstones have not been associated with obesity in any literature earliar. Key Words: Gallstones, Calcium oxalate phosphate, Pediatric.

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