Image of the Week: A Case of Black Gallstones Following Cholecystectomy - Clinical Advisor

Image of the Week: A Case of Black Gallstones Following Cholecystectomy

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A 45-year-old woman presents to the emergency department with abdominal pain and vomiting. She mentions that the pain radiates to her right shoulder and has been constant for approximately 6 hours. She is febrile, and the right upper quadrant of her abdomen is tender. Laboratory tests reveal leukocytosis, and an abdominal ultrasound demonstrates thickening of the gallbladder wall and the presence of gallstones. The patient subsequently undergoes laparoscopic cholecystectomy, and several black-pigmented stones are removed. When a medical student asks why these stones are black, the student is told to consult the patient’s medical history, including medication use.   

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