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Perforation – other causes can be Epstein–Barr virus [10], liver abscess [11], blunt abdominal trauma [12], and spontaneous [13]Bile leaked into the peritoneum [9] | Umbilical pain and a bluish discoloration of the skin around a known umbilical hernia presumably due to tracking of bile within the abdomen [9] | Liver function test, laparotomy [9] | The patient had spontaneous acalculous gallbladder perforation [9]. This condition is rare but critical | | Gallbladder herniation: parastomal [14–18], incisional [19–21], spontaneous ventral [22, 23], epigastric [24], transdiaphragmatic herniation [25] | A midline abdominal hernia with small bowel loops, and a parastomal hernia containing the gallbladder [14] | Abdominal pain [14] | CT scan with oral Gastrograffin (sodium diatrizoate and meglumine diatrizoate) contrast [14] | |
| Gallbladder torsion [17] | Torsion of the neck of the gallbladder with secondary suppuration leading to gangrenous changes in the gallbladder [17] | Abdominal pain [17] | Abdominal CT [17] | Other case of gallbladder torsion [26], a new case of gallbladder torsion within an incisional hernia [27], complete gallbladder torsion [28], gallbladder torsion caused acute cholecystitis [7] |
| A gallstone enters via the Vater papilla and later increases in size [29] | Transition of a gallstone in the gastrointestinal tract leading to mechanical bowel obstruction (gallstone ileus) [29] | Nausea, vomiting and abdominal pain [29] | Abdominal CT, MRCP [29] | Other case: gallbladder-colon fistula [30] and cholecystogastric fistula [31] |
| Biliary-enteric fistula e.g. gallbladder-duodenal fistula [8] | “Spontaneous biliary fistulas have been associated with gallbladder cancer; if they are the cause of cancer, or acomplication of it, this has not yet been defined.” [8] | 1-month history of episodic nausea and vomiting, and epigastric pain on admission [8] | Abdominal ultrasound, CT, barium study [8] | |
| Failure of the cystic bud to develop in utero [32] | Gallbladder... |
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