An atypical presentation of intrahepatic perforated cholecystitis: a modern indication to open cholecystectomy. Report of a case
© Donati et al.; licensee BioMed Central Ltd. 2014
Received: 21 April 2013
Accepted: 17 January 2014
Published: 27 January 2014
Intrahepatic gallbladder perforation with chronic liver abscess formation was anecdotically reported in the literature. The aim of this work is to report a case of intrahepatic gallbladder perforation and its atypical clinical presentation.
A 62-year-old male patient came to our observation; his medical history showed intermittent fever up to 39-40°C of about 2 weeks and anorexia, with an overall weight loss of about 12 Kg. Physical examination of the abdomen was negative. An ultrasound of the liver and an abdominal CT angiogram detected a disomogeneous hypoechoic-hypodense area in the 5th segment of the liver. Differential diagnosis between hepatic abscess or gallbladder cancer remained open. A surgical exploration was planned. After laparoscopic exploration, a conversion to open procedure with an atypical resection of the 5th hepatic segment was performed. Histologic examination of the specimen showed an intrahepatic chronic perforation of the gallbladder with intrahepatic abscess.
To the best of our knowledge, 18 cases have been reported in the literature as a Niemeier type I perforation. Clinical presentation, even in its extreme rarity, is more often acute. Differential diagnosis between gallbladder cancer versus liver abscess remains controversial. Open approach is mandatory in such cases.
KeywordsIntrahepatic perforation Hepatic abscess Chronic perforation Chronic cholecystitis
Perforation of the gallbladder has become a relatively uncommon complication of the natural history of cholelithiasis during acute cholecystitis (0.8-3.2% in recent reviews) . It usually bursts with an acute abdomen and must be operated as a surgical emergency before causing septic peritonitis. Gallbladder perforations were classified following Niemeir’s proposal of 1934 . Gallbladder can perforate freely in the abdominal cavity or in a neighboring organ causing many different clinical situations . The intrahepatic perforation causing a liver abscess is an extremely rare condition, anedoctically reported in the world literature, even in the rare type II or III perforation (subacute or acute perforation) . Liver abscess caused by gallbladder perforation can be a a life-threatening complication (5.6% mortality) . Current management of intrahepatic or hepatic abscess is to submit the patient to a percutaneous drainage supported by intravenous antibiotic therapy, when abscess size does not exceed 5 cm, otherwise surgical exploration and drainage remains the first line treatment option for pyogenic liver abscess [6, 7]. In cases of gallbladder perforation cholecystectomy is, of course, the treatment of choice, even if in these cases the laparoscopic approach can be problematic . The aim of this work is to report on an intrahepatic type I perforation of the gallbladder leading to a chronic hepatic abscess, causing a very rare and atypical clinical picture.
A 62-year-old male patient came to our observation with an initial diagnosis of clinically silent long-term inguinal hernia. His medical history showed intermittent fever and anorexia had been present for one year. In detail, the patient reported that over the previous year he had had alternating intermittent fever up to 39-40°C of about 2 weeks with quiescence periods of about 20–30 days, every few months together with an overall weight loss of about 12 Kg. These symptoms were not associated with any other abdominal or thoracic signs. Physical examination of the abdomen was negative. The fever disappeared after an empiric antibiotic therapy with third generation cephalosporins (1 gr. for 12 days) was started. Laboratory blood samples obtained when the patient was febrile, showed 12,000 WBC count; liver function tests were in the normal range and serologic screening for Salmonella and Brucella antibodies were negative. Blood cultures, antibiograms and tumor markers were also negative (CEA, CA 19.9).
Intra-hepatic gallbladder perforation is generally considered to be a very rare evolution of cholelithiasis, in fact, to date, performing a Pubmed search using as key words: “Intrahepatic abscess, intrahepatic gallbladder perforations, Neimeir’s type I perforation, chronic gallbladder perforation” and then using “related articles” and “see reviews” functions of the database, 20 articles were selected but after reading them and avoiding the well-known confusion  and mistakes of reporting Neimeir’s classification [4, 10], only 18 cases of chronic gallbladder perforation with formation of intrahepatic abscess were found to be reported in the literature [4, 11]; therefore following the original classification they should be considered as Niemeier type I perforations (chronic perforation with fistula) . Despite chronic processes with fistula formation, its clinical presentation, even in its rarity, is more often acute (nausea, vomiting, upper quadrant pain, fever, altered mental status, and septic shock) [12, 13], or the consequence of an acute perforation . The diagnosis is usually made by US or CT scan. In our case CT scan was not able to exclude a tumor in the 5th hepatic segment. The lack of acute abdomen symptoms characterized our case and this clinical presentation is to be considered exceptional, while usually such a perforation leads to an emergency operation . This subtle clinical picture can be misleading for the physician causing a delay in obtaining prompt imaging tests. Some reports have highlighted the difficult differential diagnosis between gallbladder cancer versus liver abscess [12, 14, 15]. Because of the very few reports to date, there is no consensus on the standard treatment of such a rare condition [15, 16]. Simple puncture and drainage in these cases seems to not be an effective option . An endoscopic examination could be an option, even if in this case laparoscopic cholecystectomy could not be performed due to technical reasons (many adhesions, not clear anatomy, high risk of damage to hilar structures). Some Authors question whether this rare condition is more common in patients with an intrahepatic gallbladder . Therefore chronic liver abscess due to gallbladder perforation is a rare evolution of cholelithiasis.
Intrahepatic gallbladder perforation with abscess formation should be considered an exceptional clinical entity. Despite new diagnostic tools, differential diagnosis with cancer sometimes remains challenging.
It is our opinion that an open approach or early conversion should, in these cases, as in other Niemeier’s perforation type I , still be the preferred surgical treatment.
Written informed consent was obtained from the patient for publication of this Case report and any accompanying images. A copy of the written consent is available for review by the Editor of BMC Surgery.
White blood cells
Magnetic resonance imaging
Endoscopy retrograde colangiopancreatography.
We would like to thank Dr. Loredana Villari (Pathology Institute. Vittorio-Emanuele Hospital. Catania.) for the images of this work.
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