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Gallbladder

Gallbladder

The gallbladder is a small, pear-shaped organ that plays a crucial role in our digestive system. Measuring about 10 cm in length, it is comparable in size to a kiwi fruit and is located in a hollow area on the lower surface of the liver. The gallbladder's primary function is to store and concentrate bile, a fluid produced by the liver that aids in digestion.
The gallbladder's anatomy consists of three regions: the fundus, body, and neck. Extending from the neck, the cystic duct joins...

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Actinomycosis in a Gallbladder Specimen: A Case Report.

Rahul R Mor¹, Hiba Shanti¹

¹Minimal Access Surgery, King's College Hospital NHS Foundation Trust, London, GBR.

|January 9, 2025

Summary

Gallbladder actinomycosis, a rare infection by Actinomyces bacteria, can mimic other biliary diseases. Complete surgical removal may suffice for localized gallbladder actinomycosis, potentially avoiding prolonged antibiotic treatment.

Keywords:

actinomycosis acute cholangitis endoscopic retrograde cholangiopancreatography gallbladder gallstones laparoscopic cholecystectomy

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Area of Science:

Infectious Diseases
Microbiology
Gastroenterology

Background:

Actinomycosis is a chronic infection caused by Actinomyces species, anaerobic, gram-positive bacteria.
These bacteria are normal flora in the oral cavity, gastrointestinal tract, and female genital tract.
While cervicofacial actinomycosis is common, rare presentations like gallbladder involvement can occur.

Observation:

A 61-year-old male presented with right upper quadrant pain, jaundice, nausea, and vomiting.
Imaging indicated biliary obstruction attributed to common bile duct stones.
The patient underwent endoscopic retrograde cholangiopancreatography and laparoscopic cholecystectomy.

Findings:

Histopathological examination of the gallbladder revealed Actinomyces species.
Identification was confirmed using Gram, PAS, and Grocott staining techniques.
The case highlights a rare instance of gallbladder actinomycosis.

Implications:

Gallbladder actinomycosis presents a diagnostic challenge, often mimicking other hepatobiliary conditions.
Complete surgical excision of localized infection may be a sufficient treatment.
This case suggests that prolonged antibiotic therapy might not always be necessary for localized gallbladder actinomycosis post-surgery.