International journal of surgery case reports · 2024
Gallbladder tuberculosis mimicking carcinoma: A case report of a rare entity.
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Dhali Arkadeep, Maity Rick, Biswas Jyotirmoy, Mukherjee Souradip, Dhali Gopal Krishna
Аннотация
INTRODUCTION: Gallbladder TB (GBTB) is a rare disease with a non-specific presentation, simulating cholecystitis and gallbladder malignancies. We describe a rare case of infiltrative GBTB with biliary strictures in a young female who was initially diagnosed with metastatic gallbladder carcinoma.
CASE PRESENTATION: A 33-year-old female presented with recurrent episodes of obstructive jaundice, significant weight loss, fatigue, and oligomenorrhoea. Imaging studies revealed features of locally advanced gallbladder carcinoma with proximal and distal common bile duct strictures. However, biopsy of the liver tissue surrounding the gallbladder mass confirmed necrotizing granulomatous inflammation with similar findings from fine needle aspiration of the cervical lymph node. Along with the histopathological findings, radiological evidence of pulmonary tuberculosis confirmed the diagnosis of infiltrative GBTB. The patient was successfully managed with anti-tubercular drugs along with biliary decompression.
DISCUSSION: The rarity of GBTB is attributed to the high alkalinity of bile and bile acids, which afford protection against tubercle bacilli. Patients commonly present with abdominal pain, fever, abdominal lump, anorexia, and weight loss. Biliary strictures, though rare, have been described in GBTB and simulate cholangiocarcinoma. Due to the non-specific findings of pre-operative laboratory and radiological investigations, most patients are taken up for surgery and diagnosed with TB on post-operative histological analysis.
CONCLUSION: Gallbladder TB is a rare disease which poses a diagnostic challenge because it lacks any pathognomonic features. A tissue diagnosis must be carried out before confirming gallbladder and biliary tract malignancies. Physicians in TB-endemic regions should possess a high index of suspicion for diagnosing GBTB.
CASE PRESENTATION: A 33-year-old female presented with recurrent episodes of obstructive jaundice, significant weight loss, fatigue, and oligomenorrhoea. Imaging studies revealed features of locally advanced gallbladder carcinoma with proximal and distal common bile duct strictures. However, biopsy of the liver tissue surrounding the gallbladder mass confirmed necrotizing granulomatous inflammation with similar findings from fine needle aspiration of the cervical lymph node. Along with the histopathological findings, radiological evidence of pulmonary tuberculosis confirmed the diagnosis of infiltrative GBTB. The patient was successfully managed with anti-tubercular drugs along with biliary decompression.
DISCUSSION: The rarity of GBTB is attributed to the high alkalinity of bile and bile acids, which afford protection against tubercle bacilli. Patients commonly present with abdominal pain, fever, abdominal lump, anorexia, and weight loss. Biliary strictures, though rare, have been described in GBTB and simulate cholangiocarcinoma. Due to the non-specific findings of pre-operative laboratory and radiological investigations, most patients are taken up for surgery and diagnosed with TB on post-operative histological analysis.
CONCLUSION: Gallbladder TB is a rare disease which poses a diagnostic challenge because it lacks any pathognomonic features. A tissue diagnosis must be carried out before confirming gallbladder and biliary tract malignancies. Physicians in TB-endemic regions should possess a high index of suspicion for diagnosing GBTB.