The common hepatic duct is about 3cm in length and 0.4~0.6cm in diameter in normal people, and a diameter smaller than normal range is common hepatic duct stenosis, which can be categorized into benign and malignant common hepatic duct stenosis.
Benign common hepatic duct stenosis refers to the narrowing of the common hepatic duct due to proliferation of fibrous tissue and scarring contracture caused by biliary surgery, stones, inflammation, infection, etc. Malignant common hepatic duct stenosis refers to the narrowing of the common hepatic duct caused by metastatic tumors invading the bile duct.
There is no specific manifestation of common hepatic duct stenosis, and jaundice, malaise, nausea, right upper abdominal discomfort, cholestasis, and secondary cholangitis may occur.
Jaundice and cholestasis caused by common hepatic stenosis require bile duct decompression to relieve the symptoms. Treatment should be based on the benign or malignant nature of the disease, and it is recommended to consult a doctor in time and have the treatment measures formulated according to the individual situation.