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<p><b>New page</b></p><div>'''Biliary Hypoplasia''' is a rare [[congenital disorder]] characterized by the underdevelopment or incomplete development of the [[bile ducts]]. This condition can lead to significant liver damage due to the inadequate drainage of [[bile]]. Biliary Hypoplasia can be isolated or part of broader syndromic conditions, such as [[Alagille syndrome]].<br />
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==Etiology==<br />
The exact cause of Biliary Hypoplasia remains largely unknown. However, it is believed to be a result of genetic mutations or environmental factors that affect the normal development of the bile ducts during fetal life. In cases associated with syndromes like Alagille syndrome, mutations in specific genes (e.g., JAG1 or NOTCH2) have been identified.<br />
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==Pathophysiology==<br />
In Biliary Hypoplasia, the underdevelopment of the bile ducts leads to a reduced ability to transport bile from the liver to the [[gallbladder]] and [[intestine]]. Bile is crucial for the digestion of fats and the elimination of bilirubin, a byproduct of red blood cell breakdown. Accumulation of bile in the liver can cause [[cholestasis]], leading to liver damage and [[cirrhosis]].<br />
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==Clinical Presentation==<br />
Symptoms of Biliary Hypoplasia may include jaundice, pruritus (itching), pale stools, and dark urine. These symptoms result from the accumulation of bile and bilirubin in the blood. In severe cases, patients may develop signs of liver failure, such as coagulopathy, ascites, and growth failure.<br />
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==Diagnosis==<br />
Diagnosis of Biliary Hypoplasia involves a combination of clinical evaluation, laboratory tests, imaging studies, and sometimes liver biopsy. Blood tests may show elevated levels of liver enzymes, bilirubin, and cholesterol. Imaging studies like ultrasound, [[MRI]], or [[ERCP]] (Endoscopic Retrograde Cholangiopancreatography) can assess the structure of the bile ducts. A liver biopsy can confirm the diagnosis by showing reduced or absent bile ducts within the liver tissue.<br />
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==Treatment==<br />
Treatment of Biliary Hypoplasia focuses on managing symptoms and preventing complications. Medications may include ursodeoxycholic acid to improve bile flow, vitamin supplements to address deficiencies, and medications to relieve itching. In severe cases, where there is significant liver damage or failure, liver transplantation may be considered.<br />
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==Prognosis==<br />
The prognosis for individuals with Biliary Hypoplasia varies depending on the severity of the bile duct underdevelopment and the presence of associated syndromes. Early diagnosis and management can improve the quality of life and life expectancy. However, those with significant liver damage may have a poorer prognosis and may require liver transplantation.<br />
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[[Category:Congenital disorders]]<br />
[[Category:Liver diseases]]<br />
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