Central dot sign is seen in:
Correct Answer: Caroli's disease
Description: A. i.e. Caroli's disease Central dot sign is considered pathognomonic of carolis diseaseQ. This sign consists of cystically dilated intra hepatic biliary radicles with a "dot" of increased density represented by poal radicle with the lumen of duct. Caroli's disease Communicating cavernous ectasia of the intrahepatic bile ducts. (IHBD). - AR congenital disorder - Segmental, saccular dilatation of the IHBD. - A/W: - Choledochal cyst and - AR polycystic kidney disease (ARPKD) Signs Disease Central dot signQ Caroli's disease Pruned- Tree appearance / Beaded appearenceQ / Skip lesions Primary sclerosing cholangitis Light bulb appearance Liver Hemangioma (on T2W MRI) Water lily sign /HoneycombingQ Liver hydatid
Category:
Radiology
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