Back to TopCauses. There are many causes of cholestasis. Extrahepatic cholestasis occurs outside the liver. It can be caused by: Bile duct tumors. Cysts. Narrowing of the bile duct (strictures) Stones in the common bile duct. Pancreatitis.
What is the meaning of the October birthstone? The word, âopalâ comes from the Greek term âopallos,â which stands for âto see a changeâ in color. It radiates a mysterious interplay of colors, which come out as delicate tints of different shades when observed from different angles.
Opal is said to have holistic powers and gives the wearer an understanding of higher powers. Opal is a rare gemstone consisting of hydrated silica. Opal is mined in Australia, Ethiopia, Mexico and Europe. Opal is the Birthstone for October and is admired by business people and travellers as a safe travelling charm.