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.
1 November's birthstones are the topaz (particularly, yellow) which symbolizes friendship and the citrine. 2  Its birth flower is the chrysanthemum.  The zodiac signs for the month of November are Scorpio (until November 21) and Sagittarius (November 22 onwards).