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.
Tourmaline is also regarded as a birthstone for October and the anniversary gemstone for the 8th of marriage. It is believed that tourmaline has special properties: 1  Be able to strengthen the mind and spirit.  To heal blood disease, lymph glands, arthritis, heart disease and the nervous system.