When the pressure on the veins in the rectal region increases, they swell. These swellings resemble a bag of worm and are referred as Piles or Haemorrhoids. The term Haemorrhoids is more used in the American continent. There are two types of piles, namely, internal piles and external piles. Internal piles are more common than external piles. This write up is about the four grades of internal piles, its management and the surgical options given by piles surgeons.
Types of Piles
When these swelling are present internally within the anus, on the anal lining, they are termed as internal piles. They are formed slightly above a line called dentate line or pectinate line. The entire anal canal is divided into an upper two third portion and a lower one third portion by this dentate or pectinate line. They are precisely formed between 2 and 4 centimeters above the anal opening.
When these swelling are present externally outside the anus, precisely beneath the skin that surrounds the anus, they are termed as external piles.
http://www.springfieldwellnesscentre.com/internal-piles-management-surgical-options/
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