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Figure 1: Marked perianal inflammation in a patient with large external haemorrhoids
Image dscn0832

In layman's terms haemorrhoids are anything around the tail end. To a physician they are;

A polypoid protrusion of mucosa and or skin through the ano-rectal ring

Problems with haemorrhoids are very common. The exact incidence is unknown, as a rough guide about 50% of people aged 50 have some degree of haemorrhoids.

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Adrian P. Ireland