What's the matter with the long hard bag next to the anus?

A long hard pack next to the anus has the following possibilities:

First, thrombotic external hemorrhoids is caused by local thrombosis in the blood vessels of external hemorrhoids general surgical treatment, can be a line of thrombus stripping or thrombotic external hemorrhoidectomy.

Second, perianal abscess, perianal abscess is mostly caused by anal gland infection perianal abscess. Perianal abscess to surgical treatment, if the perianal can touch the mass, the general perianal abscess position is low, can be a one-time perianal abscess radical operation.

Third, sebaceous cysts. Sebaceous cysts are mostly caused by perianal sebaceous gland inflammation, in clinical also need of surgical treatment. Compared to perianal abscess, surgery is much simpler.