What is the reason for a hard lump next to the anus

Anal side has hard lumps, to see whether the specific hard lumps are on the anal edge or anal side. If the anal edge is generally inflammatory external hemorrhoids, thrombotic external hemorrhoids, if there is a hard mass next to the anus, may be inflammatory mass, may be a complication of perianal abscess, mass rupture can form anal fistula, not broken on the formation of inflammatory mass. If anal margin mass, such as thrombotic external hemorrhoids, do a minor operation can be solved, if inflammatory external hemorrhoids with a point of medicinal Ma Yinglong, with a point of ointment hip bath can also be solved. If anal inflammatory mass rupture anal fistula, it is necessary to do surgery, surgery should be completely in accordance with anal fistula to deal with, if the mass infection, swollen more severe, should be treated according to perianal abscess. Pimples should be the earliest professional hospital doctors to diagnose clearly, determine what kind of disease or inflammatory mass, or bloody external hemorrhoids, or inflammatory external hemorrhoids.