A hard lump under the skin of the perianal area may be caused by perianal abscess, anal polyp, anal fistula, condyloma acuminatum and other reasons.
1. Perianal abscess: Perianal abscess is usually caused by infection, low resistance, deep abscesses usually appear in the anus under the mucous membrane of the rectum, lumbosacral or perineal swelling and pain, some patients will also have anal pain, urinary difficulties and other symptoms.
2. Anal polyps: anal polyps are generally caused by genetic mutation, heredity, long-term constipation, etc. When anal polyps are large or more, anal polyps will be separated from the muscle layer and prolapse downward, and the patient will experience abdominal pain, blood in the stool, diarrhea and other symptoms.
3. anal fistula: anal fistula is usually caused by bad eating habits, long-term late night, alcoholism, etc., the patient will have papillary or granulation tissue protruding from the perianal area, the patient will also have secretions, itching, pain and other symptoms.
4. acromegaly: acromegaly is generally caused by infection of HPV, women generally occur in the perianal area, vaginal opening, perineum and other parts of the male urethra, glans, coronal groove and other parts of the acromegaly, acromegaly in the late stage of the skin lesions are often manifested as pink, white papillae, corns, cauliflower-shaped particles in the shape of.
There are many reasons for the hard lumps under the perianal skin with the hand, the specific reasons need to go to the hospital to determine the examination, after the diagnosis of the patient should be under the guidance of the doctor for treatment.