Perirectal abscess of the anal canal
[History taking].
1. Pain and swelling around the anus, aggravated after defecation or walking. Meng Yong, Department of Anorectology, Jinan Hospital of Traditional Chinese Medicine
2. fever, elevated white blood cells and other systemic symptoms in severe cases.
Physical examination]
Redness, swelling, pressure pain and fever in the painful area around the anus, local softening after several days, and pus can be extracted. A painful mass can be palpated on anal finger examination.
【Auxiliary examination
Laboratory tests: blood leukocyte count and neutrophilia.
Diagnosis and differential diagnosis
Diagnosis and differential diagnosis can be made based on medical history, physical examination and local pus extraction.
Treatment principles
1. Non-surgical treatment: those with systemic symptoms should take oral or injectable antibiotics.
2.Surgical treatment: those with abscess formation should undergo early incision and drainage.
Therapeutic standards
1）Cure: symptoms disappear and wounds are completely healed.
2. Improvement: symptoms basically disappear, but the wound is not completely healed or an anal fistula is formed.
Discharge criteria
The patient can be discharged after reaching the standards of clinical cure and improvement.