Symptoms of preauricular fistula infection

summary

Preauricular fistula is a common congenital malformation. In addition to local itching, the patient sometimes presses the small eye gently, and there are a few white secretions around the small eye. Most of the fistula openings are located in front of the auricular peduncle, and a few can be located in the triangular fossa or concha cavity of the auricle. Symptoms of preauricular fistula infection? Let's talk about it

Symptoms of preauricular fistula infection

Preauricular fistulas are usually located in front of the auricular peduncle, and the other end is a blind tube with different depth, length and branching. Fistulas are usually unilateral or bilateral. There is a fistula in front of the foot of the helix, often asymptomatic.

The lumen wall is stratified squamous epithelium with hair follicles, sweat glands, sebaceous glands, etc., so a small amount of white viscous or caseous secretion overflows from the orifice during extrusion. Usually asymptomatic, when secondary infection is local swelling pain. Scar can be formed after repeated infection.

Congenital preauricular fistula can be divided into simple type, infectious type and secretory type. Generally asymptomatic. When pressing, there may be a little thin mucus or milky white sebum like substance overflowing from the fistula, local itching discomfort. Patients without symptoms or infection may not be treated. Local itching and discharge should be resected.

matters needing attention

The treatment of preauricular fistula is mainly fistulectomy under local anesthesia. According to the intraoperative injection of methylene blue and the formation of fistula branches or forks, the operation plan is a complete resection or a separate operation. If the patient failed to protect the fistula, fistula infection suppuration, abscess incision and drainage, local dressing and other treatment, until infection control, local recovery, then surgery.