What is congenital preauricular flaccidity?

summary

Congenital preauricular fistula is a common ear disease. It is caused by Malfusion of the first and second tubercles of parotid arch or incomplete closure of the first parotid sulcus. Let's share my experience with you.

What is congenital preauricular flaccidity?

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. 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 is the mark of incomplete fusion of the first branchial sulcus in embryo. It is one of the common ear diseases. According to domestic statistics, unilateral is more than bilateral. About 4:1. Women are more than men. The fistula is usually located in front of the auricular peduncle. The fistula may have branches and its wall is lined with stratified squamous epithelium. There were exfoliated epithelium and keratinization in the lumen. Due to infection and corruption, it can discharge odor secretions. If repeated infection can form cyst or abscess. The branches of fistulas are generally short except for those reaching the tympanic sulcus or the surface of the mammary sinus.

Congenital preauricular fistula is a common ear disease. It is caused by Malfusion of the first and second tubercles of parotid arch or incomplete closure of the first parotid sulcus. Fistula is a kind of blind tube which can be branched and curved, and its external opening is often located in the anterior and upper part of the auricular peduncle. The lumen was covered with stratified squamous epithelium, and there were scales in the lumen, which squeezed around the fistula, and occasionally a little viscous sebaceous substance overflowed from the fistula.

matters needing attention

1. If there is no history of infection, there is no need to deal with it. 2. In the case of acute infection, systemic antibiotics should be used to control inflammation, and incision and drainage should be performed first in the case of abscess. 3. Patients with infection history can be treated with fistulectomy after infection control. 4. Diet should be light, mainly lean meat or fresh eggs, avoid seafood fish and shrimp.