Osteofolliculitis

Etiology, pathogenesis of ostiofolliculitis

The causative agent of staphylococcus. Predisposing factors are non-compliance with personal and public hygiene rules, hyperhidrosis, overheating and cooling, maceration and microtrauma of the skin, decreased immunity, skin contamination.

Clinic of Ostiofolliculitis

The pustule is localized at the mouth of the hair follicle. Initially, an inflammatory spot appears up to 5-7 mm in diameter around the hair. Then, on its surface, a hemispherical shape is formed, up to 3-5 mm in diameter, a yellow-white colored pustule with a dense tire, pierced by hair and surrounded by a corolla of hyperemia. For 3-5 days, the pustule dries into a yellow crust. If it is opened, yellow pus is secreted and erosion is formed, which is covered with a crust. After rejection of the crust, a temporary pink-brown spot remains, peeling. Rashes can be single or multiple. More often localized in the beard, mustache, less often on the scalp (in children), often on the trunk, limbs. The disease has a tendency to self-healing.

Differential diagnosis of ostiofolliculitis

Pseudofurunculosis Inflammation of the eccrine sweat glands. Rashes appear in prematurely weakened babies and are mainly localized on the scalp, back, buttocks, hips, less often in other areas. The affected sweat gland is surrounded by inflammatory infiltrate and is palpated in the form of a painful node up to 5 mm or more in diameter. At first the knot is of a solid consistency, and then it becomes soft. Purulent fusion of the gland occurs, abscessing and subsequent formation of an ulcer, which is then scarred. Serious complications of phlegmon, sepsis can occur. Acneiform syphilis. Localization of rashes is associated with sebaceous glands and hair sacs (scalp, forehead, chest, interscapular region), where follicular papules up to 1-3 mm in diameter are clearly distinguished from healthy skin. At the top of the nodule, a conical or spherical pustule is determined 2-3 mm in diameter with purulent exudate, which shrinks into a yellowish-brownish crust. The crusts disappear and barely noticeable, dented, pigmented scars remain. Characteristic: slow flow, scarce rashes, the temperature does not rise. Prodromal symptoms (fever, chills, arthralgia) may precede the rash. Serological reactions (RV, RIF, RIBT) are positive.  
 

Ostiofolliculitis treatment

In common forms, antibiotics, vitamins, restorative drugs, general ultraviolet radiation. Pustules and crusts are removed. Pustules tires are opened and washed with a 3% hydrogen peroxide solution. Then the foci are smeared with alcohol solutions of aniline dyes. After drying, it is treated with disinfecting aerosols, ointments, pastes, creams, emulsions (erythromycin, tetracycline ointments, 5% streptocidal and synthomycin emulsions, etc.). The skin around the lesions is wiped with disinfectant solutions (salicylic, camphor, boric alcohol).

local_offerevent_note April 2, 2020

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