Skin and soft tissue infections

Introduction Skin and soft tissue infections include folliculitis, sputum, sputum, lymphangitis, acute cellulitis, burn wound infection, post-operative incision infection, and acne infection. The most common pathogen of folliculitis, sputum, sputum and wound infection is Staphylococcus aureus; lymphangitis and acute cellulitis are mainly caused by Streptococcus pyogenes; acne infection is often a mixed infection of aerobic and anaerobic bacteria. Skin and soft tissue infections are widespread and accompanied by systemic symptoms such as fever, or those with comorbidities are complex skin and soft tissue infections; those with no such conditions are simple skin and soft tissue infections.

Cause

Usually bacterial infection, pathogenic bacteria are mostly Staphylococcus aureus, Streptococcus hemolyticus, Escherichia coli and so on.

an examination

Related inspection

Blood routine surgical examination of whole blood glucose Hb

Signs:

The clinical manifestations are mainly red, swollen, hot and painful in the lesions. In some cases, fever and white blood cells may be associated.

(1) Pain: It is a must-have symptom of infection. In some areas, the pain is severe. If the finger infection causes the night to be paralyzed.

(2) Swelling: First, local swelling, redness of the skin, slight fever and induration of the skin by hand. This is due to an increase in blood circulation after local infection, and a large amount of liquid infiltrates into the interstitial space to cause swelling.

(3) Fever: small infections may not be hot; larger infections may have low fever, even high fever and chills, and the pulse is accelerated.

(4) Flow of pus and blood: tissue infection necrosis liquefaction into pus, forming one or several pustules, pus bleeding after rupture.

Differential diagnosis

Identify different types of sputum, sputum, acute cellulitis.

At the beginning of the sputum, red, swollen, painful and indurated knots appeared on the skin, which became a cone-shaped bulge and tenderness. Then there was a yellow-white pus on the hard-topped top, surrounded by a red hard disk, and the patient felt itch, burning sensation and jumping pain. After the pus is ruptured, the pain is relieved after a little pus is removed, or a pus is formed at the top, separated from the surrounding tissue, and the inflammation gradually subsides, and the wound heals itself. In addition to the swelling of the lymph nodes in the drainage area, there is generally no obvious systemic symptoms. If improperly handled, such as random scratching or squeezing pus, hot compress, drug burning corrosion and improper incision, etc., can promote the spread of inflammation. The sputum located in the upper and lower lips and the nose is abruptly deteriorated due to its location in the dangerous triangle of the face. The local redness, swelling, and pain range is increased, accompanied by cellulitis or eruption into a sputum; even a sponge Sinus thrombophlebitis, sepsis or sepsis.

It occurs in the lips (lips), the upper lip is more than the lower lip, and more men than women. The extent of infection and the depth of tissue necrosis are both severe and severe pain. When acute inflammation and necrosis occur in most hair follicles, sebaceous glands and surrounding tissues, a rapidly expanding magenta inflammatory infiltrating mass can be formed. The infection can affect the subcutaneous fascia and muscle tissue. In the initial stage, the surrounding tissue is also necrotic. After the necrotic tissue is dissolved and discharged, most of the honeycomb cavity can be formed. Subsequently, the skin, mucous membranes or subcutaneous tissue between the cavities can also be necrotic, resulting in a purple-red color in the upper part of the lesion area; invasive edema around the deep and deep tissues.

Local symptoms of acute cellulitis are red, swollen, hot, and painful. Infections caused by aerobacteria can also have sputum sounds, and even cellulite and fascia necrosis. Systemic symptoms are often accompanied by chills, fever, fatigue and other manifestations. Deep cellulitis can cause chills, high fever, convulsions, etc. Laryngeal edema can occur in the mouth, submandibular, and neck cellulitis; compression of the trachea can cause difficulty breathing, or even suffocation.

The material in this site is intended to be of general informational use and is not intended to constitute medical advice, probable diagnosis, or recommended treatments.