[Micro Popular Science] Beaded nodules on the skin, beware of sporotrichosis!
Sporotrichosis is a common fungal infection, zoonotic disease, caused by sporotrichosis Schenck complex infection, especially in northeast China.
Sporotrichia exists widely in nature, is a saprophytic bacteria of soil, wood and plants, when the skin trauma, broken, pathogenic bacteria can take the opportunity to infect the skin, invade the body.
Cutaneous sporotrichosis can be divided into fixed, lymphatic and disseminated forms. In rare cases, multiple organ infections can also occur.
Fixed sporotrichosis: The onset of 1-4 weeks after infection, the damage is limited to the pathogenic bacteria near the site of invasion, manifested as papules, pustules, nodules, plaques, ulcers, scabs and other changes, usually occur in the face, limbs and other exposed areas. This type is the most common. (Figure 1)
Figure 1. Fixed sporotrichosis
Lymphangiotype sporotrichosis: the skin lesions initially appear as nodules, plaques, ulcers, etc., red, purple or black, and other similar new lesions appear in the nearby area after a few weeks or months, typical lesions can be linked into a string of nodules, with certain characteristics. (Figure 2)
Figure 2. Lymphangiosporotrichosis
Disseminated sporotrichosis: caused by self-inoculation infection or blood system dissemination, involving more parts, lesions can appear in the head and face, trunk, limbs, etc., generally in people with low immunity, such as alcoholics, diabetes, tuberculosis, malignant tumors, organ transplant people.
Patients suspected of sporotrichosis can see a regular hospital, improve skin histopathology, tissue culture and other examinations to further clarify the diagnosis.
For patients with confirmed sporotrichosis, itraconazole, terbinafine, potassium iodide, amphotericin B and other drugs can be selected for treatment, and the above drugs should be applied under the guidance of a doctor!
High-risk groups, such as farmers, people with low resistance, forest workers, etc., wear gloves to avoid skin trauma, and seek medical attention in a regular hospital in case of suspicious symptoms.
Contributed by: Liu Wei Attending physician, the First Hospital of Jilin University
Reviewer: Li Shanshan, Chief physician, The First Hospital of Jilin University
(The opinions expressed are solely those of the author. Some pictures in this article are from the Internet, if there is infringement, contact delete)