Type of Leprosy Skin Lesions

Dhealthwellness.com – There are many different types of leprosy skin lesions, with each one presenting a different presentation and clinical course. Leprosy skin lesions are typically skin-colored nodules that are soft and succulent. They appear on otherwise normal skin, and the nodules have clusters of histiocytes, a type of cell involved in the inflammatory response. Histiocytes are present in an indeterminate, storiform cluster and are surrounded by a grenz zone, an area of collagen separating the lesion from the surrounding tissue.

Sensitivity Test for Measurement of Skin Lesions

The WHO Leprosy Guidelines specify the sensitivity test to determine whether a leprosy patient has the disease. It is an alternative to the traditional method of obtaining a slit skin smear. This method involves measuring skin lesions with a standard clinical test for pain and thermal sensitivity. These methods do not require extensive neurologic evaluations and are particularly useful in the field. However, they do not always meet the WHO Leprosy Guidelines.

The symptoms of leprosy begin 1 year after infection and progress slowly. During an outbreak, the skin is affected as well as peripheral nerves. The peripheral nerve involvement is what causes the numbness and weakness that are associated with the disease. Some types of leprosy involve central hypopigmented macules and peripheral nerve damage. As a result, the affected areas are numb or have palpable enlarged peripheral nerves.

The World Health Organization categorizes leprosy into MB and PB leprosy. MB leprosy is borderline-borderline or lepromatous, and PB leprosy includes patients who have both types. Both of these types of lesions must be distinguished from other diseases such as lymphoma, neurofibromatosis, and xanthoma.

Molecular Analysis Shows that Inflammatory Response in Leprosy

Molecular analysis has shown that the inflammatory response in leprosy is closely related to the immune response of the host. Activated caspase-1 and IL-18 release cytosolic proteins. These proteins are responsible for the inflammatory response and may also contribute to pyroptosis. The cytoplasm of leprosy cells is also stained brown, indicating that they are immune-mediated.

Inflammatory reactions to the inflammatory reaction to the leprosy infection can occur in a wide variety of locations. Although most leprosy skin lesions are painless, patients often have a reduced sense of touch, and cannot perceive pain or temperature. This causes patients to inadvertently harm themselves and their health. In some cases, repeated damage can cause digits to fall off, while muscle weakness results in deformities.

The leprosy disease is a chronic infection caused by the bacterium Mycobacterium leprae. It affects the skin and the peripheral nervous system. A diagnosis is usually made via a skin examination and biopsy. After beginning therapy, the patient quickly becomes non-contagious. Despite its slow progression, it can have devastating consequences. Historically, people considered infected individuals outcasts because of the disfiguring effects of their leprosy skin lesions.

Borderline Leprosy is a Relatively Common Type of Leprosy

Borderline leprosy is a relatively common type of leprosy, and is often characterized by widespread nodular infiltrates or plaques of various sizes. These lesions are often symmetrically distributed and exhibit minimal bacilli, but are also often associated with extensive axonal damage. Patients with borderline leprosy are at risk for severe nerve damage and neuropathy.

Currently, the recommended treatment for multibacillary leprosy is six months of multidrug therapy. A trial conducted in India and P. R. China, the treatment has been deemed to be effective in preventing five-year cumulative relapse and to evaluate the acceptability, safety, and compliance. The study included new-diagnosed leprosy patients who were treatment-naive.

Patients with leprosy are generally followed by their primary care physician. After the initial diagnosis, health care professionals may consult with neurologists, dermatologists, and immunologists, depending on the severity of the disease. Surgical procedures may also be necessary. But the best treatment for leprosy skin lesions is a holistic approach. The disease is treatable and can be cured. This article will explore different methods to treat leprosy skin lesions.


Talhari, Carolina, Sinésio Talhari, and Gerson Oliveira Penna. “Clinical aspects of leprosy.” Clinics in dermatology 33.1 (2015): 26-37.

Modlin, Robert L., et al. “Learning from lesions: patterns of tissue inflammation in leprosy.” Proceedings of the National Academy of Sciences 85.4 (1988): 1213-1217.

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