Dermatology - Seborrheic Keratosis
Seborrheic keratosis is the most prevalent of the benign epithelial tumors. It is a disorder that is inherited and usually invariably manifests itself after the age of thirty. The number of lesions that continue to appear after the commencement of the condition ranges from a few to hundreds. Men experience the condition slightly more frequently and, in most cases, their involvement is more extensive. Typically, lesions do not cause itching and develop over a period of months to years. Secondary infection is a possibility, and it might result in soreness. lesions (plural) Papules that are barely raised and range in diameter from one to three millimeters initially appear as lesions. Plaques that are greater in size, with or without pigment, are observed later on. When viewed through a hand lens, the surface exhibits a greasy texture and fine stippling that is similar to the surface of a thimble. The plaques eventually develop a warty surface and what appears to be a "stuck on" appearance. Both a hand lens and a dermoscope are diagnostic tools that can be used to examine horn cysts. Horn cysts can be viewed with a hand lens. Lesions can be localized or widespread, and they can appear anywhere on the body, including the face, trunk, and upper extremities. An individual is said to have dermatosis papulosa nigra if they have several little black lesions on their face and if they have dark skin. This condition is found in women and occurs in submammary intertriginous areas. Confluence of lesions is a possibility. Clinicians are the ones who make the diagnosis. Solar lentigo and spreading pigmented actinic keratosis are two factors that are included in the differential diagnosis of tiny tan lesions. Subsequently, the larger plaques, if pigmented, are a differential diagnosis that includes basal cell carcinoma, melanoma, and squamous cell carcinoma. These types of carcinomas need to be eliminated through the use of a biopsy or dermoscopy. The appearance of verruca vulgaris is comparable to that of seborrheic keratosis; however, verruca can be distinguished from seborrheic keratosis by the presence of thrombosed capillaries. A curettage performed after mild freezing is the most effective method, and it also enables a histologic examination to be performed in order to rule out the possibility of cancer. Lesions are benign and do not require treatment (save for cosmetic reasons). Light electrocautery makes it possible to remove the entire tumor with relative ease; nevertheless, this procedure should only be carried out once it has been determined that the lesion is not cancerous. It is only possible to perform cryosurgery using liquid nitrogen spray on lesions that are flat.
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