Types of Lesions

Thick, elevated lesions of such are hypertrophic, like a keloid. Ulcer An open lesion on the skin or mucous membrane of the body, accompanied by pus and loss of skin depth, A deep erosion or depression in the skin, normally due to infection or cancer.

Tutorial A: The Primary Lesions. Primary lesions are physical changes in the skin considered to be caused directly by the disease process. Types of primary lesions are rarely specific to a single disease entity. 1. MACULE. A macule is a change in the color of the skin.

Colloid nodules develop from a lack of iodine, which is a mineral essential to the production of thyroid hormones. These growths are noncancerous, but they may be large. Thyroid cysts are either filled with fluid, or a mixture of fluid and solid tissue. Hyperfunctioning thyroid nodules produce thyroid hormone, which may cause hyperthyroidism.

A papule is an area of abnormal skin tissue that is less than 1 centimeter around. A papule has distinct borders, and it can appear in a variety of shapes. Papules are often called skin lesions, which are essentially changes in the color or texture of your skin.

Pustular lesions: Pustular lesions are abnormal tissues that contain pus. See detailed information below for a list of 12 causes of Pustular lesions, Symptom Checker, including diseases and drug side effect causes.

A skin lesion can be a rash, mole, wart, cyst, blister, bump, discoloration and other changes that you may notice on your skin. A skin lesion can be a result of a simple scrape or cut or as serious as a pre-cancerous mole or mark.

As anyone who has had wheals knows, they can be intensely, infuriatingly itchy. Wheals reflect circumscribed dermal edema (fluid collection in the layer of skin below the surface). A wheal is also sometimes called a welt and often a hive.