Cutaneous Lesions -- Lesson 251
In this post we are going to learn about cutaneous lesions. Then what is cutaneous lesions? The damaged tissue area caused by disease or trauma is called a lesion. The terms 1. Cyst, 2. Fissure, 3. Macule, 4. Papule, 5. Polyp, 6. Pustule, 7. Ulcer, 8. Vesicle, 9. Wheal are the terms to describe common skin lesions. Let us learn about them briefly. 1. Cyst: - A Cyst is defined as a thick-walled, closed sac or pouch containing fluid or semisolid material. Examples of Cysts are 1. Pilonidal cyst, which is found over the sacral area of the back in the midline and contains hairs (in which pil/o means hair, nid/o means nest); and sebaceous cyst, which is a collection of yellowish, cheesy sebum commonly found on the scalp, vulva, and scrotum. 2. Fissure: - A fissure is a groove or crack-like sore. An anal fissure is abreak in the skin lining and anal canal. 3. Macule: - A macule is a discolored falt lesion or often reddened. The examples of this macule are freckles, tatt