They are typically yellow or white in color and may be accompanied by hair growth. Sebaceous cysts are often dome-shaped and have a smooth surface. These cysts are typically found on the face, neck, or upper body and can range in size from a few millimeters to several centimeters. They form when sebum accumulates in a sebaceous gland and blocks the gland’s duct. The soles of your feet and the palms of your hands are the only exceptions. Sebaceous cysts can affect almost every part of your body. True sebaceous cysts are uncommon and originate from your sebaceous glands, unlike epidermoid cysts, which develop on the skin, and unlike pilar cysts, which develop in hair follicles. Sebaceous cysts ( pictured to the right) are the most serious of the three types of skin cysts. Pilar cysts are typically round or oval in shape and have a smooth, firm surface. These cysts are most commonly found on the scalp, but can also occur on other areas of the body such as the face or arms. They form when a hair follicle becomes clogged and sebum, an oily substance produced by the sebaceous glands, accumulates. Pilar cysts are also known as trichilemmal cysts. An epidermoid cyst may be painful if it becomes inflamed, infected, or ruptures. They are generally round and firm and have a yellow or white appearance. These cysts typically occur on the face, neck, chest, or back and can range in size from a few millimeters to a few centimeters. They form when keratin, a protein found in the skin, clogs sebaceous glands. Epidermoid CystsĮpidermoid cysts are the most common type of skin cyst. In today’s article, we will take a closer look at each kind of cyst and discuss the risks associated with them, as well as the recommended course of treatment. All three types of cysts that we will be speaking about in this article are typically non-cancerous, but it’s possible that they can become cancerous. It’s also important to note that while we often immediately think of cancer when we hear the word “cyst,” not all cysts are cancerous. While they may look similar to the untrained eye, there are some distinct differences between these types of cysts. There are three main types of cysts that can form on the skin, sebaceous cysts, epidermoid cysts, and pilar cysts.
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