👉 A staphylematoma is a condition in which an organism, such as a bacterium or mycelium from a fungus, grows on the skin of another organism. This can happen when the body's immune system attacks healthy skin cells and disrupts normal cell function. Staphylematomas are often associated with infections caused by staphylococci, a group of bacteria that is found in the gut and other parts of the body. They can be painful, causing discomfort or