These mites are largely parasitic and consume blood, skin and keratin. Dust mites, which feed mostly on dead skin and hair shed from humans instead of consuming them from the organism directly, evolved from these parasitic ancestors.
Hypertrophic scar (4 months after incident) A hypertrophic scar is a cutaneous condition characterized by deposits of excessive amounts of collagen which gives rise to a raised scar, but not to the degree observed with keloids. Like keloids, they form most often at the sites of pimples, body piercings, cuts and burns. They often contain nerves and blood vessels.
Keloid. Keloids and hypertrophic scars are formed by the bodyâs exaggerated healing response to wounds and injuries. When you get a cut or a wound the body will heal itself by closing the defect with fibrous tissue. This can sometimes leave a small mark known as a scar.eloids/ hypertrophic scars are a very common lesion. Practially everyone in Singapore knows or has seen someone with an unsually large firm fleshy (or sometimes red) lesion over the left deltoid region (the so-called BCG scar).