Treatment for Tree Lichen. While lichen on tree bark is harmless, some people find it not very pretty to look at and would like to learn how to kill tree lichen. One way is to gently scrub the bark of the tree with a soapy solution. Since lichen on tree bark is only lightly attached, it should come off easily.
Brodie's abscess is a disease of the bone observed most commonly in the long bones like the femur and the tibia. It is a form of osteomyelitis or bone infection and is considered a subacute form, as the symptoms differ from those observed in patients with acute osteomyelitis.
Pilonidal Cysts: How Terrasil Speeds the Healing Pilonidal Cysts (pilonidal abscesses) are large boil-like bumps that develop at the base of the tailbone. Bumps are initially swollen and painful, and cause redness in the surrounding skin. Over time, cysts fill with pus and become even more irritated.