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.
Abscess is a condition in which a person has an infection in a part of his body, and the infection is being surrounded and fought off by his white blood cells, causing a lump of purulent whitish thick material (pus) where the infection is.