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.
An abscess is an infection of the soft tissue that results in a pooling of pus. They are typically caused by bacteria, parasites or foreign substances. When near the surface of the skin, abscesses are obvious to the eye, appearing red and swollen. Abscesses are often painful.