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 area of infected tissue that collects in part of the body. An abscess might appear on the skin, under the skin, in a tooth, or even deep inside the body. On top of the skin, an abscess may look like an unhealed wound or a pimple. Underneath the skin, it may create a swollen bump. A skin abscess might hurt and feel warm when you touch it.