Lesion Configuration (Secondary Morphology) Configuration is the shape of single lesions and the arrangement of clusters of lesions. Linear lesions take on the shape of a straight line and are suggestive of some forms of contact dermatitis.
How do you characterize skin lesions?
Primary Morphology
- Macule – flat lesion less than 1 cm, without elevation or depression.
- Patch – flat lesion greater than 1 cm, without elevation or depression.
- Plaque – flat, elevated lesion, usually greater than 1 cm.
- Papule – elevated, solid lesion less than 1 cm.
- Nodule – elevated, solid lesion greater than 1 cm.
What is a discrete lesion?
Discrete—lesions are distinctly separate from each other with identifiable borders. Grouped—lesions appear in clusters or groups. Intertriginous—appearing within the skin folds. Localized—restricted to one particular body area.
What characteristics of a lesion does its configuration describe?
Configuration of lesions Configuration refers to the shape or outline of the skin lesions. Skin lesions are often grouped. The pattern or shape may help in diagnosis as many skin conditions have a characteristic configuration.
What does lesion mean on ultrasound?
Pronounced “lee-sion” with the emphasis on the “lee,” a lesion can be almost any abnormal change involving any tissue or organ due to disease or injury. There are numerous types of lesions with different naming classifications. Lesions can be categorized according to whether or not they are caused by cancer.
What is excitotoxic lesion?
Lesion caused by overactivity of neurons that may be associated with seizures or occur after a stroke. EXCITOTOXIC LESION: “An excitotoxic lesion is caused by over stimulation by amino acids.”.
What is a benign lytic lesion?
A “lytic bone lesions” is an area in which the bone appears to have been eaten away, leaving a clear area. In this case, the CT scan seems to show that there is a eaten away area of bone in the right parietal bone, which is the bone on the right side of your temple region. Many times, lytic lesions are because of cancer.
What is a destructive lesion?
A definition of the medical term “destructive lesion” is presented. Destructive lesion refers to the pathological change such as an infection, tumor or injury which causes the death of tissue or an organ.
What is a linear lesion?
Linear lesions in dermatology are commonly encountered. They vary in cause; being congenital or acquired; vary in morphology and can present as macules, papules, patches, plaques, vesicles or nodules; they can be inflammatory or non inflammatory; it can be a single lesion which is linear or multiple lesions which are arranged in a linear pattern.
