Lesion

When a lesion (from the Latin laesio, injury ') is a damage, injury or disorder refers to an anatomical structure or physiological function.

Lesion: injury, injury

Injury in the proper sense is any externally applied wounding of physical integrity, ie a trauma (such as a result of an accident ). If this causes multiple damage to, is also spoken by a multiple injury or, in a life-threatening multiple injury, polytrauma.

As lesions, the different appearances of the skin for skin diseases referred to: blisters ( vesicles ), blisters ( bullae), crusts ( Crustae ), papules ( papillae ), nodules ( nodules ), ulcers (ulcers ) (see also predominant primary ). The doctors speak in these cases of vesicular, bullous, encrusted or crusted, papular, nodular or ulcerated lesions, the characteristics of each different diseases are able to or be.

In medical imaging (radiology ) Districts with altered signal behavior can be summarized as lesions, or because their origin (inflammation, parasite, tumor, injury, wear and tear ... ) is not yet known. The direction of the signal change is specified according to the mapped physical property of the tissue usually with the prefix hypo- ( = less) or hyper- ( = more):

• In magnetic resonance imaging: hypointense, hyperintense;
• In nuclear medicine: just as, for hypointense also " photopenisch " or colloquially as " cold" and "hot";
• (also called " lightening " ) hypodense or hyperdense ( " shading ");: X-ray examinations
• With ultrasound imaging: reduced or increased echogenicity.

Functio laesa

The Functio laesa the disturbed function, according to Celsus and Galen is one of the five characteristic features of inflammation as well as the symptom of a bone fracture.

Blemish

The blemish (probably contamination of lesion and Blessur ) is a minor damage, minor damage, even of things.