Lesion

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lesion

 [le´zhun]
any pathological or traumatic discontinuity of tissue or loss of function of a part. Lesion is a broad term, including wounds, sores, ulcers, tumors, cataracts, and any other tissue damage. They range from the skin sores associated with eczema to the changes in lung tissue that occur in tuberculosis.
Kimmelstiel-Wilson lesion a microscopic spherical hyaline mass surrounded by capillaries, found in the kidney glomerulus in the nodular form of intercapillary glomerulosclerosis.

le·sion

(lē'zhŭn),
1. A wound or injury.
2. A pathologic change in the tissues.
3. One of the individual points or patches of a multifocal disease.
[L. laedo, pp. laesus, to injure]

lesion

/le·sion/ (le´zhun) any pathological or traumatic discontinuity of tissue or loss of function of a part.
angiocentric immunoproliferative lesion  a multisystem disease consisting of invasion and destruction of body tissues and structures by atypical lymphocytoid and plasmacytoid cells resembling a lymphoma, often progresssing to lymphoma.
Armanni-Ebstein lesion  vacuolization of the renal tubular epithelium in diabetes.
benign lymphoepithelial lesion  enlargement of the salivary glands with infiltration of the parenchyma by polyclonal B cells and T cells, atrophy of acini, and formation of lymphoepithelial islands.
Blumenthal lesion  a proliferative vascular lesion in the smaller arteries in diabetes.
central lesion  any lesion of the central nervous system.
Ghon's primary lesion  Ghon focus.
Janeway lesion  a small erythematous or hemorrhagic lesion, usually on the palms or soles, in bacterial endocarditis.
primary lesion  the original lesion manifesting a disease, as a chancre.

lesion

(lē′zhən)
n.
Any of various pathological or traumatic changes in a bodily organ or tissue, including tumors, ulcers, sores, and wounds.
tr.v. le·sioned, le·sioning, le·sions
To cause a lesion to form on or in.

lesion

[lē′zhen]
Etymology: L, laesus, an injury
1 a wound, injury, or pathological change in body tissue.
2 any visible local abnormality of the tissues of the skin, such as a wound, sore, rash, or boil. A lesion may be described as benign, cancerous, gross, occult, or primary.

lesion

(1) Any pathological or traumatic discontinuity of tissue or loss of function of a part; a wounded or damaged area; an anatomic or functional tissue defect; an area of abnormal tissue change.
 
(2) A nebulous, nonspecific term used by a doctor when discussing a lump or bump with a patient.

lesion

 Medtalk
1. A wounded or damaged area; an anatomic or functional tissue defect; an area of abnormal tissue change.
2. A nebulous nonspecific term used by a physician when discussing a lump or bump with a Pt. See Mass.

le·sion

(lē'zhŭn)
1. A wound or injury.
2. A pathologic change in the tissues.
3. One of the individual points or patches of a multifocal disease.
[L. laedo, pp. laesus, to injure]

lesion

A useful and widely used medical term meaning any injury, wound, infection, or any structural or other form of abnormality anywhere in the body. Doctors would be at a loss without this term, but it is commonly wrongly regarded by lay people as implying some specific condition such as an adhesion. The word is derived from the Latin laesio , an attack or injury.

lesion

a localized area of diseased tissue.

Lesion

Any visible, local abnormality of the tissues of the skin, such as a wound, sore, rash, or boil.

lesion

Localized, pathological change in a tissue due to injury or disease.

le·sion

(lē'zhŭn)
1. Wound or injury.
2. Pathologic change in tissues.
3. One of the individual points or patches of a multifocal disease.
[L. laedo, pp. laesus, to injure]

lesion

any pathological or traumatic discontinuity of tissue or loss of function of a part. Lesion is a broad term, including wounds, sores, ulcers, tumors, cataracts and any other tissue damage. They range from the skin sores associated with eczema to the changes in lung tissue that occur in tuberculosis.
Enlarge picture
Terms describing distribution of lesions. By permission from Slauson DO, Cooper BJ, Mechanisms of Disease: A Textbook of Comparative General Pathology, Mosby, 2001

target lesion
see target lesion.