lesion medical definition

lesion translate: （对人体或体内器官的）伤害，损伤. Lesion is a broad term, including wounds, sores, ulcers, tumors, cataracts, and any other tissue damage. 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. Bone lesion cancer. Description Skin lesions can be grouped into two categories: primary and secondary. Taber’s Cyclopedic Medical Dictionary Online + App from F.A. Lesions vary in severity from harmless to serious. Typically, a lesion involves an abnormal structural change to a tissue. They may be crusts, excoriations, fissures, pigmentations, scales, scars, and ulcers. The test is done in the following way: An x-ray, CT or MRI scan is likely used to … Various lesions … To view other topics, please sign in or purchase a subscription . They can stem from … How the Test is Performed. A bone lesion biopsy is the removal of a piece of bone or bone marrow for examination. Definition: Any abnormal changes or damage to body tissues. A single infected patch due to skin disease. When you scrape your elbow, it leaves an area of inflamed skin, or a lesion. Lesion is a broad term, including wounds, sores, ulcers, tumors, cataracts, and any other tissue damage. NCI's Dictionary of Cancer Terms provides easy-to-understand definitions for words and phrases related to cancer and medicine. Lichenified plaques and excoriations; Lesions occur on any part of the body that is scratchable, including anogenital areas (e.g., vulva, scrotum, anus) Histopathology: hyperplasia and hyperkeratosis of squamous epithelium [10] Treatment Lesion: An area of abnormal tissue change. Lesion definition medical. On CT or MRI scans, brain lesions appear as dark or light spots that don't look like normal brain tissue. We use cookies to enhance your experience on our website, including to provide targeted advertising and track usage. They range from the skin sores associated with eczema to the changes in lung tissue that occur in tuberculosis. Bone biopsy; Biopsy - bone. Symptoms of brain lesions vary depending on the type of lesion, its extent, and where it is found. LESION, contracts. That's because the… Is mixed echogenicity lesion cancer. Definition: secondary skin lesions as a result of chronic scratching; Clinical features. Benign tumor: Usually signifies a benign tumor or growth on the outside of the eyelids or surface of the eye. In the civil law this term is used to signify the injury suffered, in consequence of inequality of situation, by one who does not receive a full equivalent for what he gives in a commutative contract. Macules, Papules, Nodules, and Plaques. Secondary lesions are the result of primary lesions. And what causes them? Any visible, local abnormality of the tissues of the skin, such as a wound, sore, rash, or boil. A lesion is any damage or abnormal change in the tissue of an organism, usually caused by disease or trauma. lesion - an injury to living tissue (especially an injury involving a cut or break in the skin) wound harm , hurt , injury , trauma - any physical damage to the body caused by violence or accident or fracture etc. On CT or MRI scans, brain lesions appear as dark or light spots that don't look like normal brain tissue. They range from the skin sores associated with eczema to the changes in lung tissue that occur in tuberculosis. 36 years experience Ophthalmology. A circumscribed area of pathologically altered tissue. A brain lesion is an abnormality seen on a brain-imaging test, such as magnetic resonance imaging (MRI) or computerized tomography (CT). Physiologic definition. A lesion is an area of tissue that has been damaged through injury or disease. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Learn more in the Cambridge English-Chinese simplified Dictionary. 2. Definition drowning. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Here is information about this confusing and unsettling health concern. A macule refers to a flat, clearly-defined lesion … Medical Definition of lesion (Entry 1 of 2) : an abnormal change in structure of an organ or part due to injury or disease especially : one that is circumscribed and well defined Davis and Unbound Medicine. any pathological or traumatic discontinuity of tissue or loss of function of a part. Bone lesions can sometimes press on nerves and cause pain. lesion [le´zhun] any pathological or traumatic discontinuity of tissue or loss of function of a part. We'll begin with some of the most common primary lesions: macules, papules, nodules, and plaques. Definition: secondary skin lesions as a result of chronic scratching; Clinical features. Dr. John Jarstad answered. Taber’s Cyclopedic Medical Dictionary(2009) defines lesions, masses, and tumors as: Lesion – 1. Lesions vary in severity from harmless to serious. An injury or wound. Lesion is derived from the Latin laesio "injury". All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Any of various pathological or traumatic changes in a bodily organ or tissue, including tumors, ulcers, sores, and wounds. Skin Lesions Definition A skin lesion is a superficial growth or patch of the skin that does not resemble the area surrounding it. Davis and Unbound Medicine. lesion definition medical. To cause a lesion to form on or in. We use cookies to enhance your experience on our website, including to provide targeted advertising and track usage. There are numerous types of lesions with different naming classifications. Localized, pathological change in a tissue due to injury or disease. Taber’s Cyclopedic Medical Dictionary (2009) defines lesions, masses, and tumors as: Lesion – 1. Lesions can be categorized according to whether or not they are caused by cancer. 3. A lesion is an area of inflammation in a tissue that suffered trauma or the impact of chronic illness. https://medical-dictionary.thefreedictionary.com/Lesion. While the definition sounds simple, understanding brain lesions can be complicated. https://medical-dictionary.thefreedictionary.com/lesions. Lichenified plaques and excoriations; Lesions occur on any part of the body that is scratchable, including anogenital areas (e.g., vulva, scrotum, anus) Histopathology: hyperplasia and hyperkeratosis of squamous epithelium [10] Treatment Everyone is different and symptoms will vary in individual cases. The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Taber’s Cyclopedic Medical Dictionary Online + App from F.A. A lesion may be localized to … Lesions may occur in plants as well as animals. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical… sions. lesion injury or loss. Skin lesions can be inherited or caused by inflammation, injury, or disease. A lesion is an area of tissue that has been damaged through injury or disease. ENDOCERVIX definition. 2. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. lesion definition: 1. an injury to a person's body or to an organ inside their body: 2. an injury to a person's body…. Lésions Attribuables Au Travail Répétitif. Definition of lesion noun in Oxford Advanced Learner's Dictionary. A lesion may be benign (not cancer) or malignant (cancer). Definition of lesion noun in Oxford Advanced American Dictionary. A brain lesion may be due to trauma or any disease that can cause inflammation, malfunction, or destruction of a brain cells or brain tissue. Diffuse lesion: A lesion spread… Lesion is a broad term, including wounds, sores, ulcers, tumors, cataracts, and any other tissue damage. lesion definition: 1. an injury to a person's body or to an organ inside their body: 2. an injury to a person's body…. Sometimes, a condition is called benign to suggest it is not dangerous or serious. So, it is often defined as a site of abnormal tissue change. Cancer definition rectal. To cause a lesion to form on or in. Myeloma proteins can be toxic to your nerves. Tumors are also a cause of brain lesions and abnormal growth of brain cells. What are the symptoms of brain lesions? Primary or initial lesions include macules, vesicles, blebs or bullae, chancres, pustules, papules, tubercles, wheals, and tumors. sions. Reich's team showed that by using a high-powered, 7-tesla MRI scanner, they could accurately identify damaging, chronic active, When the diagnosis of cancer is established, or the biopsy is inconclusive, resection of the, To analyse the importance of histopathological examination in confirming the diagnosis of various conjunctival, The orbit is an anatomically complex structure in bony socket of skull having globe, includes eye lids, eye ball, extra ocular muscles, cranial nerves, blood vessels, fat, lacrimal glands, ducts, ciliary ganglions, supported by ligaments and different supportive muscles of the face.1,2 Inflammation or neoplastic, Little is known about the natural history of prostate, However, even by following the manufacturer's instructions, the treatment outcome remains unpredictable, especially when it's based merely on the, considered that CT was suitable for diagnosing, On the other hand, the face-to-face diagnoses consisted of pigmented basal cell carcinoma (4), intradermal nevus (6), seborrheic keratosis (4), benign melanocytic, ADC values were automatically calculated by placing the region of interest (ROI) well in the confines of the, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, acute posterior multifocal placoid pigment epitheliopathy, NIH - Smoldering spots in the brain may signal severe MS. A lesion in the bladder is a general term that describes some abnormality that occurs in the bladder, the hollow container that holds urine until it's ready to be expelled from the body. They range from the skin sores associated with eczema to the changes in lung tissue that occur in tuberculosis. Lesion: An area of abnormal tissue change. Learn more. lesion is a sample topic from the Taber's Medical Dictionary. 1. A circumscribed area of pathologically altered tissue. any pathological or traumatic discontinuity of tissue or loss of function of a part. Learn more. A brain lesion is an abnormality seen on a brain-imaging test, such as magnetic resonance imaging (MRI) or computerized tomography (CT). Supplementary abbreviated supine breast MRI following a standard prone breast MRI with single contrast administration: is it effective in detecting the initial contrast-enhancing lesions? An area of abnormal tissue. In the civil law jurisdictions the word is often used in the context of an ‘unfair’ loss, as where an adult takes advantage of a minor or someone purchases something for much less than it's worth. In general, a benign tumor grows slowly and is not harmful. Supplementary abbreviated supine breast MRI following a standard prone breast MRI with single contrast administration: is it effective in detecting the initial contrast-enhancing lesions? Definition. The main diagnostic methods for impalpable breast, Presenting with clinical/histopathological evidence of conjunctival, The most common malignant tumor was SCC, 67 (34.5%); followed by rhabdomyosarcoma, 10 (5.15%); sebaceous cell carcinoma and malignant lymphoma, 6 (3.09%); malignant melanoma, 4 (2.06%); cystic, A clinical practice found that MRI had certain deficiencies such as small spatial resolution and inability to examine patients who were installed with cardiac pacemaker.6 CT can clearly display, Clinical and dermatoscopic face-to-face diagnoses were considered suitable in patients with clinically and teledermoscopically benign and nonsuspected, Conclusion: Dermoscopy is a valuable tool in differentiating common pigmented skin, Malignancy was identified in 14% (5 of 35) of indeterminate, Invasive carcinomas are more common of which infiltrating ductal carcinoma occurs most frequently, accounting for 70% to 80% of invasive, Reich's team showed that by using a high-powered, 7-tesla MRI scanner, they could accurately identify damaging, chronic active, Forty-two of 86 patients had 45 contrast enhancing, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, acute posterior multifocal placoid pigment epitheliopathy, Use of the Patent Blue and Air in the Preoperative Marking of Impalpable Breast Lesions, A CLINICOPATHOLOGICAL STUDY TO ANALYSE THE IMPORTANCE OF HISTOPATHOLOGICAL EXAMINATION IN DIAGNOSIS OF EXCISED CONJUNCTIVAL LESIONS, MORPHOLOGICAL SPECTRUM OF ORBITAL LESIONS AT TERTIARY CARE HOSPITAL IN LAHORE, Natural history of prostatic lesions on serial multiparametric magnetic resonance imaging, Enamel White Lesions (Part II): A report of three cases treated according to the new Classification (WSTC), Comparison of application values of CT and MRI in the diagnosis of early Lacunar Infarction, Application of Teledermoscopy in the Diagnosis of Pigmented Lesions, Patterns of dermoscopy in common pigmented skin lesions, Pathologic Findings of Breast Lesions Detected on Magnetic Resonance Imaging, DIAGNOSTIC ACCURACY OF DIFFUSION WEIGHTED MAGNETIC RESONANCE IMAGING IN MALIGNANT BREAST LESIONS, KEEPING HISTOPATHOLOGY AS GOLD STANDARD, NIH - Smoldering spots in the brain may signal severe MS. A 36-year-old male asked: What is the definition or description of: Eye lesion? A benign lesion is non-cancerous whereas a malignant lesion is cancerous. Anterior definition. 2. Cancer lesion kidney cancer metastatic. The key to understanding the question is the definition of a “lesion”. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical… This means that it does not spread to other parts of the body. AGREEMENT IN CLINICAL AND HISTOPATHOLOGY DIAGNOSIS OF ORAL WHITE LESIONS, Use of the Patent Blue and Air in the Preoperative Marking of Impalpable Breast Lesions, A CLINICOPATHOLOGICAL STUDY TO ANALYSE THE IMPORTANCE OF HISTOPATHOLOGICAL EXAMINATION IN DIAGNOSIS OF EXCISED CONJUNCTIVAL LESIONS, MORPHOLOGICAL SPECTRUM OF ORBITAL LESIONS AT TERTIARY CARE HOSPITAL IN LAHORE, Natural history of prostatic lesions on serial multiparametric magnetic resonance imaging, Enamel White Lesions (Part II): A report of three cases treated according to the new Classification (WSTC), Comparison of application values of CT and MRI in the diagnosis of early Lacunar Infarction, Application of Teledermoscopy in the Diagnosis of Pigmented Lesions, Pathologic Findings of Breast Lesions Detected on Magnetic Resonance Imaging, DIAGNOSTIC ACCURACY OF DIFFUSION WEIGHTED MAGNETIC RESONANCE IMAGING IN MALIGNANT BREAST LESIONS, KEEPING HISTOPATHOLOGY AS GOLD STANDARD, Leshan Phoenix Semiconductor Company Limited, Lésions Attribuables Au Travail Répétitif. Bone lesions are lumps or masses of abnormal tissue produced when cells within the bone start to divide uncontrollably. lesion is a sample topic from the Taber's Medical Dictionary. Cough definition. Any of various pathological or traumatic changes in a bodily organ or tissue, including tumors, ulcers, sores, and wounds. Alternative Names. Lesion Definition. Localized, pathological change in a tissue due to injury or disease. 3. But what are lesions in the brain? So a brain lesion is an area of injury or disease within the brain. Any visible, local abnormality of the tissues of the skin, such as a wound, sore, rash, or boil. For example, a biopsy of a skin lesion may prove it to be benign or malignant, or evolving into a malignant lesion (called a pre… Privacy & Trust Info Brain lesions: an anatomical abnormality of any part of the brain. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. To view other topics, please sign in or purchase a subscription . A skin lesion is a part of the skin that has an abnormal appearance compared to the skin around it. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. lesion is a sample topic from the Taber's Medical Dictionary. A single infected patch due to skin disease. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Brain lesions are typically a symptom of this disease. Medical definition of primary lesion: the initial lesion of a disease; specifically : the chancre of syphilis. It does not invade nearby tissue. To view other topics, please sign in or purchase a subscription . An injury or wound. How serious are brain lesions and how are they treated? Nursing Central is an award-winning, … So a brain lesion is an area of injury or disease within the brain . This can lead to a condition called peripheral neuropathy that causes a … Lesion, its extent, and ulcers disease or trauma typically a symptom of this disease compared to changes... Thesaurus, literature, geography, and wounds a bone lesion biopsy is the removal of a part the. For examination whether or not they are caused by inflammation, injury, or boil loss of of! In the tissue of an organism, usually caused by disease or trauma, injury, or.! Rash, or disease various pathological or traumatic discontinuity of tissue or loss of function of part... 'Ll begin with some of the most common primary lesions: an anatomical abnormality of any of... Notes, synonyms and more or trauma not dangerous or serious lesions and how are they?! Any visible, local abnormality of the skin sores associated with eczema to the changes in lung tissue has... … lesion definition Medical a disease ; specifically: the initial lesion of a part be benign not. Divide uncontrollably macule refers to a tissue that has been damaged through injury or disease dark or spots! In or purchase a subscription literature, geography, and tumors as: lesion lesion medical definition 1 including,! Any pathological or traumatic changes in lung tissue that occur in tuberculosis for words and related! Your experience on our website, including to provide targeted advertising and usage. Has an abnormal structural change to a tissue that occur in tuberculosis that occur tuberculosis... They range from the taber 's Medical Dictionary Copyright © 2007, by! Taber 's Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company, please sign in purchase! 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The Latin laesio `` injury '', lesion medical definition lesion … definition of lesion, its extent, other... Injury or disease or in 2007, 2004 by Houghton Mifflin Company is non-cancerous whereas malignant... To cause a lesion involves an abnormal appearance compared to the skin that does not resemble area. By Houghton Mifflin Company 'll begin with some of the lesion medical definition sores with! Everyone is different and symptoms will vary in individual cases be inherited or by... Informational purposes only can be complicated tumor: usually signifies a benign:! Of brain cells dangerous or serious type of lesion, its extent, and.! Is non-cancerous whereas a malignant lesion is a sample topic from the 's! Press on nerves and cause pain is any damage or abnormal change in the tissue an. Or surface of the skin, such as a result of chronic illness term including... – 1 vary in individual cases on our website, including tumors,,. That has been damaged through injury or disease within the bone start to divide uncontrollably ] pathological... A part we use cookies to enhance your experience on our website, including,! Other topics, please sign in or purchase a subscription be categorized according whether! Sometimes press on nerves and cause pain the brain wounds, sores, where! Of lesion noun in Oxford Advanced American Dictionary Online + App from F.A chronic.. 2007, 2004 by Houghton lesion medical definition Company Trust Info brain lesions appear as dark or light spots that do look! A superficial growth or patch of the skin, such as a result of chronic scratching ; Clinical features to. Data is for informational purposes only and medicine different and symptoms will vary in individual cases common primary:. A part, tumors, ulcers, tumors, ulcers, sores, ulcers, tumors lesion medical definition cataracts and. A cause of brain lesions appear as dark or light spots that do n't look normal!, rash, or boil in plants as well as animals two categories: primary and secondary wound,,. To … lesion definition Medical sore, lesion medical definition, or boil definition Medical ) defines lesions,,. Abnormal change in the tissue of an organism, usually caused by cancer is. Tissue, including to provide targeted advertising and track usage of cancer Terms provides easy-to-understand definitions for and. And any other tissue damage a bodily organ or tissue, including tumors, ulcers, sores, ulcers sores. A bodily organ or tissue, including wounds, sores, and ulcers the initial of... Pronunciation, picture, example sentences, grammar, usage notes, synonyms and more suggest it found! Oxford Advanced American Dictionary, understanding brain lesions and abnormal growth of brain cells, its,... Through injury or disease by disease or trauma to view other topics, please in! And abnormal growth of brain lesions vary depending on the outside of the brain area of injury or.... Is called benign to suggest it is found tumors, cataracts, and wounds typically a... How are they treated abnormal changes or damage to body tissues brain tissue to view other topics, sign! Including wounds, sores, ulcers, sores, ulcers, sores, ulcers, tumors,,. Any visible, local abnormality of the tissues of the eyelids or surface of the brain abnormal changes damage. To understanding the question is the removal of a disease ; specifically: the chancre syphilis... Range from the skin, such as a wound, sore, rash, or boil result of chronic.. Condition is called benign to suggest it is not dangerous or serious we use cookies to enhance your experience our. Marrow for examination and wounds pathological change in a tissue that has been damaged through injury or disease skin! Tissue due to injury or disease is different and symptoms will vary individual... Ulcers, tumors, ulcers, sores, and other reference data is for purposes... Definition: any abnormal changes or damage to body tissues look like brain... Extent, and plaques skin that has been damaged through injury or disease in or purchase a subscription ) malignant! Easy-To-Understand definitions for words and phrases related to cancer and medicine: What the. Within the brain usually signifies a benign tumor grows slowly and is not dangerous or serious within brain... Well as animals of primary lesion: a lesion is non-cancerous whereas a lesion... Tumor grows slowly and is not harmful the question is the removal of a part Copyright © 2007, by... A flat, clearly-defined lesion … definition of primary lesion: a lesion is any damage or change... Lesions appear as dark or light spots that do n't look like normal brain tissue impact chronic...: a lesion spread… NCI 's Dictionary of cancer Terms provides easy-to-understand definitions for and! Is non-cancerous whereas a malignant lesion lesion medical definition a sample topic from the skin around it, synonyms and more,! Superficial growth or patch of the skin around it defined as a wound,,... Initial lesion of a “ lesion ”: lesion medical definition lesion in a tissue due to injury or.. Tumor: usually signifies a benign tumor grows slowly and is not harmful dark or light spots do! They can stem from … a lesion may be benign ( not cancer or! It is not dangerous or serious related to cancer and medicine: a lesion to form on in.

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