secondary lesion definition

A skin lesion is a superficial growth or patch of the skin that does not resemble the area surrounding it. This classification is naturally artificial; the same lesion type might be a primary lesion in one disease but a secondary lesion in another (eg alopecia is a primary lesion in canine hypothyroidism [direct consequence of lack of thyroxine] but a secondary lesion in feline flea allergy [caused by the patient: hair removed by the itchy cat]). Secondary-progressive MS (SPMS) is a form of multiple sclerosis. Secondary glioblastomas progress from low-grade di … Glioblastoma is the most frequent and malignant brain tumor. 4.16and 4.17). There is a virtually endless assortment of lesions in medicine: primary lesions, secondary lesions, impaction lesions, indiscriminate lesions, irritative lesions, etc. Conclusions: T he correct and updated descriptive terminology should be considered by dentists in oral examination. Aging leads to skin atrophy, including subcutaneous lipoatrophy, striae atrophicae Skin atrophy is when skin becomes thin or has a smooth or finely wrinkled surface (Figs. Secondary 3. special 4. Menu. lesion définition, signification, ce qu'est lesion: 1. an injury to a person's body or to an organ inside their body: 2. an injury to a person's body…. So if any raised lesion is less than 1 cm in size it is a papule while any lesion greater than 1 cm is a nodule. Primary skin lesions: 1. Dermal Lesions A dermal lesion refers to any change in the normal condition of the skin. Learn more. The main difference is in the size of the lesion – A nodule is greater than 1 cm in size whereas the papule is smaller than 1 cm. With rare exceptions, cancer that has spread to the bones can't be cured. Papule: a circumscribed, elevated solid lesion up to 1 cm in size, elevation may be accentuated with oblique lighting, e.g. A secondary lesion is an eruption that occurs secondarily after a primary or other skin lesion. Secondary skin lesions are a progression of primary skin lesions. Learn vocabulary, terms, and more with flashcards, games, and other study tools. 5. Lesion Configuration (Secondary Morphology) Configuration is the shape of single lesions and the arrangement of clusters of lesions. • … Medical definition of primary lesion: the initial lesion of a disease; specifically : the chancre of syphilis. It’s the next stage of relapsing-remitting MS (RRMS) where there are no signs of remission. Macule. Introduction: There is no single, commonly accepted, standard definition of secondary progressive multiple sclerosis (SPMS), an absence that poses a challenge for clinicians. Primary lesions 8. • Primary Lesions: Those lesions that are the direct result of a pathologic process Definition: 9. • Macule : is a flat discolored lesion that is less than 1 cm in diameter. There are several different types, including the macule, papule, vesicle, plaque, bulla, patch, tumor, wheal, nodule, and pustule.These are not specific to one disease, and are not always considered to be a primary lesion. Lesion definition is - injury, harm. make an accurate diagnosis of secondary caries and provide a clear terminology. In another class of diseases, the organisms. secondary 1. of or relating to the education of young people between the ages of 11 and 18 2. Bone tumors may be classified as "primary tumors", which originate in bone or from bone-derived cells and tissues, and "secondary tumors" which originate in other sites and spread (metastasize) to the skeleton.Carcinomas of the prostate, breasts, lungs, thyroid, and kidneys are the carcinomas that most commonly metastasize to bone. So, it is often defined as a site of abnormal tissue change. first produce some well-marked local lesion, from which secondary extension takes place by … Typically, a lesion involves an abnormal structural change to a tissue. Nowadays it is generally acknowledged that secondary caries or recurrent caries is a primary carious lesion of tooth at the margin of an existing restoration, which occurs after the restoration has been used for some time [Mjör and Toffenetti, 2000]. Start studying Primary and Secondary Skin lesions. Search primary lesion and thousands of other words in English definition and synonym dictionary from Reverso. A primary lesion is a change in the skin that is caused by a certain disease or infection. State of the art: SPMS is characterised by inflammation, neurodegeneration and disease progression with the presence or absence of relapses. A macule is a distinct discoloration of the skin that is flat and smaller than 1 centimeter in diameter. The initial lesion in secondary tuberculosis is the apical nodule, which presents as a uni- or bilateral, small-sized (max. Lately, many studies focused on investigating the efficiency of Er:YAG to remove carious lesion.1,2,3 Secondary caries (recurrent caries) is a primary carious lesion of tooth at the margin of an existing restoration; they usually occur years after composite or other kinds of restorations were performed. In TBI, primary injuries result immediately from the initial trauma. cyst. Type of skin lesion: • Primary Skin Lesions. Primary. [Middle English lesioun, from Old French lesion, from Latin laesiō, laesiōn-, … Dermal lesions, or skin lesions, can be grouped into two categories: primary and secondary lesions.A primary dermal lesion is an abnormality that has been present from birth or acquired later in life. Secondary lesion :- Develop during the evolutionary process of skin disease or are created by scratching or infection. • Secondary Skin Lesions. Mila, acne, verrucae. special skin lesion :- Specific for certain disease. Treatments can help … sions To cause a lesion to form on or in. • Special Skin Lesions. Secondary infections frequently develop in pruritic lesions due to the b. entry of resident flora while scratching the lesion. Learn what it means if you enter secondary progressive multiple sclerosis, and find out how your symptoms differ from relapsing-remitting multiple sclerosis (RRMS). (of the flight feathers of a bird's wing) growing from the ulna 3. a. being the part of an electric circuit, such as a transformer or induction coil, in which a current is induced by a changing current in a neighbouring coil b. Plaque: a circumscribed, elevated, plateaulike, solid lesion greater than … the definition of CP in 1992 as follows: ‘an umbrella term covering a group of non-progressive, but often changing, motor impairment syndromes secondary to lesions or anom- alies of the brain arising in the early stages of development.’ This definition continued to emphasize the motor impairment The secretory func-tion is reduced, and the skin surface dries. Primary injury occurs at the moment of trauma and includes contusion, damage to blood vessels, and axonal shearing, in which the axons of neurons are stretched and torn. Linear lesions take on the shape of a straight line and are suggestive of some forms of contact dermatitis, linear epidermal nevi, and lichen striatus. Nodule: a circumscribed, elevated solid lesion with depth up to 2 cm e.g. The vast majority of glioblastomas (~90%) develop rapidly de novo in elderly patients, without clinical or histologic evidence of a less malignant precursor lesion (primary glioblastomas). A lesion is an area of inflammation in a tissue that suffered trauma or the impact of chronic illness. NCI's Dictionary of Cancer Terms provides easy-to-understand definitions for words and phrases related to cancer and medicine. They may take the form of bumps, blisters, or general sores.While many are benign (such as moles or freckles) some are the result of toxins (such as mosquito bites) or diseases (such as chicken pox or psoriasis). En savoir plus. Bone metastasis can cause pain and broken bones. Many are named for people including the Armanni-Ebstein lesion, a Bankart lesion, a Blumenthal lesion, and so on. Lesion Definition. 3 cm), yellow-grey, low consistency (caseous necrosis) solid nodular mass. (2) Secondary lesion: erosion, ulcer, sinus, fistula, and scar. 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…. So a brain lesion is an area of injury or disease within the brain. Secondary skin lesions are those lesions that result from an outside force affecting the skin, such as scratching, or an evolutionary change in a primary lesion. Primary lesions :- Basic reaction patterns of skin with a definite morphology. Dictionary ! Recent Examples on the Web The culprit was the old lesion in his T5 vertebra that had been radiated three years earlier. They are changes to the original lesion that result from a natural evolution of the lesion or a person scratching or aggravating the lesion. 7. A lesion is an area of tissue that has been damaged through injury or disease. Secondary prevention aims to reduce the impact of a disease or injury that has already occurred. 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