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мараках марван якин ножи Department of Dermatovenerology 1 презентация, доклад

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Lection 2Inflammation of the skin.Primary and secondary lesions

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Слайд 1мараках марван якин ножи
Department of Dermatovenerology

мараках марван якин ножиDepartment of Dermatovenerology

Слайд 2Lection 2
Inflammation of the skin.
Primary and secondary lesions

Lection 2Inflammation of the skin.Primary and secondary lesions

Слайд 3Inflammation of the skin

Inflammation of the skin

Слайд 5Spongioses

Spongioses

Слайд 6Vacuolar degeneration

Vacuolar degeneration

Слайд 7Balooning degeneration

Balooning degeneration

Слайд 8Balooning degeneration

Balooning degeneration

Слайд 10Hyperkeratosis

Hyperkeratosis

Слайд 11Parakeratosis

Parakeratosis

Слайд 12Parakeratosis

Parakeratosis

Слайд 13Acanthosis. Hyperkeratosis

Acanthosis. Hyperkeratosis

Слайд 14Granulosis

Granulosis

Слайд 16 Acantholysis

Acantholysis

Слайд 17 Acantholysis

Acantholysis

Слайд 19Primary Morphological Lesion
There are no universally agreed upon definitions of

terms or, in particular, dimensions of primary lesions. The following

was offered by Watt and Jillson* as an "easy-to-remember" formula.
Macule - circumscribed area of skin, up to 1.0 cm, with a change from normal skin color, which is neither raised above nor depressed below the surrounding skin. Many use the term for lesions much greater than 1.0 cm. Term does not include purpura. Patch - a flat, circumscribed, discoloration of skin or mucous membrane greater than 1.0 cm in diameter.
Papule - discrete solid area of skin that is elevated by palpation above the surrounding skin and less than 1 cm in diameter. Variations include accuminate, keratotic, flat-topped, follicular, umbilicated, pedunculated, necrotitic and others. Plaque - similar to a papule but greater that 1.0 cm in diameter. Often formed by the confluence or coalescence of papules. Secondary features may include, among others, atrophy, lichenification or hyperkeratosis.
Primary Morphological LesionThere are no universally agreed upon definitions of terms or, in particular, dimensions of primary

Слайд 23·       Nodule - descrete, solid, palpable, round or oval (elipsoidal)

lesion of the skin measuring up to 1.0 cm in

diameter (or long axis). Applies to processes involving any or all levels of the skin, and is a general term for any mass, benign or malignant.
·       Tumor - a term used by some for a "nodule" greater than 1.0 cm in diameter. Applies to processes involving any or all levels of the skin, and is a general term for any mass, benign or malignant.
·       Nodule - descrete, solid, palpable, round or oval (elipsoidal) lesion of the skin measuring up to

Слайд 24·       Vesicle - a circumscribed fluid-filled lesion less than 1.0

cm in diameter that is usually elevated above the surrounding

skin. May be described as solitary, grouped, umbilicated, dyshidrotic, spongiotic, multi-locular or uni-locular.
·       Vesicle - a circumscribed fluid-filled lesion less than 1.0 cm in diameter that is usually elevated

Слайд 25      Bulla - a circumscribed fluid-filled lesion greater than 1.0

cm in diameter that is usually elevated above the surrounding

skin. May attain diameters of several cms and are described as tense, or flacid.
      Bulla - a circumscribed fluid-filled lesion greater than 1.0 cm in diameter that is usually elevated

Слайд 26Pustule - descrete elevated vesicle or bulla of skin, usually

small, containing purulent exudate composed of inflammatory leukocytes (pus), with

or without cellular debris. May be superficial, deep-seated, follicular, grouped, etc. and may arise secondarily from a vesicle.
Pustule - descrete elevated vesicle or bulla of skin, usually small, containing purulent exudate composed of inflammatory

Слайд 28Wheal - an evanescent, round or irregular, often flat-topped elevation

of skin with a pale red color, arising from edema

in the superficial dermis. May vary from 2-3 mm to 10 or more cm in diameter, with round or arcuate configurations. Should be distinguished from angioedema, a massive edema involving the entire dermis and subcutaneous tissues.
Wheal - an evanescent, round or irregular, often flat-topped elevation of skin with a pale red color,

Слайд 29Secondary lesions are the result of the evolution of primary

morphological elements.

Secondary lesions are the result of the evolution of primary morphological elements.

Слайд 30Scar
Scar - a hard plaque of dense fibrotic tissue covered

by a thin epidermis. A mark of injury from any

sort of process (physical or pathologic).
ScarScar - a hard plaque of dense fibrotic tissue covered by a thin epidermis. A mark of

Слайд 31Atrophy
Atrophy - Atrophy usually refers to thinning of

the epidermis leaving an easily wrinkled and/or shiny surface. Atrophy

may also apply to dermal and/or subcutaneous tissue, with or without changes in the epidermis.

Epidermal atrophy

Dermal atrophy

Atrophy  Atrophy - Atrophy usually refers to thinning of the epidermis leaving an easily wrinkled and/or

Слайд 32Ulcer
Ulcer - loss of skin tissue or substance from the

surface downward, leaving an uncovered or denuded wound that is

slow to heal.
UlcerUlcer - loss of skin tissue or substance from the surface downward, leaving an uncovered or denuded

Слайд 33Erosion
Erosion - a superficial denudation of the skin, usually implying

the loss of the epidermis.

ErosionErosion - a superficial denudation of the skin, usually implying the loss of the epidermis.

Слайд 34Fissure
Fissure - a vertical splitting or separation of the skin.

FissureFissure - a vertical splitting or separation of the skin.

Слайд 35Crust
Crust - dried surface fluid, often serous (inspissated serum) in

nature, with or without tissue debris. For purposes of this

document this includes the term "scab".
CrustCrust - dried surface fluid, often serous (inspissated serum) in nature, with or without tissue debris. For

Слайд 36Excoriation
Excoriation - a scratch mark, often with denudation of the

skin to form a small ulcer. Exposure of the corium

by mechanical removal of the epidermis.
ExcoriationExcoriation - a scratch mark, often with denudation of the skin to form a small ulcer. Exposure

Слайд 37Scale
Scale - a thin flake of epithelium (mostly composed of

corneoctyes) which is separated from the underlying intact skin proper.

ScaleScale - a thin flake of epithelium (mostly composed of corneoctyes) which is separated from the underlying

Слайд 38Lichenification
Lichenification - a thickening of the skin surface and an

increase of skin markings, usually seen with chronic coalescence of

papular lesions, especially atopic eczema.
LichenificationLichenification - a thickening of the skin surface and an increase of skin markings, usually seen with

Слайд 39Vegetating
Vegetating - a lushly growing, proliferating, process, usually with elevated

or exophytic features

VegetatingVegetating - a lushly growing, proliferating, process, usually with elevated or exophytic features

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