Semiologia Patologia Piel Unal
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Transcript of Semiologia Patologia Piel Unal
![Page 1: Semiologia Patologia Piel Unal](https://reader031.fdocuments.net/reader031/viewer/2022012402/55ae61091a28ab30798b45fb/html5/thumbnails/1.jpg)
TÉRMINOS HISTOLÓGICOS EN DERMATOPATOLOGÍA
Cambios Epidérmicos
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Patrón en canasta
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HIPERQUERATOSIS
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ORTOQUERATOSIS
Compacta
Laminada
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PARAQUERATOSIS
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HIPERGRANULOSIS
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HIPOGRANULOSIS
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HIPERPLASIA
Psoriasiforme
Irregular
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Papilomatosa
Pseudoepiteliomatosa
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ACANTOSIS
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ATROFIA
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ESPONGIOSIS
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BALONAMIENTO
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ACANTOLISIS
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DISQUERATOCITOS
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Cuerpos de Civatte
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ALTERACION VACUOLAR
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ALTERACIÓN LIQUENOIDE
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CAMBIOS DÉRMICOS
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CAMBIOS EN EL TEJIDO CONECTIVO
Degeneración del colágeno
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Fibrosis
Esclerosis
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LESIONES ELEMENTALES
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Lesiones primarias
• Mácula• Pápula• Púrpura• Placa• Nódulo
• Tumor• Quiste• Habón• Vesícula• Ampolla
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Mácula
Cambio de coloración, sin modificación de relieve, consistencia o espesor
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Mácula eritematosa: Nevus flameus, Mancha de vino oporto
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Maculas hipercrómicas: Léntigos solares
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Máculas hipocrómicas: Pitiriasis alba
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Mácula acrómica: Vitiligo
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Ausencia de melanocitos y melanina en la capa basal
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Púrpura
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Púrpura senil
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Púrpura de Henoch sholein
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Pápula
Elevación circunscrita de la piel, de consistencia sólida. 1 mm a 1 cm
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Molusco contagioso
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Proliferación endofítica de epidermis con cráter central con cuerpos del molusco
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Verruga vulgar
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Liquen nítido
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Placa
Lesión sobre elevada, infiltrada, de bordes bien definidos, consistente y palpable de más de1 cm de diámetro
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Pitiriasis rosada
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Infiltrado perivascular superficial linfocitario con exocitosis, espongiosis (vesículas espongióticas con linfocitos.) Extravasación de eritrocitos en dermis. Disminuciòn capa granulosa focos de paraqueratosis.
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Psoriasis
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Hiperplasia epidérmica, paraqueratosis con colección de PMN. Hipogranulosis, vasos tortuosos en dermis papilar
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Nódulo
Lesión sólida más o menos circunscrita de más fácil apreciación palpatoria que visual
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Dermatofibroma
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Eritema nodoso
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Quiste
Cavidad o saco, cubierta epitelial que contiene materiales fluidos o semisolidos
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Quiste mixoide o mucinoso
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Quiste de inclusión epidermica
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Quiste de inclusión epidérmica Cavidad quistica con laminas de queratina revestida de epitelio estratificado con capa granulosa
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Tumor
masa más o menos esférica, de más de 2 cm de diámetro, superficial, que se traduce en una elevación firme, con o sin límites definidos y de un color igual o diferente de la piel, distorción de tejidos adyacentes
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Melanoma amelanótico y melanoma noldular
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MF tumoral
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Habón
Lesión elevada y eritematosa que presenta palidez en su porción Lesión elevada y eritematosa que presenta palidez en su porción más centralmás central
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Urticaria
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Urticaria Infiltrado dermico superficial perivascular e interticial (PMN, linfos y eos) Edema dermico
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Vesícula
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Herpes simple y zoster
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Herpes simple Vesícula intraepidermica con queratinocitos acantolíticos globulosos en los que aparecen cuerpos de inclusión intranuclear
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Eccema dishidrótico
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Dermatitis herpetiforme
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Dermatitis herpetiforme: vesícula subepidérmica con formación de microabscesos de neutrófilos papilares y numerosos eosínofilos y fibrina Edema papilar dérmico
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Ampolla
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Pénfigo foliáceo
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Foliaceo: Acantolisis en la pare superior de la epidermis (capa granulosa) Queratinocitos acantolíticos Dermis con moderado inflamación con eosinófilos
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Pénfigo vulgar
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Penfigo vulgar Ampollas intraepidermicas Queratinocitos acantolíticos Aspecto en empalizada
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Penfigoide ampolloso
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Penfigoide ampolloso Ampollas supepidermica, infiltrado dermico con eosinofilos y monocuclear en dermis superior, recuadro rico de eosinófilos
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Pústulas
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Candidiasis cutánea
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Candida Pústula subcornea con infiltrado mixto subyacente
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Psoriasis pustulosa
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Psoriasis. Pustula espongiforme por colecciòn de neutrofilos
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Lesiones secundarias
• Erosiones• Úlceras• Descamación• Costras
• Fisuras• Excoriaciones• Atrofia• Cicatriz
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Erosiones
Lesión húmeda, circunscrita y deprimida, Pérdida parcial o total de epidérmis,No cicatriz
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Erosiones del penfigo vulgar y Necrolisis epidermica tóxica
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Ulcera
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Pioderma gangrenoso
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Leishmaniasis cutánea
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Escama
Desprendimiento anormal o acumulación del estrato córneo
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Escamas - Descamación
• Tipos– Pitiriasifomes o furfuráceas (harinilla)– Psoriasiformes (capas quebradizas)– Escamas ictiosiformes (pescado)– Escamas lamelares (delgadas y grandes)– Escamas queratósicas (ásperas)– Escamas exfoliativas (grandes)
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Pitiriasis versicolor
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Pitiriasis versicolor Estrato corneo hiperqueratosico (hifas y esporas)
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Psoriasis - Auspitz
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Ictiosis
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Ictiosis vulgar Hiperqueratosis, hipogranulosis
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Costra
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Impétigo
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Fisuras
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Fisura de dermatitis de contacto en manos
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Excoriación
Excavaciones superficiales de la epidermis, lineales o puntiformes, provocadas por el rascado
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Prurigo escrofulo
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Prurigo Nodular
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Atrofia
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Estría
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Necrobiosis lipoidica
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Dermatitis granulomatosa difusa intersticial y en empalizada. Epidermis normal o atróficaFibras de colágeno degenerado
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Cicatríz
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Queloide Colageno denso irregular.