Pitiriasis Rosada

Epidemiología y Etiología

Epidemiología

• Incidencia: 0.5%–2%
• Sexo: mujeres > hombres
• Grupo de edad común: 15–30 años
• Variación estacional: más común en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum invierno y primavera ( en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum climas templados)

Etiología

• Idiopática
• Posiblemente infeccioso; se ha HA Hemolytic anemia (HA) is the term given to a large group of anemias that are caused by the premature destruction/hemolysis of circulating red blood cells (RBCs). Hemolysis can occur within (intravascular hemolysis) or outside the blood vessels (extravascular hemolysis). Hemolytic Anemia asociado con:
  • Herpesvirus humano tipo 6
  • Herpesvirus humano tipo 7
  • Influenza Influenza Influenza viruses are members of the Orthomyxoviridae family and the causative organisms of influenza, a highly contagious febrile respiratory disease. There are 3 primary influenza viruses (A, B, and C) and various subtypes, which are classified based on their virulent surface antigens, hemagglutinin (HA) and neuraminidase (NA). Influenza typically presents with a fever, myalgia, headache, and symptoms of an upper respiratory infection. Influenza Viruses/Influenza (H1N1)

Presentación Clínica

Pródromo

• Se produce en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum una minoría de pacientes una semana antes de la aparición de las lesiones cutáneas
• Síntomas:
  • Malestar general
  • Cefalea
  • Fiebre
  • Artralgia
  • Dolor Dolor Inflammation de garganta

Erupción cutánea

Primaria:

• Llamado el parche “heraldo” o “madre”
• Lesión única
• Redondo u ovalado
• 2–5 cm de diámetro
• Bordes bien definidos
• Color rosa o salmón
• Escamas en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum collarette Collarette Blepharitis:
  • Escamas finas que permanecen adheridas cerca del borde
  • La escama se levanta cerca del centro de la lesión.
  • El centro puede parecer arrugado.
• Situada en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum:
  • Espalda
  • Pecho
  • Cuello

Secundaria:

• Ocurre dentro de 1–2 semanas después del parche heráldico
• Las mismas características que el parche del heraldo, excepto:
  • Más pequeño (< 1,5 cm)
  • Aparece en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum agrupaciones
  • Simétrico
  • Bilateral
• Situada en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum:
  • Espalda
  • Pecho
  • Extremidades
• Distribución del “árbol de Navidad”
  • Término utilizado para describir el aspecto de la erupción en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum la espalda
  • Debido a la orientación de las lesiones a lo largo de las líneas de tensión de la piel (líneas de Langer)
• Suele haber prurito (grave en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum el 25% de los LOS Neisseria casos)
• Suele resolverse espontáneamente en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum 6–8 semanas:
  • Generalmente, deja pocos cambios cutáneos residuales
  • La hiperpigmentación postinflamatoria es frecuente en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum los LOS Neisseria pacientes de piel oscura.

Diagnóstico y Tratamiento

Diagnóstico

La pitiriasis rosada es un diagnóstico clínico. Las siguientes pruebas pueden utilizarse si el diagnóstico no está claro.

• Biopsia de piel:
  • Rara vez se necesita
  • Hallazgos:
    • Infiltrado perivascular superficial (linfocitos e histiocitos)
    • Paraqueratosis focal
• Examen con KOH de las escamas → descartar tinea corporis Tinea corporis Dermatophytes/Tinea Infections
• Pruebas de reagina plasmática rápida y VDRL VDRL Treponema → descartar sífilis secundaria

Tratamiento

La pitiriasis rosada es una enfermedad autolimitada, por lo que no suele requerir tratamiento.

• General:
  • Asesoramiento
  • Emolientes
• Tratamiento médico:
  • Prurito:
    • Corticoides tópicos
    • Antihistamínicos orales
    • Mentol
  • Síntomas severos:
    • Terapia de luz ultravioleta

Complicaciones

• En EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum pacientes embarazadas (especialmente si se produce en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum las primeras 15 semanas):
  • Aborto natural y espontáneo
  • Parto prematuro
  • Hipotonía neonatal
• Las sobreinfecciones bacterianas son raras.

Diagnóstico Diferencial

• Tinea corporis Tinea corporis Dermatophytes/Tinea Infections: una infección fúngica superficial de la piel que puede afectar la cara, el tronco y las extremidades. Las lesiones de la tiña corporal se caracterizan por descamación periférica, aclaramiento central y eritema. El aspecto puede ser similar al AL Amyloidosis de la mancha heráldica de la pitiriasis rosada. El diagnóstico suele ser clínico, aunque un examen con KOH mostraría hifas fúngicas. El tratamiento incluye medicamentos antimicóticos tópicos u orales.
• Tiña versicolor: infección cutánea por hongos debida a Malassezia Malassezia Malassezia is a lipophilic yeast commonly found on the skin surfaces of many animals, including humans. In the presence of certain environments or triggers, this fungus can cause pathologic diseases ranging from superficial skin conditions (tinea versicolor and dermatitis) to invasive disease (e.g., Malassezia folliculitis, catheter-associated fungemia, meningitis, and urinary tract infections). Malassezia Fungi furfur. Pueden aparecer múltiples manchas escamosas de diversos colores (e.g., marrón, salmón, rosa o blanco) en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum el tronco, abdomen, cuello y cara. El diagnóstico es clínico y se confirma con el examen de KOH, que muestra hifas fúngicas y brotes. El tratamiento incluye medicamentos antimicóticos tópicos u orales.
• Sífilis secundaria: ETS causada por el Treponema pallidum Treponema pallidum The causative agent of venereal and non-venereal syphilis as well as yaws. Treponema. La sífilis secundaria se presenta después de la fase primaria (chancro) con una erupción maculopapular Maculopapular Dermatologic Examination (que incluye las palmas de las manos y las plantas de los LOS Neisseria pies), fiebre y linfadenopatía. Las manifestaciones sistémicas son comunes. Estas no se observan en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum la pitiriasis rosada. El diagnóstico se establece mediante pruebas no treponémicas y treponémicas. La penicilina G es el antibiótico de elección en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum el tratamiento.
• Psoriasis Psoriasis Psoriasis is a common T-cell-mediated inflammatory skin condition. The etiology is unknown, but is thought to be due to genetic inheritance and environmental triggers. There are 4 major subtypes, with the most common form being chronic plaque psoriasis. Psoriasis guttata: variante de la psoriasis Psoriasis Psoriasis is a common T-cell-mediated inflammatory skin condition. The etiology is unknown, but is thought to be due to genetic inheritance and environmental triggers. There are 4 major subtypes, with the most common form being chronic plaque psoriasis. Psoriasis. La psoriasis Psoriasis Psoriasis is a common T-cell-mediated inflammatory skin condition. The etiology is unknown, but is thought to be due to genetic inheritance and environmental triggers. There are 4 major subtypes, with the most common form being chronic plaque psoriasis. Psoriasis guttata es una enfermedad inflamatoria de la piel mediada por el sistema inmune. Esta forma de psoriasis Psoriasis Psoriasis is a common T-cell-mediated inflammatory skin condition. The etiology is unknown, but is thought to be due to genetic inheritance and environmental triggers. There are 4 major subtypes, with the most common form being chronic plaque psoriasis. Psoriasis se presenta con pequeñas pápulas de color salmón que parecen gotas de rocío en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum la piel. El tronco y las extremidades suelen estar afectados. Ninguna mancha heráldica precede a esta erupción. El diagnóstico es clínico y el tratamiento incluye corticoides tópicos, calcitriol Calcitriol The physiologically active form of vitamin d. It is formed primarily in the kidney by enzymatic hydroxylation of 25-hydroxycholecalciferol (calcifediol). Its production is stimulated by low blood calcium levels and parathyroid hormone. Calcitriol increases intestinal absorption of calcium and phosphorus, and in concert with parathyroid hormone increases bone resorption. Parathyroid Glands: Anatomy y fototerapia.
• Dermatitis Dermatitis Any inflammation of the skin. Atopic Dermatitis (Eczema) atópica: enfermedad cutánea crónica, recidivante e inflamatoria. Los LOS Neisseria pacientes presentan manchas pruriginosas, eritematosas, engrosadas y escamosas que afectan con frecuencia a las áreas flexoras. Esta distribución y la cronicidad de la afección diferencian la dermatitis Dermatitis Any inflammation of the skin. Atopic Dermatitis (Eczema) atópica de la pitiriasis rosada. El diagnóstico es clínico. El tratamiento se centra en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum evitar los LOS Neisseria posibles desencadenantes, los LOS Neisseria esteroides tópicos y la terapia inmunosupresora.