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HIV and related conditions

Ver: www.hivindv.org
 
Manifestações cutâneas de HIV
  • Acute retroviral syndrome - mononucleosis like syndrome with morbilliform rash 1-3 weeks after sexual contact
  1. Inflammatory
      • New or worsening common inflammatory skin conditions
        • Psoriasis
          • Lesões rupioides típicas, como se fossem antigas moedas da índia “rupia” - clássico HIV
          • Psoríase inversa
          • Fenómeno de Koebner
          • Tratamento: optimizar tratamento HIV → acitretina (3-6 meses) → MTX, AntiTNF alfa contraindicados → IL-17, IL-23 (não há estudos, ter HIV é critério de exclusão dos estudos, existem apenas relatos de caso, candidíases podem ocorrer mais)
        • Seborrheic dermatitis
        • Prurigo nodular
          • Fisiopatologia: desvio da imunidade
        • Síndrome de Sweet
        • Porfiria cutanea tarda
          • Comum na co-infeção hepatite C - HIV
        • Atopic dermatitis
        • Ichthyosis
        • Pityriasis rubra pilaris
          • Often generalized, severe
          • Can be explosive in onset
        • Eosinophilic folliculitis
        • Papular eruption of HIV - usually with improving CD4 count
  • Treatment Related inflammatory disorders
    • Antiretrovirals
      • Abacavir - DIHS/DRESS due to HLA B5701
      • Neviripine - TEN
      • Indinavir - paronychia
      • Zidovudine - melanonychia
      • Lipodystrophy associated with HIV protease inhibitor
        • Tratamento: metformina, leuprolide
    • Prophylaxis
      • TMP-SMX - SJS/TEN
        • Drug eruptions by TMP-SMX occur in more than 50% of patients, compared with aproximately 10% in HIV-negative
    • Immune reconstitution inflammatory syndrome (IRIS)
      • Most common with cryptococcosis but can also be seen in Kaposi Sarcoma
      • IRIS associated with pulmonary KS - usually fatal
      • Ask about pulmonary symptoms and chest X ray
  1. Infections
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      • Due to immunosuppression
        • Virus
          • Herpes
            • Zoster - múltiplos dermátomos
            • Simplex - formas verrucosas, e prolongadas (>1 mês)
            • HHV8 - Kaposi, Castleman disease
          • Profuse Molluscum contagiosum lesions
            • Molluscum like lesions in immunosuppressed patients:
              • Cutaneous cryptococcosis
              • Talaromyces marneffei
          • HPV
            • Verruca
            • Condilomas
            • Epidermodisplasia verruciforme adquirida
          • EBV
            • Hairy oral leucoplakia
        • Bacteria
          • Piodermites
            • Foliculites, furúnculos, abcessos
            • Furunculose disseminada
          • Bacillary angiomatosis
          • Mycobacteria
        • Fungus
          • Micoses superficiais
            • Candidiasis
              • Candidose oral
              • Paroníquia crónica
              • Candidose vaginal e balanite
              • Candidose disseminada - associada a imunossupressão severa, pode ser fatal
            • Onychomycosis - proximal subungueal (trichophitum rubrum) and superficial
            • Pitiríase versicolor
              • Pode ter foliculites associadas (≠foliculite bacterianas porque as foliculites de malassezia estão no V do decote)
          • Micoses profundas (verdadeiras disseminadas ou oportunistas)
        • Parasites and arthropods
          • Crusted scabies
      • Diseases that travel with HIV
        • Syphilis
          • Aumenta 2-5x o risco de transmissão VIH
        • Scabies
          • Sarna crostosa
  1. Malignancy
      • Non-melanoma skin cancer
        • 2-3x higher in HIV: SCC>BCC
        • Trend towards increased risk with lower CD4 counts
        • Neoplasias associadas ao HPV na região genital
          • Na dermatologia chamamos Queyrat, Bowenoid, outras especialidades chamam VIN, PIN, AIN. O alto e baixo grau tem mais interesse no colo do útero. Mas é tudo carcinoma intraepitelial
        • HAART não restaura a resposta imune celular contra o HPV, portanto mesmo tratando o HIV, há maior probabilidade de neoplasias relacionadas com o HPV
        • Eritroplasia Queyrat
        • Papulose bowenoide
        • Bowen anogenital
        • Tumores de HPV em HIV são quimiosensíveis - por isso 5-FU, imiquimod e crioterapia responde bem, discutir em decisão multidisciplinar se envolver o esfíncter
        • CEC perianal
          • Quimio-radioterapia para evitar colostomia e resseção do esfíncter
        • Since 1993, invasive cervical cancer has been included in the definition of AIDS
      • Melanoma - unclear risk, but frequently metastatic at presentation
      • Cutaneous T-cell Lymphoma
        • Unclear risk
        • Benign lymphoproliferative disorders
      • Eruptive tumors: nevi, dermatofibromas
 
Correlation of CD4 cell count with specific HIV associated disorders
>500
<500
<250
<50
Acute retroviral syndrome
Oral hairy leukoplakia
Vaginal candidiasis
Seborrheic dermatitis
Oropharyngeal candidiasis (thrush)
Herpes zoster
Psoriasis, severe or refractory
Eruptive atypical melanocytic nevi and melanoma
Kaposi sarcoma
Eosinophilic folliculitis
Seborrheic dermatitis, refractory
Mollusca, extensive
Bacillary angiomatosis
Miliary/extrapulmonary tuberculosis
Herpes simplex virus infection, disseminated
Cryptococcosis; Histoplasmosis; Coccidiomycosis, disseminated
Botryomycosis
Non-Hodgkin lymphoma
Large, non-healing mucocutaneous herpes simplex virus infection (e.g. perianal)
Papular pruritic eruption
Giant mollusca
Perianal ulcers due to CMV
Aspergillosis
Acquired icthyosis
Mycobacterium Avium complex infections
Major aphtae
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International classification
  • Group A: asymptomatic; uncomplicated stage of HIV. Usually CD4>500
  • Group B: all patients with minor clinical manifestations not included in the list of AIDS criteria C. Usually CD4 200-500
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  • Group C: meets the definition of AIDS. CD4<200
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