Tesaurismose

  • Deposition of drug or metabolites
    • thesaurismosis: thesauros in greek → treasure, store. Doença que implica a deposição de uma substância ou seu metabolito na pele. Mais abrangente.
    • Distinguir de Ocronose
  • Etiologia
    • Exógena
      • medicamento
        • Amiodarone → purplish
        • Quinolones
        • Synthetic antimalarials
          • Hydroxichloroquine
          • Quinaquirne - lemmon yellow
          • Chloroquine - blue-gray
        • Minocycline
          • Type 1: blue-gray pigmentation of old scars (acne, orthopedic)
          • Type 2: diffuse blue-gray discoloration on normal skin, particularly front of the legs
          • Type 3: diffuse brown pigmentation on sun-exposed areas
        • Clofazimin (indicated for leprosy)
          • Orange-red → brown discoloration of the skin, hair, eyes (conjunctive, cornea)
        • Psychotropic drugs
          • Phenotizines and tricyclic antidressants - gray-blue to purple pigmentation (accumulation) or orange-yellow (drug-induced phomelanin production)
        • Bleomycin → flagellate dermatosis
          • Dermatoses figuradas
            • Relative deficiency of bleomycin hydroxylase in the skin, which causes the product to accumulate in situ, resulting in local inflammation and subsequent pigmentary incontinence (controversial)
          Supravenous serpiginous dermatosis
      • Metals
        • Argyria
        • Chrysocyanosis - gold salts
        • Hydrargyria - mercury containing preparations
    • Endógena
      • Homogentisic acid (alkaptonuria)
  • Apresentação clínica
    • Hyperpigmentation that persists with continuous long term use of hydroquinone
    • Blue-greyish color
  • Dermoscopy
    • Globular amorphous structures around follicular openings
  • Histology
    • Banana figures in the dermis
  • Medicamentos