title: [Cutaneous sarcoidosis. Case report].
abstract: BACKGROUND
  sarcoidosis is a multisystemic disease in which naked granulomas are present. Its etiology is unknown and diagnosis requires demonstration of naked granulomas in more than two organs and the exclusion of other pathologies. One third of patients have skin involvement. Sarcoidosis rarely affects Mexican patients.
  
  
  METHODS
  40 year-old female patient who received a complete scheme treatment for pulmonary tuberculosis suspicion previously. She presented several months before, a hypo-pigmented, alopecic and atrophic patch in the frontal scalp with papular and erythematous edge, as well as cough, shortness of breath, neuropathy and cardiac dysfunction. Lymph node and skin biopsy showed the presence of sarcoidal granulomas.
  
  
  CONCLUSIONS
  sarcoidosis is a systemic disease that rarely affects Mexican patients. Skin lesions are usually unspecific but biopsy helps confirm diagnosis in patients who present also affection of other organs.
authors.affiliation: Departamento de Dermatología y Dermatopatología, Centro de Investigación en Enfermedades Infecciosas, Instituto Nacional de Enfermedades Respiratorias, Secretaría de Salud, Distrito Federal, México. monica.fernandez@cieni.org.mx
authors.forename: Mónica
authors.initials: M
authors.lastname: Fernández-Sánchez
authors.forename: Marcela
authors.initials: M
authors.lastname: Saeb-Lima
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D012507:Sarcoidosis / Q000175:diagnosis; D012871:Skin Diseases / Q000175:diagnosis