title: A Slowly Growing Orange Patch on the Cheek: Diagnosis of Lupus Vulgaris 20 Years After Onset of First Skin Changes.
abstract: Tuberculosis is a worldwide occurring disease that affects approximately 20-40% of the world's population and in particular in developing countries. However, in times of migration, industrialised countries are again being more and more affected. Cutaneous tuberculosis is rare and lupus vulgaris represents its most common form. Preferentially, young adults in developing or low-income countries are affected from cutaneous tuberculosis, which usually occurs in previously sensitized persons with a high degree of tuberculin sensitivity and a good immunoresponse. In Europe, more elderly people are involved. We present a case of lupus vulgaris that was diagnosed with a delay of about 20 years after onset of first skin changes.
authors.affiliation: Department of Dermatology, Saarland University Medical School, Homburg/Saar, Germany. claudia.pfoehler@uks.eu.
authors.forename: Claudia
authors.identifier: http://orcid.org/0000-0003-0384-114X
authors.initials: C
authors.lastname: Pföhler
authors.affiliation: Institute of Medical Microbiology and Hygiene, Saarland University Medical School, Homburg/Saar, Germany.
authors.forename: Michael
authors.initials: M
authors.lastname: Klotz
authors.affiliation: Department of Internal Medicine V, Saarland University Medical School, Homburg/Saar, Germany.
authors.forename: Thomas
authors.initials: T
authors.lastname: Wehler
authors.affiliation: Department of Dermatology, Saarland University Medical School, Homburg/Saar, Germany.
authors.forename: Thomas
authors.initials: T
authors.lastname: Vogt
authors.affiliation: Department of Dermatology, Saarland University Medical School, Homburg/Saar, Germany.
authors.forename: Cornelia S L
authors.initials: CSL
authors.lastname: Müller
keywords: Lupus vulgaris; Mycobacterium bovis; Tuberculosis