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Dermatologic manifestations may include cicatricial alopecia, ichthyosis, follicular atrophoderma, pigmentary abnormalities, and nail dystrophy. In addition to genetic testing and clinical findings, trichoscopic findings may aid in the diagnosis. In this case report, we discuss the trichoscopic findings in a 3\u2010year\u2010old girl with CHHS and how these findings help us understand the pathophysiology of this disease.<\/jats:p>","DOI":"10.1111\/pde.15159","type":"journal-article","created":{"date-parts":[[2022,10,20]],"date-time":"2022-10-20T08:45:33Z","timestamp":1666255533000},"page":"333-336","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["<scp>Conradi\u2010H\u00fcnermann\u2010Happle<\/scp> syndrome: Clinical and trichoscopic findings"],"prefix":"10.1111","volume":"40","author":[{"given":"Christopher Jes\u00fas","family":"del R\u00edo\u2010Mart\u00ednez","sequence":"first","affiliation":[{"name":"Tecnologico de Monterrey Escuela de Medicina y Ciencias de la Salud  Monterrey Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Beatriz","family":"de Le\u00f3n\u2010Jim\u00e9nez","sequence":"additional","affiliation":[{"name":"Tecnologico de Monterrey Escuela de Medicina y Ciencias de la Salud  Monterrey Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura Isabel","family":"Ramos\u2010G\u00f3mez","sequence":"additional","affiliation":[{"name":"Tecnologico de Monterrey Escuela de Medicina y Ciencias de la Salud  Monterrey Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rebeca","family":"Martinez","sequence":"additional","affiliation":[{"name":"Department of Dermatology Beth Israel Deaconess Medical Center  Boston Massachusetts USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carola","family":"Dur\u00e1n\u2010Mckinster","sequence":"additional","affiliation":[{"name":"Department of Dermatology National Institute of Pediatrics  Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Antonella","family":"Tosti","sequence":"additional","affiliation":[{"name":"Department of Dermatology and Cutaneous Surgery University of Miami Miller School of Medicine  Miami Florida USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Norma Elizabeth","family":"V\u00e1zquez\u2010Herrera","sequence":"additional","affiliation":[{"name":"Tecnologico de Monterrey Escuela de Medicina y Ciencias de la Salud  Monterrey Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2022,10,20]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2133.2011.10756.x"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-4362.1990.tb04835.x"},{"key":"e_1_2_6_4_1","unstructured":"GeneReviews\u00ae. 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