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Transmission and scanning electron microscopy of cutis rhomboidalis
Torre, Ângela Faistauer; Almeida Junior, Hiram Larangeira de; Jorge, Valeria Magalhães; Almeida, Antônia Larangeira de.
  • Torre, Ângela Faistauer; Universidade Católica de Pelotas. Pelotas. BR
  • Almeida Junior, Hiram Larangeira de; Universidade Católica de Pelotas. Pelotas. BR
  • Jorge, Valeria Magalhães; Universidade Federal de Pelotas. Pelotas. BR
  • Almeida, Antônia Larangeira de; Universidade Católica de Pelotas. Pelotas. BR
An. bras. dermatol ; 96(3): 328-331, May-June 2021. graf
Article in English | LILACS | ID: biblio-1285053
ABSTRACT
Abstract Cutis rhomboidalis nuchae was assessed in a 65-year-old patient. Optical microscopy showed basophilic agglomerations in the reticular dermis with decreased elastic fibers. Trans- mission electron microscopy showed elongated, curved and fragmented structures, and in their interior the presence of electron-dense lumps was reduced and irregular, similar to modified elastic fibers, whereas the collagen fibers had a normal aspect. Scanning electron microscopy showed deposits between the bundles of collagen, resembling pebbles or stones. These findings demonstrate that, at one stage of the disease, the collagen remains normal and the alterations are seen in the elastic tissue.
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Full text: Available Index: LILACS (Americas) Main subject: Skin Diseases Limits: Aged / Humans Language: English Journal: An. bras. dermatol Journal subject: Dermatology Year: 2021 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Católica de Pelotas/BR / Universidade Federal de Pelotas/BR

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Full text: Available Index: LILACS (Americas) Main subject: Skin Diseases Limits: Aged / Humans Language: English Journal: An. bras. dermatol Journal subject: Dermatology Year: 2021 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Católica de Pelotas/BR / Universidade Federal de Pelotas/BR