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1.
Korean Journal of Dermatology ; : 365-367, 2014.
Artigo em Coreano | WPRIM | ID: wpr-84533

RESUMO

No abstract available.


Assuntos
Couro Cabeludo
2.
Korean Journal of Dermatology ; : 776-782, 2014.
Artigo em Coreano | WPRIM | ID: wpr-38788

RESUMO

BACKGROUND: A collagenoma or connective tissue nevus of the collagen type is a hamartoma consisting predominantly of collagen. Collagenomas are divided into the inherited and acquired types. The acquired forms include eruptive and isolated collagenoma. However, few studies have assessed the characteristics of patients with acquired collagenoma. OBJECTIVE: The aim of this study was to analyze the clinical characteristics of patients with acquired collagenoma. METHODS: We reviewed the medical records and clinical photographs of 23 patients who had been diagnosed histopathologically with acquired collagenoma by biopsy during the last 12 years, from January 2002 to December 2013. In addition, 11 cases of eruptive or isolated collagenomas previously reported in the Korean literature were added. RESULTS: In total, 34 cases of acquired collagenoma were assessed. Of the 34 cases, 53% were men and 47% were women. The mean age at diagnosis was 20.0 years for the patients with eruptive collagenoma and 29.1 years for the patients with isolated collagenoma. In the cases of eruptive collagenoma, multiple, flesh-colored or whitish papules on the trunk were predominant. On the other hand, in the cases of isolated collagenoma, solitary, flesh-colored plaques on the palms or soles were common features. Collagenomas in most cases were asymptomatic (79.4%). However, some patients with collagenomas had other symptoms such as tenderness or pruritus. There was no traumatic history in any case. CONCLUSION: Our study showed that the clinical features of patients with acquired collagenoma share many similarities with those in previously reported studies, with some differences. This study is expected to help us understand and obtain more information on the clinical diagnosis of acquired collagenoma.


Assuntos
Feminino , Humanos , Masculino , Biópsia , Colágeno , Colágeno Tipo I , Tecido Conjuntivo , Diagnóstico , Hamartoma , Mãos , Prontuários Médicos , Nevo , Prurido
3.
Korean Journal of Dermatology ; : 1014-1016, 2011.
Artigo em Coreano | WPRIM | ID: wpr-162683

RESUMO

Isolated collagenoma usually occurs on the plantar area and is frequently associated with Proteus syndrome. A few reports have described isolated collagenoma on extra-plantar areas such as palm, scalp, face, thigh and finger. Herein, we report a case of isolated collagenoma on the periungual area, which was confused with digital mucous cyst. A 26-year-old man visited our clinic with an asymptomatic, 0.8x0.7 cm-sized, firm, skin-colored nodule on the periungual area of the left fourth finger. The distal nail of the nodule showed a longitudinal groove. Histopathologic findings from periungual nodule showed thickened collagen bundles packing reticular dermis.


Assuntos
Adulto , Humanos , Colágeno , Derme , Dedos , Unhas , Síndrome de Proteu , Couro Cabeludo , Coxa da Perna
4.
Korean Journal of Dermatology ; : 230-232, 2009.
Artigo em Coreano | WPRIM | ID: wpr-39538

RESUMO

Collagenomas, or connective tissue nevi of the collagen type, represent a hamartomatous overgrowth of normal collagen. Isolated collagenoma is rare and most commonly presents in childhood. We herein report a rare case of congenital isolated collagenoma on the scalp without any associated abnormality. A 4-year-old boy with normal development presented with 2x1.5 cm sized, soft, dome-shaped brownish nodule on the scalp. Histopathologic study revealed collagen bundles with thickened appearance, a condition consistent with collagenoma.


Assuntos
Colágeno , Tecido Conjuntivo , Nevo , Pré-Escolar , Couro Cabeludo
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