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1.
An. bras. dermatol ; 90(3,supl.1): 97-100, May-June 2015. tab, ilus
Article in English | LILACS | ID: lil-755784

ABSTRACT

Abstract

Glomus tumors originate from modified perivascular muscle cells. The most common form is the solitary one. The multiple form may be associated with dominant genetic inheritance. We report a case of a patient with hemangiomatous lesions on the calcaneus and wrist since birth. In 6 years, there was progression of lesions throughout the body. Multiple glomangiomas are asymptomatic and more common in childhood. They can be confused with other vascular malformations. Histopathological diagnosis is essential. The case shows a type 2 segmental manifestation that can be explained by genetic mutation leading to the loss of heterozygosity. As the child grows, the lesions may disseminate due to mutation in distant parts of the skin. Literature shows few reports. The treatment is conservative.

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Subject(s)
Humans , Male , Young Adult , Glomus Tumor/pathology , Paraganglioma, Extra-Adrenal/pathology , Skin Neoplasms/pathology , Glomus Tumor/genetics , Mutation , Paraganglioma, Extra-Adrenal/genetics , Skin Neoplasms/genetics , Skin/pathology
2.
Arch. argent. dermatol ; 52(4): 159-164, jul.-ago. 2002. ilus, tab
Article in Spanish | LILACS | ID: lil-316386

ABSTRACT

Los tumores glómicos son neoplasias benignas derivadas de anastomosis arteriovenosas cutáneas especializadas que sirven para regular la temperatura. Pueden ser solitarios o múltiples. El tumor glómico solitario es bastante común; aparece habitualmente en adultos jóvenes en forma de un nódulo rojo-azulado, característicamente asociado con dolor paroxístico y localización acral. La forma múltiple es rara, mostrando una edad de aparición precoz y herencia de tipo autosómica dominante. Histopatológicamente, los tumores glómicos muestran proporciones variables de células glómicas, vasos sanguíneos y músculo liso. De acuerdo a ésto, se clasifican como tumor glómico sólido, glomangioma y glomangiomioma, siendo el último de ellos el menos común. Los tumores glómicos múltiples son predominantemente glomangiomas. Presentamos un caso familiar de glomangiomioma múltiple


Subject(s)
Humans , Female , Child, Preschool , Glomus Tumor/pathology , Glomus Tumor/classification , Glomus Tumor/diagnosis , Glomus Tumor/genetics , Glomus Tumor/therapy
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