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Asymptomatic disseminated telangiectasias: a rare case of cutaneous collagenous vasculopathy

  • Author(s): Lobo, Yolanka;
  • Blake, Tristan;
  • Herat, Asoka
  • et al.
Abstract

Cutaneous collagenous vasculopathy (CCV) is a rare idiopathic microangiopathy affecting superficial dermal blood vessels. It is characterized by asymptomatic, disseminated, telangiectatic macules that typically involve the extremities. We report the case of a 58-year-old woman who presented with widespread telangiectasias of three years' duration on the upper extremities and abdomen. Cutaneous collagenous vasculopathy may be underdiagnosed as it is often mistaken for disorders that are morphologically very similar, including generalized essential telangiectasia, hereditary hemorrhagic telangiectasia, and pigmented purpuric dermatosis. The diagnosis of CCV is made histologically and findings feature dilated superficial dermal vessels with thickened walls containing periodic acid-Schiff-positive eosinophilic hyaline material. Effective treatment options for CCV have yet to be established and given its benign disease course, treatment may not be necessary. Pulsed dye laser can be offered to patients for cosmetic improvement but the extent of the disease makes complete lesion clearance challenging in most cases. Given the lesions were asymptomatic our patient declined all offered treatment modalities.

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