|Year : 2016 | Volume
| Issue : 1 | Page : 64-65
SkIndia Quiz 22: Scalp Tumor
Leonor Neto Lopes, Luís Soares-Almeida, Paulo Filipe
Department of Dermatology, Centro Hospitalar Lisboa Norte - Hospital de Santa Maria, Lisbon, Portugal
|Date of Web Publication||18-Jan-2016|
Dr. Leonor Neto Lopes
Avenida Prof. Egas Moniz, 1649-028 Lisboa
Source of Support: None, Conflict of Interest: None
|How to cite this article:|
Lopes LN, Soares-Almeida L, Filipe P. SkIndia Quiz 22: Scalp Tumor. Indian Dermatol Online J 2016;7:64-5
A 72-year-old Caucasian male presented with a four month history of an asymptomatic, violaceous, ulcerated tumor over the scalp of 3 cm diameter surrounded by multifocal violaceous nodules [Figure 1]. He reported local trauma 1 month prior to appearance of the lesion. There was no lymphadenopathy or hepatosplenomegaly. Histopathologic examination showed a vascular tumoral lesion occupying the entire dermis, with a jagged irregular branching angiomatous pattern with vascular clefts between the collagen fibers filled with erythrocytes and lymphocytes around vessels [Figure 2]a. The endothelial cells were polygonal with hyperchromatic nuclei and rare atypical mitoses. The immunostaining was positive for CD31, CD34 and FVIII-related antigen [Figure 2]b.
|Figure 1: Violaceous ulcerated tumor on the scalp surrounded by multifocal violaceous nodules|
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|Figure 2: (a) Histopathologic examination showed a vascular tumoral lesion on the dermis, with irregular vascular clefts between the collagen fibers filled with erythrocytes and lymphocytes (H and E ×100), (b) Immunostaining positive for FVIII-related antigen|
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| What is the Diagnosis?|| |
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[Figure 1], [Figure 2]