Basal cell carcinoma arising within a giant dermatofibroma

Martyna Sławińska; Wojciech Biernat; Roman Nowicki; Michał Sobjanek

doi:10.5114/dr.2018.77114

eISSN: 2084-9893
ISSN: 0033-2526

Dermatology Review/Przegląd Dermatologiczny

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3/2018
vol. 105

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abstract:

Case report

Basal cell carcinoma arising within a giant dermatofibroma

Martyna Sławińska

,

Wojciech Biernat

,

Roman J. Nowicki

,

Michał Sobjanek

Dermatol Rev/Przegl Dermatol 2018, 105, 451–455

DOI: https://doi.org/10.5114/dr.2018.77114

Online publish date: 2018/07/20

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Introduction
Dermatofibroma is a common benign cutaneous tumour with typical clinical and dermoscopic features. Giant dermatofibroma is a rare variation of the proliferation with a diameter larger than 5 cm. The association of basal cell carcinoma and dermatofibroma has been described in 13 cases, but none of them was related to a giant dermatofibroma.

Objective
To report the first case of basal cell carcinoma arising in a giant dermatofibroma with atypical clinical features.

Case report
A 70-year-old woman presented with a giant skin tumour of the left arm observed since she was 15 years old. Histopathological examination revealed features of extensive basal cell carcinoma overlying a dermatofibroma. There was no evidence of local recurrence or metastases within 24 months after surgery.

Conclusions
The risk of malignant transformation in an exaggerated reactive proliferation of the epidermis overlying a dermatofibroma seems to be very low. Aggressiveness of that type of basal cell carcinoma is probably the same as classic basal cell carcinoma.

keywords:

Basal cell carcinoma arising within a giant dermatofibroma

Martyna Sławińska , Wojciech Biernat , Roman J. Nowicki , Michał Sobjanek

basal cell carcinoma, dermatofibroma

Martyna Sławińska

,

Wojciech Biernat

,

Roman J. Nowicki

,

Michał Sobjanek