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Dermoscopic yellow structures in basal cell carcinoma
C Bellucci1, F Arginelli, S Bassoli
1Department of Dermatology and Venereology, University of Modena and Reggio Emilia, Modena, Italy.
Background:
Yellowish structures in dermoscopy comprise milia-like cysts (MLCs) and yellow lobular-like structures.
Objective:
This study aimed at establishing the frequency of these features in BCC and at describing their dermoscopic details.
Methods:
A retrospective analysis of digital dermoscopic images referring to 400 BCCs was performed. Images were evaluated for the presence of starry and cloudy MLCs and yellow lobular-like structures.
Results:
Among the 400 BCCs constituting our database, 40 presented yellowish structures (10%). "Yellow" BCCs were located more frequently on the head and were mainly of the nodular type. MLCs were observed in 7.75% of the cases (with a mean number of 4.9 MLCs per lesion), whereas yellow globules were noticed in 4.2% /ucodep of the lesions.
Conclusion:
In the presence of BCC specific dermoscopic criteria, the observation of MLCs and yellow lobular-like structures should not prompt the dermatologist to exclude the diagnosis of BCC.
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