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Case Reports
. 2024 Sep-Oct;99(5):755-757.
doi: 10.1016/j.abd.2023.03.011. Epub 2024 Jun 8.

Pigmented polypoid basal cell carcinoma: a rare clinicopathological variant

Bruno de Carvalho Fantini  1 , Cecilia Anatriello Dos Santos  1 , Sebastião Antônio de Barros Junior  2 , Cacilda da Silva Souza  3
Affiliations
Case Reports

Pigmented polypoid basal cell carcinoma: a rare clinicopathological variant

Bruno de Carvalho Fantini et al. An Bras Dermatol. 2024 Sep-Oct.
No abstract available

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Figures

Figure 1
Figure 1
(A‒B) Lateral and frontal view of the exophytic pedunculated tumor, 40-mm in its largest diameter, showing an erythematous, shiny, pearly surface, and pigmented areas on the periphery.
Figure 2
Figure 2
(A) Transillumination testing of the polypoid tumor. (B) On dermoscopy, large blue-grey ovoid nests on the periphery of the lesion can be observed, with white shiny areas and lines (chrysalises) predominating in the center, without arboriform telangiectasias.
Figure 3
Figure 3
On histopathology, a panoramic view showed a polypoid tumor consisting of basaloid neoplastic aggregations of varyng sizes and shapes with peripheral palisading, limited to the upper and middle part of the polyp.
Figure 4
Figure 4
(A‒B) Detail of basaloid neoplastic aggregations with peripheral palisading, and areas of melanin deposition (Hematoxylin & eosin, ×40, ×100, respectively).
See this image and copyright information in PMC

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