Dermoscopy of acquired digital fibrokeratoma, a benign fibrous tumor

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A 55-year-old male presented with asymptomatic raised skin lesion over the dorsum of the right index finger of 2-year duration.ere was no history of pain, bleeding and discharge from the lesion.ere was no history of local trauma before onset.On examination, a solitary skin colored pedunculated papule of 0.8*1.2*0.7 cm over dorsum of the right index finger was present [Figure 1a].Dermoscopy using handheld dermlite 4, contact, non-polarized mode showed homogenous yellowish areas divided by white meshwork like septa and a scaly collarette at the base [Figure 1b].e clinical diagnosis of acquired digital fibrokeratoma (ADFK) was made and surgical excision was done.ADFK is usually a clinical diagnosis.Rarely, it has to be differentiated other conditions such as verruca, pyogenic granuloma, periungual fibroma, rudimentary supernumerary digit, and keratoacanthoma.Histopathology is necessary in confirming the diagnosis.However, dermoscopy can be helpful in differentiating ADFK from its close mimics.e dermoscopic findings in fibrokeratoma may often vary among different cases.e common findings described in the literature include homogenous pale-yellow areas divided by white keratotic septi, dotted vessels, and a scaly collarette at the periphery.[1] e homogenous pale-yellow areas and a peripheral scaly collarette represent epidermal hyperkeratosis, acanthosis, and the presence of www.cosmoderma.org

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