dimple sign


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Related to dimple sign: ichthyosis, dermatofibroma

dim·ple sign

in dermatofibroma, dimpling elicited when the lesion is squeezed.

dimple sign

A clinical finding evoked by pinching a subcutaneous lesion, which results in a central dell/dimple, seen in well-circumscribed, often benign superficial dermal tumors–eg, dermatofibromas, inclusion cysts, lipomas, neurofibromas. Cf 'Tent' sign.

dimple sign

A sign to differentiate dermatofibroma, a benign lesion, from nodular melanoma, which it may mimic. On application of lateral pressure with the thumb and index finger, the dermatofibroma becomes dimpled or indented, whereas melanomas, melanocytic nevi, and normal skin protrude above the initial plane.
See also: sign