Abstract
The development of more potent machines and high-frequency probes has contributed to a daily practice and research study in the dermatologic field...
Highlights
In recently years, dermatologic ultrasound imaging has been rapidly developed [1]
The studies have been reported on Real-time Tissue Elastography (RTE) of epidermal cyst, using RTE [5,9,13,14,15] and Shear-Wave Elastography (SWE) [16]
Until now we have reported many studies in the dermatologic field [13,17,18,19,20,21,22]
Summary
The minimum frequency recommended by the international working group, called DERMUS (Dermatologic Ultrasound) for performing dermatologic examinations was 15 MHz. The author previously described that the comprehensive procedure using high-resolution ultrasound is useful for the accurate diagnosis of epidermal cyst. Epidermal cyst features on Real-time Tissue Elastography (RTE) along with enhanced MRI and elasticity features of peripheral rim is reviewed in detail. Thin and smooth rim on enhanced MRI with soft nature on RTE, having high elasticity, indicate no fibrosis, reflecting the possibility of the unruptured condition. The author will suggest that thin and smooth on enhanced MRI and soft nature on RTE in peripheral rim features contribute accurate diagnosis in unruptured epidermal cyst
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