US examination of HS lesions provides anatomic information that is clinically unavailable. HS is possible to stage sonographically.

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Cosmetic filler agents may be detected and identified during routine ultrasound of dermatological lesions; the latter appear to be pathologically related to the cosmetic procedure.

The presence and count of hyperechoic spots within BCC lesions may help predicting the high risk of recurrence histologic subtypes.

Dermatologic ultrasound is a recent application of ultrasound for the evaluation of healthy skin and appendages and their diseases. Although the scientific literature regarding this application is still not sufficient for evidence-based guidelines, general recommendations issued by scientific societies are necessary. The EFSUMB (European Federation of Societies for Ultrasound in Medicine and Biology) steering committee for dermatologic ultrasound has developed a series of consensus position statements regarding the main fields of dermatologic ultrasound (technical requirement, normal skin and appendages, inflammatory skin diseases, tumoral skin diseases, aesthetic dermatology and practice-training requirements). This document is the foundation for future evidence-based recommendations and guidelines for dermatologic ultrasound practice.

ABSTRACT. Disorders of the scalp often result in severe cosmetic interference with quality of life, creating the need for optimal medical surveillance. We tested the latest generation of ultrasound machines in patients with scalp pathology and prepared a cross-sectional library encompassing a wide assortment of conditions. Normative data on the sonographic anatomy of scalp and human hair, and important methodological considerations, are also included. To improve the medical approach to diseases of the scalp, we evaluated colour Doppler ultrasound, a technique already applied to the study of localised lesions of the skin [2]. We screened 12 461 ultrasound examinations performed over the past 8 years at a national skin sonography referral centre, and selected 221 patients (168 male, 53 female) with scalp lesions. Sonograms were also performed on 33 healthy volunteers (31 male, 2 female). We then prepared a pictorial presentation highlighting sonographic characteristics of scalp skin, scalp hair and eyelashes, and archetypal scalp pathology

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