Ultrasound in Dermatology

acoustic actinic Altmeyer analysis appears application attenuation B-scan band basal cell carcinoma become biological tissue blood Bochum border boundaries changes clinical color compared connective tissue corium corresponding defined depth Dermatol dermatology described detection determined developed diagnosis differentiation direction diseases distance Doppler echo-poor echo-rich echogenicity echolucent el-Gammal entry echo epidermis evaluation examination example Figure findings flow frequency further hair histological important increase infiltrate inflammatory intensity interest internal lateral layer lower lymph nodes malignant melanoma mean measurement method microscopy normal Note patients pattern picture plane plaques points possible present procedure processing pulsed range reconstruction reflection reflexes region resolution scan scanners scattering seen shape shows signal skin thickness sonography sound structures subcutaneous subcutis surface techniques three-dimensional transducer tumor ultrasonic ultrasound image ultrasound scan upper values vivo volume waves wound