By Klaus-Peter Wilhelm, Peter Elsner, Enzo Berardesca, Howard I. Maibach
Spanning the various developments that experience taken position within the box because the First variation of this ebook used to be released, this moment version emphasizes the imaging of the surface in its entirety, instead of focusing exclusively on floor layers. the second one variation contains new chapters on applied sciences akin to in vivo confocal laser scanning microscopy, Raman spectroscopy, optical coherence tomography, nuclear magnetic imaging, high-resolution ultrasound, in vivo pores and skin topometry, and multi-photon imaging of the outside.
Read or Download Bioengineering of the Skin: Skin Imaging & Analysis, 2nd Edition (Dermatology: Clinical & Basic Science) PDF
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Extra resources for Bioengineering of the Skin: Skin Imaging & Analysis, 2nd Edition (Dermatology: Clinical & Basic Science)
24 Vogt and Ermert The SCC appears as hypoechoic band below the dermis. The minimum axial and lateral resolutions of the implemented system are 39 and 210 mm, respectively, with the 20 MHz range ultrasound transducer. In the 100 MHz frequency range, improved minimum axial and lateral resolutions of 10 and 84 mm are achieved. We have implemented a 20 MHz range HFUS elastography system for the assessment of mechanical skin properties. A vacuum chamber is placed on top of the skin and frames of ultrasound echo signals are acquired, while the skin surface is vertically sucked into the chamber.
Few belong to group 2. Thicker scales of groups from 3 to 5 are not found at all. This image analytical method is a valuable tool to assess xerosis vulgaris, or xerosis induced by soaps, irradiation, tape stripping, etc. The method has been successfully used on a variety of clinical studies, especially evaluating the efficacy of moisturizers. Disorders of keratinization with very thick scales are less suitable for this method of study. In black skin, scales adherent on the disc often appear dark because corneocytes contain undegraded melanosomes, limiting the usefulness of the method in this group.
Payne PA. Application of ultrasound in dermatology. Bioeng Skin 1985; 1:293–320. 5. Altmeyer P, el-Gammal S, Hoffmann K. Ultrasound in Dermatology. Berlin, Heidelberg, New York: Springer, 1992. 6. Hoffmann K, Schatz H, el-Gammal S, Altmeyer P. B-scan sonography in dermatological routine diagnostics. In: Ermert H, Harjes HP, eds. Acoustical Imaging. 19. New York: Plenum Press, 1992. 7. Ermert H, Vogt M, Passmann C, et al. High frequency ultrasound (50–150 MHz) in dermatology. In: Altmeyer P, Hoffmann K, Stu¨cker M, eds.