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. 2017 May 10;12:85. doi: 10.1186/s13023-017-0639-8

Fig. 3.

Fig. 3

Characteristic histological features of PXE in skin biopsies. a Orcein staining: the elastic fibers of the dermis are fragmented and thickened. b Von Kossa staining: calcification of elastic fibers. c Viewed under the electron microscope, the elastic fibers’ morphology is abnormal