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Page 8 of 25 Lemperle Plast Aesthet Res 2020;7:40 I http://dx.doi.org/10.20517/2347-9264.2020.14
A B
Figure 8. Striae in a body builder and a Cushing patient run parallel to the direction of the muscle bundles: therefore, all incisions on
extremities should be made oblique but should not interfere with major nerves and arteries (A and B)
A B
Figure 9. Radial fresh striae on the breasts during pregnancy and mature striae postpartum (A and B)
A B
Figure 10. As an exception, striae distensae over the buttocks run perpendicular to the muscle fibers of the underlying gluteus major
muscle (A and B) (Figure 10A is reproduced with permission from Lemperle et al. )
[11]
of adolescents, where there is little stretching during the day or sleep. If skin expansion is the only reason,
the use of inflatable silicone expanders should be accompanied by a certain incidence of striae formation,
but it is not.