By Gary M. White, MD
Striae are common after pregnancy (What other sign of pregnancy do you see? Answer )
Striae distensae are linear red lesions of the skin that occur when the skin stretches to the point of tearing. They are common on the back of teenagers during growth spurts. (Note: stria is singular; striae is plural).
Transverse, atrophic, red, violaceous or white lines running across the lumbosacral area are common manifestations in men of striae distensae or stretch marks and have an incidence of approximately 5%. When new, they are pink or red. After a time, they turn white. A rare case of unilateral axillary striae in a 16-year-old boy has been reported [PD 2014;31;617]
Several patients have been reported to have developed disfiguring striae within 3 months of starting indinavir therapy [JAAD 1999;41;467].
The vast majority of stria are benign/physiologic, due to growth during puberty or pregnancy. However, in the situation of unusually severe disease, one can consider Cushing's syndrome and exogenous steroid use.
Although no treatment is usually necessary, tretinoin 0.1% cream applied daily has been reported to improve or clear striae [AD1996;132;519] in one study, but not in another [Cutis 1994;54;121]. If tretinoin is used, it must be started before the scar turns white, that is before the scarring process is complete. Low-fluence 585-nm pulsed dye laser surgery improves the appearance of most stretch marks [DS 1996;22;332]. Dermabrasion has been used [Dermatol Surg. 2014;40:537-544].
Striae alba or white scars may be pigmented with repeated therapy with a 308 nm Excimer laser, but the beneficial effects are lost if maintenance therapy is stopped.
Striae are common on the low back of teenage boys.
Continued use of a strong topical steroid after striae have formed can lead to ulcers. Clobetasol-induced striae with ulcers.
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