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- Stretch mark facts
- What are stretch marks?
- What causes stretch marks?
- What are risk factors for stretch marks?
- What are symptoms and signs of stretch marks?
- How are stretch marks diagnosed?
- What is the treatment for stretch marks?
- Are there any home remedies for stretch marks?
- What is the prognosis of stretch marks?
- Can stretch marks be prevented?
Stretch mark facts
- The medical name for stretch marks is striae distensae.
- Stretch marks are very common.
- Stretch marks rarely are a sign of a significant medical problem.
- Stretch marks are generally painless.
- Stretch marks commonly develop in obese individuals and during pregnancy.
What are stretch marks?
Stretch marks appear as linear streaks on the skin that has been overstretched, and they run perpendicular to maximum lines of tension in the skin. They begin as flat red lines, and over time they appear as slightly depressed white streaks. They tend to occur near the armpits, on the thighs, abdomen, chest, and groin. Their appearance is similar to changes seen in the surface of rubber balloons that have been overinflated.
What causes stretch marks?
There is some controversy over the precise mechanism by which striae occur. There seems to be damage to the elastic fibers of the dermis (the deeper layer of the skin) accompanied by inflammation which eventually results in scar-like changes. These changes appear to be induced by excessive physical stretching of the skin. There are a number of clinical situations which will predispose the skin to the formation of striae. These include rapid and excessive increase in body mass, the excessive use of topical or systemic glucocorticoid drugs (steroids), Cushing's disease (overproduction of glucocorticoids by the adrenal gland), puberty, Marfan's syndrome and Ehlers-Danlos syndrome (two uncommon genetic diseases), excessively large breast implants, and pregnancy.