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Spontaneous coronary artery dissection (SCAD)
A torn blood vessel in the heart can cause a heart attack. Learn about the diagnosis and treatment of this medical emergency.
Spina bifida
Learn about this condition in which an unborn baby's spine and spinal cord don't form properly. Surgery during pregnancy may be a treatment option.
Spermatocele
Learn more about this noncancerous testicular disorder that may require surgery if it's causing discomfort. But, the condition often needs no treatment.
Soft tissue sarcoma
This rare type of cancer can begin in the muscles, fat, blood vessels, nerves, tendons and the lining of joints. Treatment usually includes surgery.
Shaken baby syndrome
Understand why shaking a baby can cause brain damage, and why getting immediate medical care can save a child’s life or prevent serious health problems.
Scrotal masses
Lumps in the scrotum have various causes. Even painless lumps should be checked promptly by a health care professional.
Rheumatoid arthritis
This chronic inflammatory disorder can affect more than just your joints. It can also damage your skin, eyes, lungs, heart and blood vessels.
Rheumatic fever
Learn about this complication of strep throat and scarlet fever and what you can do to prevent it.
Retrograde ejaculation
Learn about the symptoms and treatment options for this condition that can cause male infertility.
Retractile testicle
Find out about this condition that allows the testicle to move between the scrotum and groin.
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