These cancers form in the linings of nerves. Treatment includes surgery, radiation therapy and, sometimes, chemotherapy.
Disease
Peyronie's disease
Understand what causes bent and painful erections and learn what treatments are available.
Disease
Hydrocele
Find out more about the symptoms, causes and treatments for this swelling in the scrotum.
Disease
Benign prostatic hyperplasia (BPH)
This common problem, also known as an enlarged prostate, can be treated.
Disease
Orchitis
This infection of one or both testicles can cause pain and infertility. A bacterial infection or the mumps virus is the usual cause.
Disease
Schizophrenia
This mental condition can lead to hallucinations, delusions, and very disordered thinking and behavior. It can make daily living hard, but it's treatable.
Disease
Mood disorders
These conditions affect emotions. Depression causes a feeling of deep sadness. Bipolar disorder goes back and forth from being very sad to being very happy.
Disease
Sleep apnea
This condition causes repeated stops and starts in breathing during sleep. Snoring loudly can be a sign of this sleep condition.
Disease
Nephrotic syndrome
Swelling around your feet and ankles is a common sign of this condition that occurs when your kidneys pass too much protein in your urine.
Disease
Angina
Learn about a type of chest pain caused by reduced blood flow to the heart. This chest pain is a symptom of heart disease.
Disease
Entropion
In entropion, your eyelid turns inward, causing lashes and skin to rub against the eye. Learn about causes and treatment for this irritating eye condition.
Disease
Iritis
Learn about who's at risk of this eye condition and why you should get treatment right away if you have symptoms.