In-depth

Causes

Klinefelter syndrome

Klinefelter syndrome is a genetic disorder that affects hormone levels in males. Discover what causes it — and what treatments are available.

Male hypogonadism

Tests and diagnosis

CT scan

A CT scan is an imaging test that uses X-rays to produce detailed images of the inside of your body.

Mammogram

Mammography can lead to detection of breast cancer at its earliest and most treatable stage.

MRI

MRI uses a magnetic field and radio waves to create detailed images of the organs and tissues within your body.

Ultrasound

Ultrasound imaging uses high-frequency sound waves to create images of structures in your body.

Treatments and drugs

Mastectomy

Mastectomy — surgical removal of all breast tissue in one or both breasts — is an effective treatment for many types of breast cancer.

Jan. 02, 2014

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