Malignant neoplasm of prostate
Prostate cancer is a condition where cells in the prostate gland, a small walnut-sized organ in men, grow out of control.
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Find General PhysiciansClinical Overview
The prostate is a small gland found only in men, located just below the bladder and in front of the rectum. Its main job is to produce the fluid that carries sperm, known as semen. A malignant neoplasm, which is the medical term for cancer, occurs when the cells in this gland begin to change and multiply faster than normal.
While many men will develop these abnormal cells as they age, most forms of prostate cancer grow very slowly. Because the gland is tucked deep inside the pelvis, these changes usually do not cause problems until the tumor is large enough to press against the urethra, the tube that carries urine out of the body.
Common Symptoms
- A need to urinate often, especially at night.
- Trouble starting or stopping the flow of urine.
- A weak or interrupted urine stream.
- Pain or a burning sensation during urination.
- Blood in the urine or the semen.
- Persistent pain in the lower back, hips, or upper thighs.