Laparoscopic lymphadenectomy: Surgical removal of pelvic lymph nodes through multiple small incisions in the abdomen and use of fiberoptic-based tubal instrument.
Leutinizing hormone (LH): Pituitary hormone that stimulates the testicles to produce testosterone.
Leutinizing Hormone-Releasing Hormone (LHRH): Hypothalamic leutinizing hormone-releasing hormone that stimulates the pituitary to release leutinizing hormone.
LH: Leutinizing hormone, a pituitary hormone that stimulates the testicles to produce testosterone.
LHRH: Hypothalamic leutinizing hormone-releasing hormone that stimulates the pituitary to release leutinizing hormone.
LHRH agonist: Drug that affects hormone release by mimicking LHRH.
Libido: Sex drive.
Linear Accelerator: Device for creating high energy radiation used in some forms of external beam radiation therapy.
Local Recurrence: Return of cancer after treatment to the site of origin.
Localized Cancer: Cancer which has not spread beyond the organ of origin.
Lycopene: Chemical found in high levels in cooked tomatoes that may reduce the risk of prostate cancer.
Lymphadenectomy: Surgical removal of lymph nodes. Examples: Staging pelvic lymphadenectomy is removal of pelvic lymph nodes to determine the extent of spread of prostate cancer. Synonym: Lymph node dissection.
Lymphangiogram: Imaging test that evaluates lymphatic vessels.
Lymphatics: Vascular channels for lymph fluid that is one of the natural defense mechanisms against infection and other foreign substances. The lymph fluid percolates through tissue and is collected and circulates through lymphatic vessels, ultimately connecting to blood vessels.