Pronunciation: (LUM-bar/PEL-vus/SAY-krul SIN-drome)

A rare disorder marked by a hemangioma (a benign blood vessel tumor) that spreads across a large area of the lower back or genital area. Other health problems that affect the urinary system, genitals, rectum, anus, brain, spinal cord, and nerve function may also occur. LUMBAR/PELVIC/SACRAL syndrome is most common in infants.

Source: NCI Dictionary of Cancer Terms