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Audio Interchange File Format  |  1996-12-09  |  541.6 KB  |  1 channel  |  11,025 sample rate  |  25 seconds
Transcription: Stereotactic needle biopsy. A procedure often used in the diagnosis of brain tumors. A specialized frame is used to hold a patient's head or other body parts stationary while the biopsy needle is directed to exactly the right spot. Usually a CT scanner or other computer-associated equipment is used to find the correct position. This method has also been applied recently to very small breast cancers.