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Radiology and Diagnostic Imaging

Ultrasound

Ultrasound, also called Sonography, is a method of imaging the organs in the body using high frequency sound waves.

The sound waves are directed into the body from a scanning instrument, called a transducer. The sound from the transducer is reflected off the structures inside the body and analyzed by a computer. The computer then displays these images onto a computer screen, which are then interpreted by a radiologist. You will be asked to lie on an ultrasound table. The most common areas for an ultrasound scan are the pelvis, thyroid, and abdominal organs. The sonographer will place warm scan gel on the area that is being imaged and then the transducer is then placed onto the gel, against your skin. You will feel pressure, as the sonographer will move the transducer back and forth over your body. This test can take up to an hour. The radiologist will interpret the images and a report will be sent to your doctor. Call (610) 402-TEST (8378) to schedule for this exam for CC, LVH-M, LVDI and 17th. H-burg (610) 562-1970. Beth Twnshp (610) 865-5700. K-town (610) 683-6262.

Thoracentesis

Thoracentesis is an ultrasound-guided procedure used to remove fluid from the space between the lining of the outside of the lungs and the wall of the chest. This is usually performed when there is an excess of fluid present, called a pleural effusion. You will lie on the ultrasound table and an area on your chest or back will be cleansed with a sterile solution. The ultrasound transducer will be used to locate the area of excess fluid. The radiologist will numb the area with a local anesthetic. You may feel a sensation of pressure as the thoracentesis needle is inserted into the pleural space. The fluid collected may be sent to a laboratory for analysis.

Thyroid Biopsy

A thyroid biopsy is an ultrasound-guided procedure performed to remove a sample of tissue from a nodule found on the thyroid gland. You will be asked to lie on the ultrasound table. The skin over the area of the thyroid will be cleansed with a sterile solution. The ultrasound transducer will be used to locate the nodule. The radiologist will numb the area with a local anesthetic. You may feel pressure as the biopsy needle is inserted through the skin into the nodule. Several passes will be made in order to get a sample of tissue from different areas of the nodule. The samples will be analyzed with the use of a microscope to assure enough tissue was obtained and then will be sent to the laboratory.


This page last updated 2/12/08 04:08 PM
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LVH Info Line: 610-402-CARE
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Lehigh Valley Hospital has campuses in Allentown and Bethlehem, Pa. and serves the Pennsylvania communities of Easton, Doylestown, Quakertown, Hazelton, Lehighton, Perkasie, Pottstown, Pottsville, Reading, Scranton, Wilkes Barre, Stroudsburg, and the Poconos and also Phillipsburg and Flemington, N.J., and western New Jersey. You don't have to travel to Philadelphia or New York for quality health care.

 
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