E. Gregory Thompson MD
Barium Enema
Top of the pageBarium EnemaA barium enema, or lower gastrointestinal (GI) examination, is an X-ray examination of the large intestine (colon and rectum). The test is used to help find problems that affect the large intestine.To make the intestine visible on an X-ray...Patellar Subluxation
A subluxation is a partial dislocation. The kneecap, or patella, can sublux out of its normal position more easily when the thigh muscles are weak, when the patella is not firmly held by the surrounding tendons and ligaments, or when there is a problem with the alignment or structure of the knee bones. A patellar…
Swollen Glands, Hernias, and Other Lumps Under the Skin
Discusses possible causes of swollen glands and other lumps under the skin. Covers bacterial and viral infections, noncancerous growths, hernias, aneurysms, and swelling caused by cancer. Includes an interactive tool to help you decide when to call a doctor.
Ultraviolet Rays From the Sun
The sunlight that reaches the earth has ultraviolet A and ultraviolet B (UVA and UVB) rays. These ultraviolet rays are the main causes of damage to the skin from the sun. UVA and UVB rays affect the skin’s sensitivity to sun exposure in different ways. UVA: Can pass through window glass. Is not affected by a change in…