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Abstract:
The orbital cavity is a dynamic region filled with pulsatile vascular structures. Newly developed ultrasonic-imaging equipment enables the physician to study the in-vivo motion of orbital tissues and their blood vessels to obtain pertinent diagnostic information relating to orbital diseases. Evidence of enhanced vascular activity is observed in endocrine ophthalmopathy and other orbital inflammatory conditions. Blood vessels within tumors help to localize the abnormalities and give clues relating to an accurate tissue diagnosis. These examinations are performed repeatedly and noninvasively in a clinical environment.