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In contrast, tissues with lower echogenicity are called "hypoechoic" and are usually represented with darker colors. Areas that lack echogenicity are called "anechoic" and are usually displayed as completely dark. [1]
However focal hypoechoic lesions can occur, hemorrhage and necrosis are rare. At times, the sonographic appearance of lymphoma is indistinguishable from that of the germ cell tumors [Fig. 8], then the patient's age at presentation, symptoms, and medical history, as well as multiplicity and bilaterality of the lesions, are all important factors ...
In the normal kidney, the urinary collecting system in the renal sinus is not visible, but it creates a heteroechoic appearance with the interposed fat and vessels. The parenchyma is more hypoechoic and homogenous and is divided into the outermost cortex and the innermost and slightly less echogenic medullary pyramids.
Very few of us haven't experienced those strange sounds known as hiccups that sometimes escape our mouths without warning. It's an occurrence we frequently find funny when it happens to others ...
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The most reliable sign of thrombosis (even when a good image and color is present) is the absence of compressibility - A vein cannot be compressed when the blood is in a solid state, as with a thrombus, in the same way that a rubber pipe cannot be compressed if the water inside is frozen. [5]
Best: Nature’s Own Thick-Sliced White Bread. $2.97 . While the majority of the white bread brands I tried were extremely similar, the top two sit in a major league of their own.
Some studies have shown that alcohol is good for your health, making things even more confusing, Dr. Jim Liu, a cardiologist at the Ohio State University Wexner Medical Center, tells Yahoo Life ...