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Initially on ultrasound it will appear as an anechoic suprarenal mass with variable compression and displacement of the kidney.
The fact that this has pencil thin walls, is anechoic (has no echoes coming from it), and shows through transmission shows that this is a benign cyst.
The lab includes a fully anechoic chamber for engine and transmission studies as well as a semi-anechoic chamber with a 160 hp chassis-dyno for full vehicle testing.
On ultrasound, the diagnosis of cystic lymphangioma is suggested by the presence of a well-marginated, anechoic lesion, typically located at the suprarenal area, which can show shadows or echoes when calcifications are present.
To achieve this low acoustic signature, the Virginia incorporates newly designed anechoic coatings, isolated deck structures and a new design of propulsor.
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