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Westermark's Sign-focal or regional pulmonary oligemia seen occasionally distal to occlusive thromboembolic disease in the lung
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Whiskering-irregular bone growth at sites of tendinous insertions; enthesophytes, seen in DJD, DISH and spondyloarthropathies |
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Waterbottle Heart-globular shape of heart from a large pericardial effusion |
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Wimberger's Ring Sign-denser white line of calcification encircling the osteoporotic epiphyses in scurvy |
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Wimberger's Sign-bilateral focal destruction of the medial aspect, proximal tibial metaphyses; pathognomonic for congenital syphilis |
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Water Lily Sign-collapse of inner wall of hydatid cyst into a partially air-filled, partially fluid-filled cavity |
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Whirlpool Sign-clockwise swirling of Sup. Mesenteric V. around Sup. Mesenteric A. on transverse abdominal US in infants with midgut volvulus |
