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3 Cards in this Set
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- Back
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Ring down artifact
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Theory: In ring-down artifact, the transmitted ultrasound energy causes resonant vibrations within fluid trapped between a tetrahedron of air bubbles. These vibrations create a continuous sound wave that is transmitted back
to the transducer. Manifested: phenomenon is displayed as a line or series of parallel bands extending posterior to a gas collection. |
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Nebothian cyst
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Deffinition: cyst of the cervix seperate from the endocervical canal
PathoPhys: Metaplasia of covered nebothian glands by squamous cells. Or chronic cervicitis leads to stenosis of glands. Category: Neoplasm Demographics: Reproductive years. Very common rarely treated. Chracteristics: can have internal debris. Usually less than 4 cm. DDx: Cystic Endocervical Mucus Polyp Abortion in Progress Cervical Incompetence |
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