The effect of image size on nuchal translucency measurement | Zendy

Edwards Andrew | Zendy; Mulvey Sheila | Zendy; Wallace Euan M. | Zendy

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The effect of image size on nuchal translucency measurement

Author(s) -

Edwards Andrew,

Mulvey Sheila,

Wallace Euan M.

Publication year - 2003

Publication title -

prenatal diagnosis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.956

H-Index - 97

eISSN - 1097-0223

pISSN - 0197-3851

DOI - 10.1002/pd.577

Subject(s) - magnification , nuchal translucency , medicine , nuclear medicine , singleton , pregnancy , physics , optics , gestation , first trimester , biology , genetics

Objectives To assess the effect of altering image size on the absolute nuchal translucency (NT) measurement. Methods NT was measured at three image magnifications (60%, 100% and 200%) in 120 singleton pregnancies. Results The mean ± SD NT measurements were 1.52 ± 0.57 mm, 1.35 ± 0.53 mm and 1.18 ± 0.48 mm at 60%, 100% and 200% magnification, respectively ( p = 0.00001). Conclusions The measurement of NT decreases significantly with increasing image size. Optimisation of NT as a method of screening will require agreed standardisation of image magnification. Copyright © 2003 John Wiley & Sons, Ltd.

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