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Fig. 6C. Physiologic hydronephrosis of pregnancy and enlarged right
ovarian vein in 24-year-old woman at 36 weeks' gestation who presented with
abdominal pain just superior to and right of her umbilicus. Coronal (A
and B) and sagittal (C) half-Fourier single-shot fast spin-echo
images (TR/TE, single shot/62; flip angle, 130 °; matrix, 192 x 256;
field of view, 35 cm; and slice thickness, 4 mm) show mild right-sided
hydronephrosis. Enlarged right ovarian vein (arrows, B) is
well visualized as dark tubular structure because of flowing blood. Tapering
ureter (arrowhead, C) just posterior to ovarian vein
(arrow, C) is well visualized.