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Diagnostic Ultrasound - Abdomen and Pelvis

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Ovaries<br />

Anatomy: <strong>Pelvis</strong><br />

CYCLIC CHANGES OF INTRAOVARIAN ARTERY<br />

Ovarian vein<br />

Ovarian artery<br />

Developing follicles<br />

Ovarian hilum <strong>and</strong> intraovarian artery<br />

Internal iliac artery<br />

Internal iliac vein<br />

Corpus luteum<br />

Artery around wall of corpus luteum<br />

Corpus luteum<br />

(Top) Color Doppler TA ultrasound shows an inactive ovary. The ovary demonstrates a hilar artery surrounded by small developing<br />

follicles in the early follicular phase. Note the nondominant ovary may show similar appearance as an inactive ovary. (Middle)<br />

Longitudinal TV ultrasound of the ovary in the early luteal phase is shown. A corpus luteum with low-level internal echoes is seen<br />

following ovulation. The wall of the corpus luteum usually displays the most intense color pattern. (Bottom) Transverse TV ultrasound<br />

in midluteal phase is shown. The ovary shows a regressing corpus luteum with typical peripheral color Doppler vascularity.<br />

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