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1. Normal prepubertal uterus

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Figure 53-1

Normal prepubertal uterus.

This 8-year-old girl was evaluated for clitoromegaly. A longitudinal sonographic image shows an age-appropriate configuration of the uterus. The dimensions are 3.7 × 0.9 cm.

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2. Normal prepubertal uterus

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Figure 53-2

Normal prepubertal uterus.

A. A sagittal T2-weighted image of an 11-month-old girl shows the normal tubular morphology of the uterus (arrows). There is a thin endometrial stripe central to the lower signal myometrium. B. The uterus (arrow) appears as an oval structure between the bladder and rectum on this axial image.

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3. Normal neonatal uterus

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Figure 53-3

Normal neonatal uterus.

A. A longitudinal sonographic image of a 9-day-old infant shows prominence of the fundus (arrows) relative to the cervix. B. An echogenic endometrial stripe (large arrow) is visible on this transverse image. The uterine dimensions are 3.0 × 1.3 cm.

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4. Vaginal and uterine agenesis (Müllerian agenesis)

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Figure 53-4

Vaginal and uterine agenesis (Müllerian agenesis).

A T2-weighted sagittal MR image of a 15-year-old girl with amenorrhea shows no uterine tissue. There are small fluid collections in the hypoplastic vagina (arrow). B, bladder; R, rectum.

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5. Unicornuate uterus

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Figure 53-5

Unicornuate uterus.

A vaginogram of an infant opacifies a right-sided uterine horn (arrow) and a normal vagina. Because this technique does not define the uterine soft tissue anatomy, the differential diagnosis includes unicornuate uterus and uterus didelphys with a vaginal septum.

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6. Uterus didelphys and longitudinal vaginal septum

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Figure 53-6

Uterus didelphys and longitudinal vaginal septum.

A vaginogram of an infant opacifies 2 hemivaginas (arrows) separated by a longitudinal septum. Contrast did not pass into the uterine cavities. There is also contrast in the colon from a preceding colon study.

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7. Uterus didelphys

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Figure 53-7

Uterus didelphys.

A transverse sonographic image of a 1-day-old infant shows 2 distinct uterine horns (arrows). The endometrial layers form slightly hyperechoic rings surrounding the hypoechoic uterine cavities.

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8. Incomplete bicornuate uterus

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Figure 53-8

Incomplete bicornuate uterus.

An axial sonographic image of an asymptomatic 17-year-old girl shows a cleft (arrow) in the external uterine fundal ...

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