Ovaries and Adnexa
Figure 28.1.1Simple ovarian cyst. A: Coronal (COR RO) and (B) sagittal (SAG RO) images of the right ovary demonstrating a simple ovarian cyst (arrows). Normal ovarian tissue (arrowheads) is seen…
Therapeutic Obstetrical Procedures
Figure 23.1.1Intravascular blood transfusion into the umbilical vein at its placental insertion. A: Using ultrasound, a needle (arrowheads) was guided to place its tip into the umbilical vein. B: Blood…
Chromosomal Anomalies
Figure 14.1.1Trisomy 13 with holoprosencephaly, hypotelorism, echogenic kidneys, and midline facial defect. A: Coronal image of fetal head demonstrating fusion of the ventricles into a large monoventricle (arrows) and absence…
Extremities
Figure 13.1.1Thanatophoric dysplasia. A: Sonogram of right lower leg demonstrating bowing of both the tibia (arrow) and the fibula (arrowhead). Both long bones are markedly short for gestational age. B:…
Endometrium
Figure 27.1.1Endometrial polyp. A: Sagittal transvaginal view of the uterus demonstrates a homogeneously echogenic mass (calipers) in the endometrium, representing a polyp. B: Color Doppler demonstrates a single feeding vessel…
Myometrium
Figure 26.1.1Intramural fibroid. A: Sagittal (SAG UT) and (B) coronal (COR UT) transvaginal views of the uterus demonstrate a large fibroid (calipers) within the body of the uterus. C: Color…
Ectopic Pregnancy
Figure 29.1.1Ectopic pregnancy with an extrauterine gestational sac containing a live embryo. A: Transvaginal view of the uterus and left adnexa demonstrates a gestational sac (calipers) containing an embryo (arrow),…
Diagnosis and Characterization of Multiple Gestations
Figure 20.1.1Twins at 5.0 weeks diagnosed by counting gestational sacs. A: Sagittal view of the uterus demonstrates two gestational sacs (arrows). No yolk sac or embryo is identifiable within either…
Uterus and Cervix
Figure 17.1.1Cervical length measurement. A: Transabdominal measurement (calipers) when the internal os (arrow) is closed (i.e., no funneling). B: Transvaginal measurement (calipers) when the internal os (long arrow) is open…
