Intrauterine Pregnancy
Transabdominal obstetrical ultrasound showing fetus developing within the amniotic sac.
Head
Head Circumference and Biparietal Diameter (Courtesy of Dr. W. Whittle)
Femur
Femur Length (one end of the femur is not visible) (Courtesy of Dr. W. Whittle)
Ectopic Pregnancy
Transvaginal ultrasounds showing an ectopic pregnancy (left) and a normal intrauterine pregnancy (right). In the image on the left, the uterus is empty, and there is a fetus located in the pelvis (arrow). In the image on the right, a fetus is seen developing within the body of the uterus, surrounded by amniotic fluid (black). (Courtesy of Dr. N. Jaffer)
Crown-Rump
Crown-Rump Length (Courtesy of Dr. W. Whittle)
Amniotic Fluid
Amniotic Fluid Index (Courtesy of Dr. W. Whittle)
Abdominal
Abdominal Circumference (Courtesy of Dr. W. Whittle)
Gallium Scan
Patient with lymphoma. Incorporation is seen in the right knee.
Vestibular Schwannoma
Tumour in cerebellopontine angle. [Courtesy of Dr. W. Montanera]
Thalamic Glioma
Axial CT with contrast showing a ring enhancing lesion over the left thalamic region with central necrosis. [Courtesy of Dr. J. Spears]
