Radiological signs

1. Gynecological imaging
Dr Dalia El Said MD

2. Koala bear sign
Pelvic inflammatory disease
Uterus
UB

3. Koala bear sign
Pelvic inflammatory disease
( tubo-ovarian abscesses)
Uterus

4. Pokémon sign
Ovarian
dermoid cyst.
Rokitansky nodule.

5. Dermoid cyst
Pokémon sign
(ovarian)
Floating balls
sign
F= Floating spheres of
lipid material.
(ovarian)
Sack of
marbles sign
(Head & neck)

6. Canal of Nuck
hernia
• Herniation of left
ovary into canal
of Nuck.
• Coronal STIR.

7. Canal of Nuck
hernia
Once diagnosed
surgery is required
due to the high rate
of ovarian torsion .

8. Canal of Nuck
hernia
Other pathology
• Hydrocele of canal
of Nuck
• Endometriosis of
canal of Nuck