Amenorrhea CT

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Eiman Ghaffarpasand, M.D. [2]

Overview

There are no CT scan findings associated with amenorrhea. However, a CT scan may be helpful in the diagnosis of the diseases that can cause amenorrhea, such as Turner syndrome, androgen insensitivity syndrome and also anatomic genital defects.

CT Scan

Coarctation of aorta - Case courtesy of Dr David Cuete, Via Radiopaedia.org

Undescended testis in androgen insensitivity syndrome, with some malignant transformations - Case courtesy of Dr Ian Bickle, Via Radiopaedia.org

Septate Uterus - Case courtesy of Dr Natalie Yang, Via Radiopaedia.org

• There are no CT scan findings associated with amenorrhea. However, a CT scan may be helpful in the diagnosis of the diseases that can cause amenorrhea, such as Turner syndrome, androgen insensitivity syndrome and also anatomic genital defects.

Turner syndrome

• The main finding on a CT angiogram suggestive of Turner syndrome is coarctation of aorta.
• The CT angiogram shows the presence of decreased caliber of the aorta in the isthmus at the arrival of the remaining segment of the ductus arteriosus.
• Opacification of the ductus arteriosus is observed in its entire length from its origin from the aorta.

Androgen insensitivity syndrome

• Findings on a CT scan suggestive of androgen insensitivity syndrome include:
  • Bilateral cryptorchidism
  • Juxta-testicular Mullerian duct cysts

Anatomic genital defects

• Findings on a CT scan suggestive of septate uterus include:
  • Convex fundal contour
  • Acute angle of < 75% between uterine cavities