Androgen insensitivity syndrome

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

Primary amenorrhea.

Patient Data

Age: 25 years
Gender: Female

The MRI sequences demonstrate:

  • female external genitalia
  • absence of the uterus, cervix and upper 2/3 of the vagina
  • both testes are well-visualized along the inguinal canals
  • Non-visualization of both ovaries

Case Discussion

The MRI features and the karyotype (46 XY in this case) are consistent with androgen insensitivity syndrome with female external genitalia (male pseudohermaphroditism).

The main differential diagnosis is Mayer-Rokitansky-Kuster-Hauser syndrome which has a female karyotype with normal female genitalia, and ovaries, but the uterus is rudimentary or absent.

Additional contributor: M. Slougui MD, CHU Constantine.

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