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Focal adenomyosis - scar endometriosis

Case contributed by Ammar Haouimi
Diagnosis probable

Presentation

Painful nodule of the left paramedian pelvic wall in a patient with a history of two cesarian sections.

Patient Data

Age: 30 years
Gender: Female

The MRI demonstrate:

  • focal thickening of the endometrial-myometrial junctional zone (thickness = 16 mm) of anterior corporeal location in keeping with a focal adenomyosis
  • small nodular mass in the left rectus abdominis muscle measuring 20 x 16 x 12 mm, isointense to the muscle on both T1 and T2 with minimal enhancement, containing foci of high signal most likely in keeping with an ectopic endometrial tissue

Case Discussion

The MRI features are most consistent with focal adenomyosis with scar endometriosis within the rectus abdominis muscle.

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