Endometriosis of canal of Nuck

Endometriosis affecting the canal of Nuck is an extremely rare site for endometriosis. It is proposed that retrograde implantation of endometrial tissue into patent canal of Nuck could give rise to the condition.

The condition is presented as a painful inguinal swelling. Usually unaffected by menstrual cycle 1.

It appears as a hypoechoic nodule with poor through transmission 2.

MRI can provide diagnosis and evaluation of extension of endometriosis. There are two patterns observed prevalently solid and prevalently cystic. Areas of haemorrhage can be appreciated 2,3.  

  • T1
    • it appears homogeneously hypointense nodule and with hyperintense areas it there is a haemorrhage.
  • T2
    • it appears as an intermediate signal intensity lesion
  • T1 C+ (Gd)
    • homogeneous enhancement is seen


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Article information

rID: 39782
System: Gynaecology
Synonyms or Alternate Spellings:
  • Endometriosis affecting the canal of Nuck
  • Canal of Nuck endometriosis

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