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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
TERMINOLOGY
Synonyms
- Inguinal ovarian hernia, canal of Nuck hernia
Definitions
- Ectopic ovary: Abnormally located ovary
- Inguinal ovarian hernia (95%): Presents as labial mass
- Intraabdominal ectopia: Incidental or iatrogenic
- Nonstandard ovarian location is common & usually incidental (due to long ovarian ligaments)
- Nonpelvic location is sometimes seen after numerous or complex abdominopelvic surgeries
- Ovarian transposition is sometimes performed to preserve fertility prior to radiation therapy
- Retroperitoneal location is extremely rare
- Ectopic ovary: Abnormally located ovary
IMAGING
General Features
Ultrasonographic Findings
CT Findings
MR Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
CLINICAL ISSUES
Presentation
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
- Rosa F et al: How embryology knowledge can help radiologists in the differential diagnosis of canal of Nuck pathologies. Radiol Med. 126(7):910-24, 2021
- Morabito G et al: A young girl with right ovarian torsion and left ovarian ectopy. Ital J Pediatr. 46(1):51, 2020
- Chan D et al: Canal of Nuck hernias. Acta Radiol Open. 8(12):2058460119889867, 2019
- Jedrzejewski G et al: Nuck canal hernias, typical and unusual ultrasound findings. Ultrasound Q. 35(1):79-81, 2019
- Thomas AK et al: Canal of Nuck abnormalities. J Ultrasound Med. 39(2):385-95, 2019
- Turkgeldi L et al: Laparoscopic ovarian transposition and ovariopexy for fertility preservation in patients treated with pelvic radiotherapy with or without chemotherapy. Facts Views Vis Obgyn. 11(3):235-42, 2019
- Arian SE et al: Ovarian transposition: a surgical option for fertility preservation. Fertil Steril. 107(4):e15, 2017
- Castro AD et al: Ectopic ovary with torsion: uncommon diagnosis made by ultrasound. Radiol Bras. 50(1):60-1, 2017
- Moawad NS et al: Laparoscopic ovarian transposition before pelvic cancer treatment: ovarian function and fertility preservation. J Minim Invasive Gynecol. 24(1):28-35, 2017
- Sameshima YT et al: The challenging sonographic inguinal canal evaluation in neonates and children: an update of differential diagnoses. Pediatr Radiol. 47(4):461-72, 2017
- Karadeniz Cerit K et al: Inguinal hernia containing uterus, fallopian tube, and ovary in a premature newborn. Case Rep Pediatr. 807309, 2015
- Kollia P et al: True ectopic ovary in the right iliac fossa mimicking acute appendicitis and associated with ipsilateral renal agenesis. J Obstet Gynaecol Res. 40(3):858-61, 2014
- Webb JB et al: The management of an ectopic ovary in the inguinal canal: literature review and discussion. Pediatr Surg Int. 30(10):1075-8, 2014
- Yang DM et al: Ultrasonographic diagnosis of ovary-containing hernias of the canal of Nuck. Ultrasonography. 33(3):178-83, 2014
- Aydin R et al: Gray-scale and color Doppler ultrasound imaging findings of an ovarian inguinal hernia and torsion of the herniated ovary: a case report. Pediatr Emerg Care. 29(3):364-5, 2013
- Cascini V et al: Irreducible indirect inguinal hernia containing uterus and bilateral adnexa in a premature female infant: report of an exceptional case and review of the literature. J Pediatr Surg. 48(1):e17-9, 2013
- Irtan S et al: Ovarian transposition in prepubescent and adolescent girls with cancer. Lancet Oncol. 14(13):e601-8, 2013
- Demirel F et al: Inguinal ovary as a rare diagnostic sign of Mayer-Rokitansky-Küster-Hauser syndrome. J Pediatr Endocrinol Metab. 25(3-4):383-6, 2012
- Ming YC et al: Inguinal hernia containing uterus and uterine adnexa in female infants: report of two cases. Pediatr Neonatol. 52(2):103-5, 2011
- Uyar I et al: Ectopic ovary confirmed by ovarian stimulation in a case of unicornuate uterus. Fertil Steril. 96(2):e122-4, 2011
- Osifo OD et al: Inguinal hernia in Nigerian female children: beware of ovary and fallopian tube as contents. Hernia. 13(2):149-53, 2009
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
TERMINOLOGY
Synonyms
- Inguinal ovarian hernia, canal of Nuck hernia
Definitions
- Ectopic ovary: Abnormally located ovary
- Inguinal ovarian hernia (95%): Presents as labial mass
- Intraabdominal ectopia: Incidental or iatrogenic
- Nonstandard ovarian location is common & usually incidental (due to long ovarian ligaments)
- Nonpelvic location is sometimes seen after numerous or complex abdominopelvic surgeries
- Ovarian transposition is sometimes performed to preserve fertility prior to radiation therapy
- Retroperitoneal location is extremely rare
- Ectopic ovary: Abnormally located ovary
IMAGING
General Features
Ultrasonographic Findings
CT Findings
MR Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
CLINICAL ISSUES
Presentation
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
- Rosa F et al: How embryology knowledge can help radiologists in the differential diagnosis of canal of Nuck pathologies. Radiol Med. 126(7):910-24, 2021
- Morabito G et al: A young girl with right ovarian torsion and left ovarian ectopy. Ital J Pediatr. 46(1):51, 2020
- Chan D et al: Canal of Nuck hernias. Acta Radiol Open. 8(12):2058460119889867, 2019
- Jedrzejewski G et al: Nuck canal hernias, typical and unusual ultrasound findings. Ultrasound Q. 35(1):79-81, 2019
- Thomas AK et al: Canal of Nuck abnormalities. J Ultrasound Med. 39(2):385-95, 2019
- Turkgeldi L et al: Laparoscopic ovarian transposition and ovariopexy for fertility preservation in patients treated with pelvic radiotherapy with or without chemotherapy. Facts Views Vis Obgyn. 11(3):235-42, 2019
- Arian SE et al: Ovarian transposition: a surgical option for fertility preservation. Fertil Steril. 107(4):e15, 2017
- Castro AD et al: Ectopic ovary with torsion: uncommon diagnosis made by ultrasound. Radiol Bras. 50(1):60-1, 2017
- Moawad NS et al: Laparoscopic ovarian transposition before pelvic cancer treatment: ovarian function and fertility preservation. J Minim Invasive Gynecol. 24(1):28-35, 2017
- Sameshima YT et al: The challenging sonographic inguinal canal evaluation in neonates and children: an update of differential diagnoses. Pediatr Radiol. 47(4):461-72, 2017
- Karadeniz Cerit K et al: Inguinal hernia containing uterus, fallopian tube, and ovary in a premature newborn. Case Rep Pediatr. 807309, 2015
- Kollia P et al: True ectopic ovary in the right iliac fossa mimicking acute appendicitis and associated with ipsilateral renal agenesis. J Obstet Gynaecol Res. 40(3):858-61, 2014
- Webb JB et al: The management of an ectopic ovary in the inguinal canal: literature review and discussion. Pediatr Surg Int. 30(10):1075-8, 2014
- Yang DM et al: Ultrasonographic diagnosis of ovary-containing hernias of the canal of Nuck. Ultrasonography. 33(3):178-83, 2014
- Aydin R et al: Gray-scale and color Doppler ultrasound imaging findings of an ovarian inguinal hernia and torsion of the herniated ovary: a case report. Pediatr Emerg Care. 29(3):364-5, 2013
- Cascini V et al: Irreducible indirect inguinal hernia containing uterus and bilateral adnexa in a premature female infant: report of an exceptional case and review of the literature. J Pediatr Surg. 48(1):e17-9, 2013
- Irtan S et al: Ovarian transposition in prepubescent and adolescent girls with cancer. Lancet Oncol. 14(13):e601-8, 2013
- Demirel F et al: Inguinal ovary as a rare diagnostic sign of Mayer-Rokitansky-Küster-Hauser syndrome. J Pediatr Endocrinol Metab. 25(3-4):383-6, 2012
- Ming YC et al: Inguinal hernia containing uterus and uterine adnexa in female infants: report of two cases. Pediatr Neonatol. 52(2):103-5, 2011
- Uyar I et al: Ectopic ovary confirmed by ovarian stimulation in a case of unicornuate uterus. Fertil Steril. 96(2):e122-4, 2011
- Osifo OD et al: Inguinal hernia in Nigerian female children: beware of ovary and fallopian tube as contents. Hernia. 13(2):149-53, 2009
