Paratubal (Paraovarian) Cyst
Case Detail
Anatomy: Genitourinary |
![]() Joseph Junewick, MD FACR |
Diagnostic Category: Developmental or Congenital |
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Created: over 10 years ago |
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Updated: over 10 years ago |
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Tags:
PEDS
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Modality/Study Types:
CT
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Activities: ![]() ![]() |
History
14 year year old with abdominal pain and history of Crohn’s disease.
Case Images
Diagnosis
Paratubal (Paraovarian) Cyst
Clinical Notes
Pathology – Giant right paratubal cyst; hemorrhagic right corpus luteum cyst.
Findings
CT – Large fluid attenuation lesion pelvic mass extending into the abdomen. Note the right larger than left ovarian cysts.
Discussion
Paraovarian cysts account for 10%–20% of all adnexal masses. They arise from the mesosalpinx (the superior, free border of the broad ligament)which invests the fallopian tube. Paraovarian cysts occur over a wide age range, but they are most common in women in the 3rd and 4th decades of life. Paraovarian cysts vary in size although the average size at diagnosis is 8 cm. Bilateral cysts and multiple unilateral cysts have been documented. US, CT and MR typically depict a simple unilocular round or oval cyst separate from the ipsilateral ovary. Rarely, it may be complicated by torsion or hemorrhage. The presence of soft tissue within the cyst may indicate a benign or malignant neoplasm (cystadenoma or cystadenocarcinoma), a rare complication.
Reference
Moyle PL, Yataoka MY, Nakai A et al. Nonovarian Cystic Lesions of the Pelvis. RadioGraphics (2010); 30: 921-938.