Article ; Online: Adnexal Torsion: Review of Radiologic Appearances.
Radiographics : a review publication of the Radiological Society of North America, Inc
2021 Volume 41, Issue 2, Page(s) 609–624
Abstract: Adnexal torsion is the twisting of the ovary, and often of the fallopian tube, on its ligamental supports, resulting in vascular compromise and ovarian infarction. The definitive management is surgical detorsion, and prompt diagnosis facilitates ... ...
| Abstract | Adnexal torsion is the twisting of the ovary, and often of the fallopian tube, on its ligamental supports, resulting in vascular compromise and ovarian infarction. The definitive management is surgical detorsion, and prompt diagnosis facilitates preservation of the ovary, which is particularly important because this condition predominantly affects premenopausal women. The majority of patients present with severe acute pain, vomiting, and a surgical abdomen, and the diagnosis is often made clinically with corroborative US. However, the symptoms of adnexal torsion can be variable and nonspecific, making an early diagnosis challenging unless this condition is clinically suspected. When adnexal torsion is not clinically suspected, CT or MRI may be performed. Imaging has an important role in identifying adnexal torsion and accelerating definitive treatment, particularly in cases in which the diagnosis is not an early consideration. Several imaging features are characteristic of adnexal torsion and can be seen to varying degrees across different modalities: a massive, edematous ovary migrated to the midline; peripherally displaced ovarian follicles resembling a string of pearls; a benign ovarian lesion acting as a lead mass; surrounding inflammatory change or free fluid; and the uterus pulled toward the side of the affected ovary. Hemorrhage and absence of internal flow or enhancement are suggestive of ovarian infarction. Pertinent conditions to consider in the differential diagnosis are a ruptured hemorrhagic ovarian cyst, massive ovarian edema, ovarian hyperstimulation, and a degenerating leiomyoma. |
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| MeSH term(s) | Adnexal Diseases/diagnostic imaging ; Female ; Humans ; Magnetic Resonance Imaging ; Ovarian Cysts ; Ovarian Torsion ; Torsion Abnormality/diagnostic imaging ; Torsion Abnormality/surgery |
| Language | English |
| Publishing date | 2021-02-12 |
| Publishing country | United States |
| Document type | Journal Article ; Review |
| ZDB-ID | 603172-9 |
| ISSN | 1527-1323 ; 0271-5333 |
| ISSN (online) | 1527-1323 |
| ISSN | 0271-5333 |
| DOI | 10.1148/rg.2021200118 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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