Mimics of adnexal masses can include uterine leiomyomas, intraperitoneal cystic and solid masses of mesenteric or gastrointestinal origin, and extraperitoneal cystic and solid masses. When a pelvic mass is discovered on imaging, a radiologist should recognize these mimics to avoid mischaracterization of a mass as ovarian for optimal patient management. Knowledge of pelvic anatomy, determining whether a mass is intraperitoneal or extraperitoneal, and troubleshooting with MR imaging can help determine the etiology and origin of a pelvic mass. Imaging characteristics and keys to diagnosis of these adnexal mass mimics are reviewed in this article.
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| http://dx.doi.org/10.1016/j.mric.2022.06.007 | DOI Listing |
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Article Synopsis
- Gastrointestinal smooth muscle tumors, particularly leiomyomas, are rare in the colon and mostly benign, often found in middle-aged and older adults.
- A case report describes a 52-year-old man who had a 5-mm polyp in the ascending colon, which was diagnosed as an inflamed submucosal leiomyoma after removal and histopathological examination.
- Although benign, diagnosing intestinal leiomyoma can be challenging due to its resemblance to other tumors, and while imaging can help, definitive diagnosis usually requires a tissue examination; treatment options include polypectomy and surgical excision.
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