Pelvic masses in pregnant patients: MR and US imaging

J. C. Weinreb, C. E. Brown, T. W. Lowe, J. M. Cohen, W. A. Erdman

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67 Scopus citations

Abstract

Sixteen pregnant patients with pelvic masses detected with ultrasound (US) were studied with magnetic resonance (MR) imaging at 0.35 T. Two patients were in their first trimester, eight in the second, and six in the last. On MR images, 34 masses were seen, including 19 uterine leiomyomas. With US, 20 masses were detected. All masses not seen with US were leiomyomas. Only 20 masses (in 11 patients) were removed for histologic study. In nine cases, MR imaging and US provided similar information on the origin, extent, and type of mass. In seven patients, MR imaging contributed additional information. MR imaging depicted more leiomyomas than US in three patients. In another case, MR images showed that a mass depicted with US was actually a loop of bowel. MR images allowed differentiation between a solid soft-tissue mass and a hemorrhagic fluid-containing mass, correctly depicted the presence of an abdominal pregnancy, and allowed evaluation of the parametrium for spread of cervical carcinoma.

Original languageEnglish (US)
Pages (from-to)717-724
Number of pages8
JournalRADIOLOGY
Volume159
Issue number3
DOIs
StatePublished - Jan 1 1986

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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    Weinreb, J. C., Brown, C. E., Lowe, T. W., Cohen, J. M., & Erdman, W. A. (1986). Pelvic masses in pregnant patients: MR and US imaging. RADIOLOGY, 159(3), 717-724. https://doi.org/10.1148/radiology.159.3.3517956