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© RSNA, 2007

MR Imaging of Acute Right Lower Quadrant Pain in Pregnant and Nonpregnant Patients: Invited Commentary

Figure E1. Coronal single-shot fast SE image shows the dilated appendix containing intraluminal fluid and gas (arrows).

Figure E2. Coronal single-shot fast SE image shows the intraluminal ovoid low-signal-intensity filling defect (arrowhead), which is consistent with an appendicolith.

Figure E3. Axial T1-weighted GRE image shows the appendix (arrows) with a normal diameter and the absence of peri

Figure E4. Axial T1-weighted GRE image shows the appendix (arrows) with a normal diameter and the absence of periappendiceal edema.

Figure E5. Coronal single-shot fast SE image shows a prominent appendix (arrows) with a diameter of 8 mm, as well as the gas-filled lumen and the absence of wall thickening or periappendiceal edema. C = cecum.

Figure E6. Steady-state free precession (FIESTA) image obtained with fat suppression shows the lack of wall thickening more clearly (arrows).

Figure E7. Uterine myoma in a 35-year-old woman at 13 weeks gestation who presented with RLQ pain. Coronal fat-suppressed single-shot fast SE image shows a normal-diameter appendix (arrows) containing intraluminal fluid. There is no periappendiceal edema. U = uterus.

Figure E8. Uterine myoma in a 35-year-old woman at 13 weeks gestation who presented with RLQ pain. Coronal fat-suppressed single-shot fast SE image shows a large exophytic myoma (arrowheads) projecting off the right uterine fundus and a small amount of free fluid (arrow). The myoma corresponded to the point of maximal tenderness at physical examination. U = uterus.

Figure E9. Axial single-shot fast SE image shows the tortuous tubular structure (arrows) medial to the right colon that mimics the appendix.

Figure E10. Axial steady-state free precession (FIESTA) image shows the tortuous tubular structure (thick arrows) medial to the right colon that mimics the appendix. The high signal intensity of the structure is similar to that of the right ovarian vein (thin arrows) and inferior vena cava (arrowhead), thus confirming that the structure is an ovarian vein branch.

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