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Prospective Study
Copyright: ©Author(s) 2026.
World J Radiol. May 28, 2026; 18(5): 119223
Published online May 28, 2026. doi: 10.4329/wjr.v18.i5.119223
Figure 1
Figure 1 Transvaginal ultrasound findings of endometriotic rectal nodules. A: Transvaginal ultrasound of an endometriotic rectal nodule; B: Another case of an endometriotic rectal nodule as observed by transvaginal ultrasound.
Figure 2
Figure 2 Comparative assessment of rectal nodule vascularization using conventional power doppler and microvascular flow in four cases. A: Case 1: Power Doppler (vascular score 1) vs microvascular flow (vascular score 4); B: Case 2: Power Doppler (vascular score 1) vs microvascular flow (vascular score 4); C: Case 3: Power Doppler (vascular score 1) vs microvascular flow (vascular score 2); D: Case 4: Power Doppler (vascular score 1) vs microvascular flow (vascular score 2).
Figure 3
Figure 3 Histogram depicting the distribution of cases according to vascular score using conventional power Doppler and microvascular flow. MV: Microvascular.


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