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case_images: Showing an expansile lytic lesion in the right superior pubic ramus on the pre-operative pelvic radiograph.
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case_images: A pelvic radiograph revealed an expansile lytic lesion involving the right superior pubic ramus (Figure 1).
case_images: Showing an expansile osseous mass with multiple cystic components in the right superior pubic ramus as appeared on the pre-operative pelvic MRI.
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case_images: A pelvic MRI showed an expansile multicystic bony lesion measuring 6.8 x 3.3 x 4.5 cm with multiple fluid-fluid levels involving the right pubic ramus (Figure 2).
case_images: Showing complete curettage of the lesion as appeared on the intra-operative pelvic radiograph.
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case_images: Afterwards, using a modified Stoppa approach, an extensive curettage of the cyst was done followed by irrigation with alcohol and saline (Figure 3).
case_images: Showing the pelvic radiograph at different follow-up stages ((A) postoperative day 0, (B) postoperative day 17, (C) 8 months post-operatively, (D) 12 months post-operatively).
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case_images: Demineralized bone matrix and synthetic biphasic calcium phosphate granules bone graft were subsequently impacted (Figure 4A). The follow-up pelvic radiographs at 17 days, 8 months, and 12 months post-operatively demonstrated that the bone grafted site has matured satisfactorily as shown in Figures 4B-D, respectively.