PMC5664234_01
Initial MR and CT Imaging showing a substantial right-sided cystic tumor of the pelvis infiltrating associated neuroforamina.
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In the following, an abdominal CT scan was performed revealing an osteolytic involvement of the right ileum, os sacrum, and the right-sided neuroforamina s1-s4 (Figure 1).
Preoperative follow-up CT scan showing a notable increase in cortical thickness.
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Follow-up examination and CT imaging were performed every three months and revealed a significant reduction in pain and a notable increase in cortical thickness, while less mineralization of the cyst cavity was seen (Figure 2).
Follow-up CT scan of the pelvis showing stable disease after discontinuation of the second cycle of Denosumab treatment for fifteen months.
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Denosumab has been discontinued for fifteen months with clinical and radiological examination showing a stable disease so far (Figure 3).