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Fig. 4 | BMC Cancer

Fig. 4

From: The usefulness of wide excision assisted by a computer navigation system and reconstruction using a frozen bone autograft for malignant acetabular bone tumors: a report of two cases

Fig. 4

Preoperative and postoperative assessments in case 2: A 71-year-old woman with dedifferentiated chondrosarcoma of the pelvis (PII-III). a) Preoperative magnetic resonance imaging. b Preoperative plan involving the use of a computer navigation system. The osteotomy line was planned as indicated by the yellow surface. c After osteotomy d Procedure of freezing in liquid nitrogen. e Radiograph obtained at 33 months after reconstruction. f Computed tomography at 33 months after reconstruction. Bone union is observed, and osteoarthritis is not very prominent. g Pathological findings at biopsy (upper panel) and post-neoadjuvant chemotherapy (lower panel). After neoadjuvant chemotherapy, a necrotic change was observed

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BMC Cancer

ISSN: 1471-2407

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