Modified Kraske Procedure with Mid-Sacrectomy and Coccygectomy for En Bloc Excision of Sacral Giant Cell Tumors

Figure 1

Preoperative T2-weighted contrast enhanced MRI showing an expansive and osteolytic lower and mid-sacral lesion, extending up to the inferior half of S2 vertebra, with both intra- and extracanalar components and a ventral extension displacing the rectum anteriorly. (a) Coronal, (b) sagittal, and (c) axial views.

(a)

(b)

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