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The use of vascularized free flaps has become the method of first choice for reconstructing extensive defects of bone and soft tissue. In the planning of reconstruction using perforator flaps, precise information about the course, position, and caliber of perforators is extremely important. Doppler ultrasonography is the method most commonly used for preoperative identification of perforators, but the examination is sometimes too sensitive. On the other hand, technical developments of multidetector-row computed tomography (MDCT) have dramatically changed the use of CT angiography in the assessment of vascular abnormalities (Fig. 1). In this paper, we report on the usefulness of MDCT for identification of perforators preoperatively.

Usefulness of Multidetector-Row Computed Tomography in the Planning and Postoperative Assessment of Perforator Flaps