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The clinical value of combined use of MR imaging and multi-slice spiral CT in limb salvage surgery for orthopaedic oncology patients: initial experience in nine patients.

Xu J, Shen J, Ding Y, Shen HY, Zeng ZP, Ma RF, Li CH, Barden B - Radiol Oncol (2012)

Bottom Line: Preoperative planning including determination of the osteotomy plane and diameters of the prosthesis was performed basing on the preoperative CT and MR images.An excellent functional outcome was achieved in all patients.In the present study, MRI was found to be superior to CT for determining the tumour extension, combined use of MRI and CT measurement provided high precision for the fit of the prosthesis and excellent functional results.

View Article: PubMed Central - PubMed

Affiliation: Department of Orthopaedic Surgery, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, 107 Yanjiangxi Road, 510120, Guangzhou, P. R. China.

ABSTRACT

Background: The purpose of this prospective study was to evaluate the value of the combined use of MR imaging and multi-slice spiral CT for limb salvage surgery in orthopaedic oncology patients.

Patients and methods: Nine consecutive patients with lower/upper limb malignant bone tumours (7 osteosarcomas and 2 chondrosarcomas) were treated with limb-salvaging procedures. Preoperative planning including determination of the osteotomy plane and diameters of the prosthesis was performed basing on the preoperative CT and MR images. The histopathology was performed as golden diagnostic criteria to evaluate the accuracy of CT and MR-based determination for tumour's boundary.

Results: The tumour extension measured on MRI was consistent with the actual extension (P>0.05, paired Student's t test), while the extension measured on CT imaging was less than the actual extension. The length, offset and alignment of the affected limb were reconstructed accurately after the operation. An excellent functional outcome was achieved in all patients.

Conclusions: In the present study, MRI was found to be superior to CT for determining the tumour extension, combined use of MRI and CT measurement provided high precision for the fit of the prosthesis and excellent functional results.

No MeSH data available.


Related in: MedlinePlus

Postoperative assessment of prosthesis. A male, 31-year-old patient with chondrosarcoma in the proximal femur. Preoperative volume rendering images (A) and postoperative anterior-posterior plain film (B) demonstrate that the length and offset were accurately reconstructed.
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Related In: Results  -  Collection

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f4-rado-46-03-189: Postoperative assessment of prosthesis. A male, 31-year-old patient with chondrosarcoma in the proximal femur. Preoperative volume rendering images (A) and postoperative anterior-posterior plain film (B) demonstrate that the length and offset were accurately reconstructed.

Mentions: Before and after operation, there was no significant difference in the length and offset of affected lower limb (Table 4, Figure 3, 4).


The clinical value of combined use of MR imaging and multi-slice spiral CT in limb salvage surgery for orthopaedic oncology patients: initial experience in nine patients.

Xu J, Shen J, Ding Y, Shen HY, Zeng ZP, Ma RF, Li CH, Barden B - Radiol Oncol (2012)

Postoperative assessment of prosthesis. A male, 31-year-old patient with chondrosarcoma in the proximal femur. Preoperative volume rendering images (A) and postoperative anterior-posterior plain film (B) demonstrate that the length and offset were accurately reconstructed.
© Copyright Policy - open-access
Related In: Results  -  Collection

License 1 - License 2
Show All Figures
getmorefigures.php?uid=PMC3472943&req=5

f4-rado-46-03-189: Postoperative assessment of prosthesis. A male, 31-year-old patient with chondrosarcoma in the proximal femur. Preoperative volume rendering images (A) and postoperative anterior-posterior plain film (B) demonstrate that the length and offset were accurately reconstructed.
Mentions: Before and after operation, there was no significant difference in the length and offset of affected lower limb (Table 4, Figure 3, 4).

Bottom Line: Preoperative planning including determination of the osteotomy plane and diameters of the prosthesis was performed basing on the preoperative CT and MR images.An excellent functional outcome was achieved in all patients.In the present study, MRI was found to be superior to CT for determining the tumour extension, combined use of MRI and CT measurement provided high precision for the fit of the prosthesis and excellent functional results.

View Article: PubMed Central - PubMed

Affiliation: Department of Orthopaedic Surgery, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, 107 Yanjiangxi Road, 510120, Guangzhou, P. R. China.

ABSTRACT

Background: The purpose of this prospective study was to evaluate the value of the combined use of MR imaging and multi-slice spiral CT for limb salvage surgery in orthopaedic oncology patients.

Patients and methods: Nine consecutive patients with lower/upper limb malignant bone tumours (7 osteosarcomas and 2 chondrosarcomas) were treated with limb-salvaging procedures. Preoperative planning including determination of the osteotomy plane and diameters of the prosthesis was performed basing on the preoperative CT and MR images. The histopathology was performed as golden diagnostic criteria to evaluate the accuracy of CT and MR-based determination for tumour's boundary.

Results: The tumour extension measured on MRI was consistent with the actual extension (P>0.05, paired Student's t test), while the extension measured on CT imaging was less than the actual extension. The length, offset and alignment of the affected limb were reconstructed accurately after the operation. An excellent functional outcome was achieved in all patients.

Conclusions: In the present study, MRI was found to be superior to CT for determining the tumour extension, combined use of MRI and CT measurement provided high precision for the fit of the prosthesis and excellent functional results.

No MeSH data available.


Related in: MedlinePlus