Abstract #3436
Oral squamous cell carcinomas invasive to the mandible: Evaluation with thin cross-sectional multiplanar reconstruction MR images using 3D sequences on a 3T scanner
Hirofumi Kuno 1 , Hiroaki Onaya 2 , Kotaro Sekiya 1 , Satoshi Fujii 3 , and Mitsuo Satake 1
1
Diagnostic Radiology Division, National
Cancer Center Hospital East, Kashiwa, Chiba, Japan,
2
Diagnostic
Radiology Division, National Cancer Center Hospital,
Chuo-ku, Tokyo, Japan,
3
Pathology
Division, National Cancer Center Hospital East, Kashiwa,
Chiba, Japan
Purpose: To assess the usefulness of mandibular
cross-sectional multiplanar reconstruction (CS-MPR)
using 3D sequences in the preoperative evaluation of
mandibular bone marrow invasion of oral carcinomas.
Methods: The subjects consisted of 91 patients with
primary oral SCCs. Mandibular invasion on standard 2D
sequences MR images or 3D sequences images with
mandibular CS-MPR was evaluated. Results: The area under
the ROC curve of CS-MPR was significantly larger (P =
.0024) and improve the specificity for bone marrow
invasion (P= .0077). Conclusion: The mandibular CS-MPR
has the potential to improve the diagnostic performance
for the evaluation of mandibular invasion by SCCs.
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