Quantified application of MRI for diagnosis of head and neck tumors.
We evaluated T/M ratios and T2 values of 6 malignant lymphomas and 8 squamous cell carcinomas in the head and neck in order to differentiate these two entities. T/M ratios were calculated by dividing intensity of tumor by that of muscle in same slice images. T2 values were calculated from T2-weighted images and proton-weighted images. Statistical difference of T/M ratios was found between malignant lymphomas and squamous cell carcinomas, but no difference of T2 values was seen between two groups. T/M ratio was considered to be a useful and quantified index for evaluation of head and neck tumor.
Hori
A
A
Department of Radiology, School of Medicine, University of Tokushima, Japan.
Harada
M
M
Ueno
S
S
Kasem
I
I
Kashihara
K
K
Yoshida
S
S
Nishitani
H
H
D002294:Carcinoma, Squamous Cell / Q000175:diagnosis*; D006258:Head and Neck Neoplasms / Q000175:diagnosis*; D006801:Humans; D008223:Lymphoma / Q000175:diagnosis*; D008279:Magnetic Resonance Imaging / Q000379:methods*