Clinical significance of diffusion-weighted MRI with STIR-EPI in differential diagnosis of cervical lymph nodes / 中华肿瘤杂志
Chinese Journal of Oncology
;
(12): 70-73, 2007.
Article
in Chinese
| WPRIM
| ID: wpr-255720
ABSTRACT
<p><b>OBJECTIVE</b>To evaluate the feasibility and efficacy of a new MRI imaging method--diffusion weighted imaging (DWI) with short TI version recovery-echo planar imaging (STIR-EPI) sequence in differentiating benign cervical lymph nodes from malignant ones. METHODS Twenty nasopharyngeal carcinoma patients and fourteen volunteers received both conventional MRI and DWI with STIR-EPI. Ability of detecting lymph nodes between conventional MRI and STIR-EPI-DWI was compared, and the difference of apparent diffusion coefficient (ADC) value between metastatic lymph node and normal lymph node was analyzed.</p><p><b>RESULTS</b>DWI was more sensitive in detecting lymph node than conventional MRI. ADC value of metastatic lymph node (0. 766 +/- 0. 119) x 10 (-3) mm(2)/s was significantly lower than that of normal lymph node (0. 975 +/- 0. 179) x 10 - mm2/s (P < 0. 01).</p><p><b>CONCLUSION</b>As a new MRI imaging technique in detecting cervical lymph nodes, diffusion weighted imaging ( DWI) with short TI version recovery-echo planar imaging ( STIR-EPI) sequence is more reliable and sensitive than conventional MRI imaging, providing an alternative way to differentiate benign lymph nodes from malignant ones.</p>
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Pathology
/
Nasopharyngeal Neoplasms
/
Reproducibility of Results
/
Sensitivity and Specificity
/
Echo-Planar Imaging
/
Diffusion Magnetic Resonance Imaging
/
Diagnosis
/
Diagnosis, Differential
/
Lymph Nodes
/
Lymphatic Metastasis
Type of study:
Diagnostic study
Limits:
Adult
/
Aged
/
Female
/
Humans
/
Male
Language:
Chinese
Journal:
Chinese Journal of Oncology
Year:
2007
Type:
Article
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