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Updated: Aug 13, 2026

Magnetic Resonance Imaging Quantification of Pulmonary Perfusion using Calibrated Arterial Spin Labeling
Published on: May 30, 2011
[The value of STIR pulse sequence MR imaging in patients with pulmonary carcinoma]
1Department of Radiology, Tongji Hospital, Tongji Medical University, Wuhan 430030, China.
Objective:
To evaluate the value of short TI inversion-recovery (STIR) MR imaging technique in diagnosing pulmonary carcinoma.
Methods:
One hundred and eight patients with pathologically confirmed pulmonary carcinoma were examined by STIR pulse sequence and the results were compared with these by SE pulse sequence.
Results:
STIR MR imaging was superior to conventional SE pulse sequences in significantly increasing the detection rate of lesions, improving images along the edge of the lesion, tumor invasion to adjacent structures, and demonstrating lymph node enlargement.
Conclusion:
STIR, with its sensitivity, is particularly useful to reveal metastatic lymph nodes and invasion to the pleura and chest wall.
Insights
Short TI inversion-recovery (STIR) MR imaging significantly improves pulmonary carcinoma diagnosis by enhancing lesion detection and identifying tumor spread. This technique is valuable for detecting metastatic lymph nodes and invasion to surrounding structures.
Area of Science:
- Radiology
- Oncology
- Medical Imaging
Background:
- Pulmonary carcinoma diagnosis relies on accurate imaging.
- Conventional SE pulse sequences have limitations in detecting subtle lesions and invasion.
Purpose of the Study:
- To assess the diagnostic value of short TI inversion-recovery (STIR) MR imaging for pulmonary carcinoma.
- To compare STIR's efficacy against conventional SE pulse sequences.
Main Methods:
- Studied 108 patients with pathologically confirmed pulmonary carcinoma.
- Utilized STIR pulse sequences and compared results with SE pulse sequences.
Main Results:
- STIR MR imaging demonstrated superior lesion detection rates compared to SE.
- STIR improved visualization of lesion margins, adjacent tumor invasion, and lymph node enlargement.
Conclusions:
- STIR MR imaging is highly sensitive for diagnosing pulmonary carcinoma.
- STIR is particularly effective in revealing metastatic lymph nodes and invasion into the pleura and chest wall.
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