Correlation of blood flow assessed by CT perfusion imaging and microvascular ultrastructure in non-small cell lung cancer: a preliminary study / 中华肿瘤杂志
Chinese Journal of Oncology
; (12): 193-197, 2013.
Article
in Chinese
| WPRIM (Western Pacific)
| ID: wpr-284210
Responsible library:
WPRO
ABSTRACT
<p><b>OBJECTIVE</b>To investigate the correlation between blood flow assessed by CT perfusion imaging and characteristics of microvascular ultrastructure in non-small cell lung cancer (NSCLC).</p><p><b>METHODS</b>twenty-eight patients with non-small cell lung cancer proven surgically and pathologically underwent perfusion CT examination. The patients were divided into a hyper-perfusion group and a hypo-perfusion group by the median value of blood flow, and then the differences of microvascular ultrastructure in the two groups were analyzed.</p><p><b>RESULTS</b>The median BF value of the 28 patients was 36.40 ml×100 g(-1)×min(-1). Take this median value as the boundary, the group with hypo-perfusion showed a significantly lower BF value than the group with hyper-perfusion [(30.84 ± 4.79) ml×100 g(-1)×min(-1) vs. (49.67 ± 10.89) ml×100 g(-1)×min(-1), t = -5.925, P < 0.001]. The group with lymph node metastasis showed a significantly lower BF value than the group without lymph node metastasis [(30.78 ± 5.24) ml×100 g(-1)×min(-1) vs. (50.73 ± 11.16) ml×100 g(-1)×min(-1), t = 3.490, P = 0.015]. The maturity of microvessels of the hyper-perfusion group was higher than that of the hypo-perfusion group. Under the electron microscope, the microvessels in the hypo-perfusion group showed a more narrow lumen, poorer integrity of basement membrane, a more close relationship between cancer cells and microvascular wall, and cancer cells were more easily seen in the microvascular lumen.</p><p><b>CONCLUSION</b>The blood flow value of CT perfusion imaging may be related with the abnormal microvascular ultrastructure, and may be helpful to the prediction of metastasis risk in NSCLC.</p>
Full text:
Available
Database:
WPRIM (Western Pacific)
Main subject:
Pathology
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Diagnostic Imaging
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Follow-Up Studies
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Carcinoma, Non-Small-Cell Lung
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Tomography, Spiral Computed
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Vascular Endothelial Growth Factor A
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Microvessels
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Perfusion Imaging
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Lung Neoplasms
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Lymphatic Metastasis
Type of study:
Diagnostic study
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Observational study
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Prognostic study
Limits:
Adult
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Aged
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Female
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Humans
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Male
Language:
Chinese
Journal:
Chinese Journal of Oncology
Year:
2013
Document type:
Article