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Mammary carcinoma model: correlation of macromolecular contrast-enhanced MR imaging characterizations of tumor microvasculature and histologic capillary density.
Abstract
PURPOSE: To determine the relationship between capillary density, a recognized surrogate of tumor angiogenesis, and magnetic resonance (MR) imaging-derived estimates of plasma volume (PV) and microvascular permeability in two mammary carcinoma models. MATERIALS AND METHODS: Dynamic spin-echo imaging was performed by using albumin-(gadolinium-diethylenetriaminepentaacetic acid)34, a prototype blood-pool contrast medium, in 14 rats with a subcutaneously implanted slow- or fast-growing subtype of R3230 mammary carcinoma. Data were fitted to an established two-compartment kinetic model to estimate PV and permeability. RESULTS: MR imaging-derived tumor PVs and permeabilities increased exponentially with increasing capillary density. MR imaging-derived microvascular characteristics correlated strongly with histologic capillary density, with an r2 of .85. CONCLUSION: Contrast medium-enhanced MR imaging may prove useful in estimating angiogenic activity in carcinomas. MR imaging may be superior to histologic assay because it is noninvasive, can be used to "sample" the entire tumor, and reflects both anatomic and physiologic characteristics.
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An in vivo correlate of exercise-induced neurogenesis in the adult dentate gyrus
Pereira, A. C., Huddleston, D. E., Brickman, A. M., Sosunov, A. A., Hen, R., McKhann, G. M., Sloan, R., Gage, F. H., Brown, T. R., & Small, S. A. (2007) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.0611721104 · Cited by 1,353
Villaraza, A. J. L., Bumb, A., & Brechbiel, M. W. (2010) · Chemical Reviews · doi:10.1021/cr900232t · Cited by 632
Metadata
- Authors
- van Dijke, C. F., Brasch, R. C., Roberts, T. P., Weidner, N., Mathur, A., Shames, D. M., Mann, J. S., Demsar, F., Lang, P., & Schwickert, H. C.
- Venue
- Radiology
- Published
- 1996-03
- Volume
- 198
- Issue
- 3
- Pages
- 813-818
- ISSN
- 0033-8419 (ISSN-L)
- 1527-1315
- OpenAlex
- W2008920831
- Cited by
- 207
- References
- 0
- FWCI
- 13.99
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Mammary carcinoma model: correlation of macromolecular contrast-enhanced MR imaging characterizations of tumor microvasculature and histologic capillary density. https://app.cochat.ai/papers/10.1148/radiology.198.3.8628876
- The paper
- van Dijke, C. F., Brasch, R. C., Roberts, T. P., Weidner, N., Mathur, A., Shames, D. M., Mann, J. S., Demsar, F., Lang, P., & Schwickert, H. C. (1996). Mammary carcinoma model: correlation of macromolecular contrast-enhanced MR imaging characterizations of tumor microvasculature and histologic capillary density. Radiology. https://doi.org/10.1148/radiology.198.3.8628876
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