Tumor size evaluated by pelvic examination compared with 3-D MR quantitative analysis in the prediction of outcome for cervical cancer

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  • Alpha shape theory for 3D visualization and volumetric measurement of brain tumor progression using magnetic resonance images

    2015, Magnetic Resonance Imaging
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    Fig. 4 displays a typical MR image sequence of (512 × 512 × 9) having 5.5 mm spacing between slices. Recent investigations reveal that 3D quantitative techniques including MR imaging are highly accurate in determining the tangible size of the tumor [25,26] and may render superior clinical palpation to predict local tumor control [27–29]. Volumetric technique called Manual Region of Interest (ROI) is commonly used for 3D quantitative assessment where tumor contours are accurately detected.

  • No correlation between pretreatment serum CEA levels and tumor volume in locally advanced rectal cancer patients

    2012, Clinica Chimica Acta
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    Advances in imaging techniques have enabled the assessment of tumor volume more readily and precisely. In cervical cancer patients, a three-dimensional volume by magnetic resonance imaging (MRI) is a highly reliable indicator of actual tumor volume and provides the closest correlation to actual tumor volume that is currently achievable in the clinical setting [6,7]. In locally advanced rectal cancer patients, pelvic MRI is a more effective modality for measuring tumor size and volume than other methods, such as pelvic CT or endoscopy, because of its distinctive tissue contrast and multiplanar imaging capability [8,9].

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Presented at the 38th Annual Meeting of the American Society of Therapeutic Radiology and Oncology, Los Angeles, California, October 29, 1996.

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