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Figure 3 | Radiation Oncology

Figure 3

From: Can combined intracavitary/interstitial approach be an alternative to interstitial brachytherapy with the Martinez Universal Perineal Interstitial Template (MUPIT) in computed tomography-guided adaptive brachytherapy for bulky and/or irregularly shaped gynecological tumors?

Figure 3

Representative dose distributions in transverse planes (a-c) and DVH curves (d-f) provided by the IC plan (a, d), the IC/IS plan with 1 needle (b, e), and the IS plan (c, f). The case is a 55-year-old patient with newly diagnosed cervical cancer, FIGO stage IIIB, treated with concurrent chemoradiotherapy using weekly cisplatin. (a) Source loading via only the tandem shows insufficient coverage of HR-CTV (D90, 4.6 Gy; D98, 2.9 Gy; V6Gy, 81%). (b) Addition of source loading via 1 needle (arrow) in expanded tumour in the left laterodorsal direction improved HR-CTV coverage (D90, 6.3 Gy; D98, 5.1 Gy; V6Gy, 93%). (c) Usage of the tandem and all 12 needles for source loading further improved HR-CTV coverage (D90, 7.6 Gy; D98, 6.5 Gy; V6Gy, 100%).

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Radiation Oncology

ISSN: 1748-717X

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