Patient Immobilization

Jun 12, 2017 by in GENERAL RADIOLOGY Comments Off on Patient Immobilization

(1) University of Miami Sylvester Cancer Center, Miami, Florida, USA   4.1 Patient Positioning and Treatment Devices (Questions) 4.2 Image-Guided Radiotherapy (Questions) 4.3 Margins Accounting for Positioning (Questions) 4.4 Patient…

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IGRT for IMRT

Jun 12, 2017 by in GENERAL RADIOLOGY Comments Off on IGRT for IMRT

Fig. 5.1 Image registration measuring geometric variation between treatment planning and actual positioning prior to the start of treatment (blended images of planning CT and kV-CBCT images are shown) Ideally,…

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Gynecologic Malignancies

Jun 12, 2017 by in GENERAL RADIOLOGY Comments Off on Gynecologic Malignancies

Fig. 21.1 Axial computed tomography images showing isodose distributions for conventional (top left) and intensity-modulated radiation therapy (top right) plans for a patient with a gynecologic malignancy. The graph (bottom)…

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Breast Cancer

Jun 12, 2017 by in GENERAL RADIOLOGY Comments Off on Breast Cancer

Fig. 14.1 A forward-planned intensity-modulated radiation therapy (IMRT) plan (left) vs. a conventional wedge plan (right) Fig. 14.2 A 107 % isodose cloud (blue) visible on a digitally reconstructed radiograph…

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Early Prostate Cancer (T1–2N0M0)

Jun 12, 2017 by in GENERAL RADIOLOGY Comments Off on Early Prostate Cancer (T1–2N0M0)

TNM staging system for prostate cancer Primary tumor(T) TX Primary tumor cannot be assessed T0 No evidence of primary tumor T1 Clinically inapparent tumor neither palpable nor visible by imaging…

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Radiobiology for IMRT

Jun 12, 2017 by in GENERAL RADIOLOGY Comments Off on Radiobiology for IMRT

Fig. 3.1 Relative surviving fractions of EMT6 and SCCVII cells after 8 Gy given without a break or in 5 fractions at various intervals. Cell survival after continuous 8-Gy irradiation…

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