Diffusion-Weighted MRI for Locally Recurrent Prostate Cancer After External Beam Radiotherapy

Morgan, Veronica A.; Riches, Sophie F.; Giles, Sharon; Dearnaley, David P.; deSouza, Nandita M.

doi:10.2214/ajr.11.7162

Cited by 61 publications

(60 citation statements)

References 26 publications

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“…e ADC map, where the ROI was placed Nowadays there is growing interest in DW-MRI, because of its non-invasiveness and because it can be performed without contrast agent administration. It is a powerful tool in detecting prostate cancer [25][26][27][28] and localising prostate cancer recurrence in patients with biochemical failure after definitive radiotherapy [12].…”

Section: Discussionmentioning

confidence: 99%

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Prostate cancer recurrence after radical prostatectomy: the role of 3-T diffusion imaging in multi-parametric magnetic resonance imaging

et al. 2013

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Section: Discussionmentioning

confidence: 99%

“…Recent studies demonstrate the usefulness of DWI technique in detecting local tumour recurrence after EBRT [12] and after RP [13], even though these early experiences were based on a small number of cases.…”

Section: Introductionmentioning

confidence: 99%

Prostate cancer recurrence after radical prostatectomy: the role of 3-T diffusion imaging in multi-parametric magnetic resonance imaging

et al. 2013

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“…The report that how FDG-PET and MRI reflected for effect of treatment in the diagnosis instrument of these days came to be accomplished [4][5][6]. When the increase of the ADC level of the site where prostate cancer is present in significantly correlated with a decrease of the PSA according to the report of Yamaguchi et al in DWI the radiotherapy half a year later, we report it [1].…”

Section: Discussionmentioning

confidence: 73%

Influence of fiducial marker for MR image of prostate radiotherapy

Tanaka¹,

Komeda²,

Hirose³

et al. 2018

Intergr Clin Med

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Fiducial marker for registration to CT and MRI in intensity modulated radiation therapy for prostate cancer came to be increasing. Whereas diffusion weighted image came to be used similar to the PSA of the blood test for radiotherapy effect measurement for prostate cancer. Generally, the diffusion weighted image was often affected by a magnetic component.We evaluated how much the marker had an influence on the diffusion weighted image. As a result, it was degree in range 2-5 mm that detained a marker that marker affected the image. We concluded that a fiducial marker does not affect the quality of diffusion weighted image on daily practice.

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“…7 Accurate localization of focal recurrence allows for possible salvage radiation therapy and reduced target volume. 8 Post-treatment changes of the irradiated prostate, including diffuse low T 2 signal and indistinctness of the peripheral, central and transition zones, make detection difficult especially on T2WI.…”

Section: Following Radiation Therapymentioning

confidence: 99%

Diagnosis of recurrent prostate cancer and its mimics at multiparametric prostate MRI

Notley

Fulcher

et al. 2015

BJR

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Biochemical recurrence after treatment for prostate cancer (PCa) is a significant issue. Early diagnosis of local recurrence is important for making prompt treatment decisions and is strongly associated with patient prognosis. Without salvage therapy, the average time from development of local recurrence to distant metastasis is approximately 3 years. Biochemical recurrence does not differentiate local recurrence from systemic disease; there is no reliable way to clinically diagnose local recurrence. Recent advances in multiparametric MRI (mp-MRI) techniques have markedly improved detection of local recurrence following therapy. However, a wide variety of entities can mimic recurrent PCa at mp-MRI. Therefore, the purpose of this pictorial review is to discuss the MRI findings of locally recurrent PCa and its mimics, emphasizing the key MRI features that help to differentiate local recurrence from its mimics.

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Diffusion-Weighted MRI for Locally Recurrent Prostate Cancer After External Beam Radiotherapy

Abstract: An ADC derived from DWI is a useful adjunct to T2-weighted MRI for detecting local tumor recurrence larger than 0.4 cm(2) within the prostate.

Cited by 61 publications

References 26 publications

Prostate cancer recurrence after radical prostatectomy: the role of 3-T diffusion imaging in multi-parametric magnetic resonance imaging

Prostate cancer recurrence after radical prostatectomy: the role of 3-T diffusion imaging in multi-parametric magnetic resonance imaging

Influence of fiducial marker for MR image of prostate radiotherapy

Diagnosis of recurrent prostate cancer and its mimics at multiparametric prostate MRI

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