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Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

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Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
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Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

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Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
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Magnetic Resonance Imaging01:24

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Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
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Positron Emission Tomography01:29

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Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
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Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

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Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
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[High risk localized and locally advanced prostate cancer: Long-term oncological outcomes after prostatectomy].

Progres en urologie : journal de l'Association francaise d'urologie et de la Societe francaise d'urologie·2022
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Corrigendum to "French ccAFU guidelines-update 2020-2022: Prostate cancer" [Prog. Urol 30 (12 S) (2020), pp S136-S251].

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Use of MRI-ultrasound Fusion to Achieve Targeted Prostate Biopsy
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[Prostate cancer imaging: MRI and nuclear imaging].

R Renard Penna1, I Brenot-Rossi2, L Salomon3

  • 1Département d'imagerie, université Pierre-et-Marie-Curie, hôpital Pitié Salpétrière, 47, boulevard de l'Hôpital, 75013 Paris, France.

Progres En Urologie : Journal De L'Association Francaise D'Urologie Et De La Societe Francaise D'Urologie
|November 2, 2015
PubMed
Summary

Multiparametric MRI and PET imaging significantly improve prostate cancer detection, localization, and staging. These advanced techniques enhance diagnostic accuracy, guiding better clinical management and therapy selection for improved patient outcomes.

Keywords:
Cancer de la prostateIRMMRIPET IRMPET MRIProstate cancer

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Area of Science:

  • Radiology
  • Oncology
  • Medical Imaging

Background:

  • Multiparametric magnetic resonance imaging (mp-MRI) and Positron Emission Tomography (PET) are increasingly utilized in prostate cancer diagnosis and management.
  • Accurate staging and detection are crucial for effective treatment planning and patient outcomes.

Purpose of the Study:

  • To review the current role and advancements of mp-MRI and PET in prostate cancer.
  • To evaluate the diagnostic accuracy and clinical impact of these imaging modalities.

Main Methods:

  • A systematic literature review was conducted using the Medline database (PubMed).
  • Keywords included MRI, PET MRI, and prostate cancer, exploring various combinations.

Main Results:

  • Combined T2-weighted and advanced functional MRI techniques (diffusion-weighted, dynamic contrast-enhanced) enhance prostate cancer detection accuracy.
  • mp-MRI offers superior accuracy in detection, localization, and staging, informing clinical management and therapy selection.
  • PET imaging, particularly with 18F-choline, improves staging (node status, metastases) and can alter management, especially in cases of relapse. MR imaging-guided targeted biopsy is an emerging alternative to standard biopsy methods.

Conclusions:

  • Modern imaging techniques like mp-MRI and PET show promising results for prostate cancer assessment.
  • Future advancements include improved technology fusion (PET-MRI) and novel, more sensitive tracers.
  • Enhanced bone scan protocols with integrated tomography also significantly improve diagnostic performance.