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Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
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The mammalian target of rapamycin or mTOR protein was discovered in 1994 due to its direct interaction with rapamycin. The protein gets its name from a yeast homolog called TOR. The mTOR protein complex in mammalian cells plays a major role in balancing anabolic processes such as the synthesis of proteins, lipids, and nucleotides and catabolic processes, such as autophagy in response to environmental cues, such as availability of nutrients and growth factors.
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Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
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Cancer Prevention02:59

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Related Experiment Video

Updated: May 2, 2026

A Bioluminescent and Fluorescent Orthotopic Syngeneic Murine Model of Androgen-dependent and Castration-resistant Prostate Cancer
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[Prostate cancer].

T Franiel1, N Eckardt, M Waginger

  • 1Institut für Diagnostische und Interventionelle Radiologie II, Universitätsklinikum Jena, Erlanger Allee 101, 07747, Jena, Deutschland, tobias.franiel@med.uni-jena.de.

Der Radiologe
|February 28, 2014
PubMed
Summary

Prostate magnetic resonance imaging (MRI) is crucial for diagnosing prostate cancer, improving detection, and evaluating tumor extent. Advanced MRI techniques enhance diagnostic accuracy, guiding targeted biopsies and staging for better patient management.

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Area of Science:

  • Radiology and Medical Imaging
  • Oncology
  • Urology

Context:

  • Prostate cancer diagnosis increasingly relies on magnetic resonance imaging (MRI).
  • T2-weighted MRI offers superior morphological resolution for detecting and localizing tumors.
  • Functional MRI techniques (DWI, DCE-MRI, 1H-MRS) augment diagnostic specificity and sensitivity.

Purpose:

  • To highlight the growing importance and applications of prostate MRI in clinical diagnostics.
  • To detail the role of various MRI sequences in cancer detection, staging, and evaluation.
  • To align MRI utilization with interdisciplinary S3 guidelines for prostate cancer management.

Summary:

  • Prostate MRI is recommended for patients with negative biopsies to guide targeted biopsies of suspicious areas.
  • The PI-RADS classification system standardizes reporting of MRI findings for suspected cancerous lesions.
  • MRI is essential for accurate localization and staging of prostate cancer, particularly for advanced stages (cT3/4) or high Gleason scores (≥8).

Impact:

  • Improved accuracy in prostate cancer detection and staging.
  • Enhanced guidance for targeted biopsies, potentially reducing unnecessary procedures.
  • Facilitation of better treatment planning and patient management through precise tumor evaluation.