About, Disclaimer & Privacy 
Information about this educational toolkit and how it should be used.
About Prostate MRI Toolkit
Prostate MRI Toolkit is an educational, browser-based collection of prostate MRI workflow tools created by Nick Shaheen, MD, a board-certified radiologist with fellowship training in abdominal imaging and intervention. It is designed to help with PSA density calculation, prostate zonal anatomy review, PI-RADS v2.1 rule review, PRECISE follow-up assessment, post-treatment MRI decision support, and short educational quiz content.
What it is not
- Not a medical device.
- Not a replacement for physician interpretation.
- Not a substitute for official PI-RADS guidance or local protocols.
- Not intended for entry of protected health information.
About the Author
Nick Shaheen, MD is a board-certified radiologist with fellowship training in abdominal imaging and intervention. His clinical interests include prostate MRI interpretation, structured reporting, and medical education for radiology trainees and referring clinicians.
Prostate MRI Toolkit was established in 2015 as an independent educational project. Content on this site is written from the perspective of a practicing radiologist with a focus on prostate MRI teaching, and reflects the author's interpretation of published guidelines, primary literature, and clinical practice patterns.
Disclosures
- The author has no conflicts of interest, commercial affiliations, or financial relationships related to this website.
- No device, pharmaceutical, or industry sponsor has paid for or directed site content. Advertising, if present, is separate from editorial content.
- Prostate MRI Toolkit is self-funded and independently operated.
Editorial approach
Articles and educational tools on this site are written by the site author based on published literature, guideline documents, and clinical experience. Content is not peer-reviewed and does not represent the official position of any institution, professional society, or employer. When published guidance is updated, content on this site may lag behind current recommendations.
External verification links may be added as public professional profile pages become available.
Original Graphics
All original schematics, illustrations, icons, animations, and educational graphics on this website were created by Nick Shaheen, MD, unless otherwise noted.
Medical Disclaimer
Prostate MRI Toolkit is provided for medical education and general workflow support only. It does not provide medical advice, diagnosis, treatment recommendations, or patient-specific management decisions.
This website is not a medical device and should not be used as the sole basis for detecting, excluding, characterizing, scoring, or managing prostate lesions or other pathology.
The calculators, animations, and decision helpers are simplified educational aids. They should not replace the complete MRI examination, clinical context, laboratory data, pathology history, prior imaging, institutional protocols, or the judgment of qualified clinicians.
Final image interpretation, lesion detection, PI-RADS categorization, PRECISE assessment, post-treatment assessment, and clinical management remain the responsibility of the interpreting physician.
When content on this website differs from official guidance, source documents, multidisciplinary consensus, or local institutional protocol, the official guidance and local protocol should take precedence.
No representation or warranty is made regarding completeness, accuracy, fitness for a particular purpose, or freedom from errors or omissions. Use of this website does not create a physician-patient relationship.
Do not enter patient names, medical record numbers, dates of birth, accession numbers, or other protected health information into this website.
Privacy Policy
Last updated: May 9, 2026
Information you enter
The PSA density calculator and helper tools run in your browser. Calculator values and selected tool inputs are not intentionally sent to this site owner. Do not enter protected health information or patient identifiers.
Analytics
This website uses Google Analytics 4 to understand general website traffic and usage patterns, including page views, referring sources, campaign/QR-code links, approximate geographic region, browser/device information, and similar aggregate usage data. Do not enter protected health information or patient identifiers into this website.
Advertising and cookies
This website may display advertisements through Google AdSense or other advertising partners. Google and third-party vendors may use cookies, web beacons, or similar technologies to serve ads, measure ad performance, prevent fraud, and personalize advertising where permitted.
Server logs and technical data
Like most websites, the hosting provider may process routine technical information such as IP address, browser type, device information, pages requested, and timestamps for security, analytics, performance, and reliability purposes.
External links
This website may link to external resources. External websites have their own privacy policies and content practices.