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New! - Radiation Awareness Survey

Radiation awareness survey for healthcare professionals
Radiation awareness survey for healthcare professionals



Free online Dicom converter

Free online Dicom converter - Dicom to image, Dicom to JPG
Instant Dicom to image conversion with one click - it's THAT easy!




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Free Radiology boards preparation and Mock exams on Radiolopolis!

Just create a residency group with 4 or more residents and upload a group logo - it's THAT easy!



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Featured program: The Radiology Museum

Radiolopolis Tip!
The "Dare To Share!" application allows sharing cases between researchers and colleagues. Users may find interesting or needed cases/images for different kind of projects (studies, books, publications, presentations etc.) while assuring the owner's credentials/copyright of the case. Find it in the top menu under "Research" -> "Dare to share! Case exchange".

Welcome to Radiolopolis

The Radiology community for education, research and practice!

Radiolopolis - the international Radiology network and community - professional help and information for Radiology residents, radiologists and Radiology technologists

Radiolopolis is a Radiology community, combining multiple educational and clinical programs, where residents, radiologists and Radiology technologists from all over the world connect to peers, find information and share their knowledge with their colleagues.

Radiolopolis - the international Radiology community


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The All-Around-Radiology Community

The purpose of this Radiology community is to create a possibility, where most of the needs of radiologists, residents, medicals students, technologists and industry can be melted within one central Radiology network. It is based on a "taking and giving" principle, where you share your knowledge and others do the same.


Some features:

The best: IT'S FREE!

The founders of Radiolopolis developed in the past years several educational and clinical / practical programs (see image above), which where running separately. We recognized, that the full power of these programs can be best utilized when combined. That's how the idea of "Radiolopolis" was born. We will continuosly add and incorporate more programs into Radiolopolis, so that they can be seamlessly used by our "citizens" directly from this website.

What are you waiting for? Join our community now! -> Free registration

Find tutorials and explanations about all features on Radiolopolis in our -> FAQ section

Check out what's new on Radiolopolis in our -> Updates Section






Unique! - Interactive Radiology teaching files

Diagnosis: Subarachnoid hemorrhage, subdural bleed, brain edema, cerebral vasospasm
Noncontrast head CT :: Axial images of a CTA of the brain :
MIP images of a CTA of the brain :: Volume rendered images of a CTA of the brain :

More interactive Radiology teaching files

Interactive mode - quick guide
1. Select: Select the desired study from the provided links above.
2. Scroll: Use your scrollmouse to scroll up and down through the stack of images.
3. Window and Level: Click on the "W/L" icon in the right lower corner for the "Window and Level" mode. Then click the left mouse button over the image and move over the image to "window and level". If you click on the "Reset" button, the window and level goes back to the original position.
4. Magnification: To zoom in and out click on the magnifying glass icons.
5. Panning: In case an image is zoomed and you want to center an area of interest, click on the hand icon and move the image to the desired position.
Adobe Flash Player is needed to use the interactive mode!










What's your diagnosis, please?






Featured Radiology Application


Dare To Share! Radiology case and image exchange

A new program was launched on Radiolopolis: "Dare To Share!". Dare To Share! is a project, which allows sharing cases between researchers and colleagues. Users may find interesting or needed cases/images for different kind of projects (studies, books, publications, presentations etc.) while assuring the owner's credentials/copyright of the case. Direct contact between the searcher and the owner of the case provides also a good opportunity to get to know new, potential partners for future projects. More infos about the Dare To Share! program can be found here.




Radiology Job Search



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job title, keywords or company city, state or zip





Latest Radiology News



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  • Editorial board
    (Source: Medical Image Analysis)

    MedWorm Message: Get the very latest Swine Flu news via the MedWorm Swine Flu RSS news feed - updated hourly from thousands of authoritative health and news sources.

  • Flexner Report on Medical Education
    A century ago this year, a Kentucky high school teacher wrote a report that had a dynamic effect on the shape and quality of American medical schools. His name was Abraham Flexner. By the time he undertook a study of medical schools in the United States and Canada, he had given up teaching and was a research associate at the Carnegie Foundation for the Advancement of Teaching. His brother, Simon Flexner, was the scientific director of the Rockefeller Institute, a philanthropic structure funded by the oil tycoon John D. Rockefeller. (Source: Academic Radiology)
  • Diagnostic and Surgical Imaging Anatomy: Ultrasound
    by A. T. Ahuja et al, as the title suggests, is the ultrasound component in the Amirsys collection of textbooks for viewing, understanding, and, in this case, performing anatomical imaging. As with the entire series, the Ultrasound installment continues the excellence in image quality with the expanse of images for which they are known. In addition to the outstanding pictorial drawings, another hallmark of the Amirsys collection, there are also appropriate planar selections from computed tomography or magnetic resonance images providing further correlation to the sonographic images. The authors also take into account the unique imaging prospective ultrasound allows as an operator dependent modality; therefore, each image contains an adjacent schematic display of the orientation and placem...
  • Brain Imaging
    is an installment of the Dx-Direct: Direct Diagnosis in Radiology series published by Thieme. This book limits its scope to imaging of the brain. Spine and head/neck imaging are covered in other texts, along with the other major radiologic subspecialties. (Source: Academic Radiology)
  • Rich Corporate Types
    For several decades, my mailbox has been cluttered each year with annual reports and proxy statements from companies in which I own shares. The annual report, with its glowing color photos, tells me just how wonderful the company did in the past year. The introductory essay from the chief executive relates how wonderful things will be next year. But the financial summary may be contradictory to management's self-praise. More of that may be confirmed if I wade deeply into the fine print in the back part of the report. The other part of the package, which many of us share, is a folder and statement soliciting proxy votes for positions taken by the corporate board. Any resemblance between the board's action and the optimistic annual report may be hard to find. (Source: Academic Radiology)
  • Thresholds to Lung Density Measures
    This article highlights an important topic for emphysema measurement. However, in their paper, the authors state, “Based on pathology comparisons…and literature-based consensus…−910 HU [Hounsfield units] was specified a priori as the threshold for primary analyses.” A threshold of −910 HU was established by Müller et al , who used one single-slice computed tomographic scan with a slice thickness of 10 mm and intravenous contrast. Slice thickness and the use of intravenous contrast influence lung density and the measurement of emphysema . Recently, Madani et al reported a study using multidetector computed tomography without iodinated contrast. The strongest correlation of multidetector computed tomography with macroscopy was observed at a threshold of −970 HU (r = 0.543, P <...
  • Drs Hoffman and Barr Replies:
    We would like to thank Drs. Hochhegger, Irion and Marchiori for their kind comments and their thoughtful questions. The issue regarding appropriate density-mask thresholds for the characterization of emphysema via quantitative computed tomography (CT)-based assessment of the lung is an important one. Quantitative CT has been used with increasing frequency to assess presence, extent, and location of emphysema-like lung for the purposes of pharmaceutical efficacy testing, safety testing, population selection for device placement, and for the identification of homogeneous subphenotypes within the chronic obstructive pulmonary disease (COPD) population to better target new therapeutic development efforts. Although quantitative CT has contributed greatly to these efforts, the measures are, in ...

    MedWorm Message: Get the very latest Swine Flu news via the MedWorm Swine Flu RSS news feed - updated hourly from thousands of authoritative health and news sources.

  • Comparison of Conventional Abdominal CT with MR-Enterography in Patients with Active Crohn's Disease and Acute Abdominal Pain
    Conclusions: In patients with known advanced CD with acute abdominal pain conventional abdominal MD-CT, which is frequently performed as an emergency imaging procedure, is sufficient for bowel wall assessment. Based on our data, additional dedicated small bowel imaging such as MRE seems not to be necessary. (Source: Academic Radiology)
  • Volumetric Analysis of Pulmonary CTA for the Assessment of Right Ventricular Dysfunction in Patients with Acute Pulmonary Embolism
    Conclusion: Ventricle volumetry of non–ECG-gated CTA allows the assessment of right ventricular dysfunction in patients with acute PE. Compared to unidimensional measurements, a volumetric analysis seems to be slightly superior to identify high-risk patients with adverse clinical outcome. However, the method is more time consuming and requires dedicated software tools compared to unidimensional parameters, which is disadvantageous in an emergency setting. (Source: Academic Radiology)
  • Computer-Aided Diagnosis of Lung Nodules on CT Scans: ROC Study of Its Effect on Radiologists' Performance
    Conclusion: CAD has the potential to increase radiologists' accuracy in assessing the likelihood of malignancy of lung nodules on CT imaging. (Source: Academic Radiology)

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Case of the Week

An asymptomatic 22 Y/F , with incidental well-demarcated liver lesion in abdominal US
MRI +Gd
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Radiology Video


Introductory NMR and MRI: Video 04: Acquiring a Free Induction Decay (FID)
Paul Callaghan gives an introduction to NMR and MRI. This is the 4th video of the 10 episode series in which the acquisition of an FID is explained. More...

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The first peer reviewed and interactive Radiology journal.

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Latest Comments

How to earn Karma on...
Nice site. Thanks.
MRI brain in mid sag...
WOW! That's impressive! How did you do this?
Inner ear & IAM
Wow! Excellent video! Thank you so much for sharin...
Inner ear & IAM
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male pelvic CT - dep...
Hi Tony and thanks for reviewing this video and th...

Newsflash

New Radiology case gallery improvement: edit/de-identify online

We just added another update for the case gallery: edit/de-identify

Thanks to Medical Illustrator (http://www.medicalillustrator.net/) - which has been presented at the ICR 2009 and implemented into Radiolopolis - it is now possible for Radiolopolis members to edit their images directly from this website.

Read more...