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Tag Archives: research

RSNA Daily Dispatch

The Monday, Nov. 27 schedule of the 2017 RSNA Annual Meeting included a variety of scientific sessions discussing technical and clinical developments in Cone Beam CT systems. From improving image quality to correlating with other modalities, researchers are validating the efficacy of CBCT in diagnosis and treatment of musculoskeletal injuries and pathologies.

@Ingakoerte tweeted a photo of the crowds at the RSNA Annual Meeting.
@Ingakoerte tweeted a photo of the crowds at the RSNA Annual Meeting.

In a poster presentation for “High Resolution Extremity Cone-Beam CT with a CMOS X-Ray Detector: System Design and Applications in Quantitative Assessment of Bone Health” Biomedical Engineer Qian Cao evaluated the ideal Cesium Iodide scintillator thickness to visualize trabecular bone detail for applications such as early detection of osteoarthritis. He compared image quality characteristics of an optimized CMOS detector to an amorphous silicon detector and a micro CT scanner. The optimized CMOS detector had superior trabecular detail compared to the Amorphous Silicon detector and comparable detail to the Micro-CT, with the advantage of a much larger field of view than Micro-CT.

In “Effect of Motion Compensation on the Image Quality of Cone Beam CT Scans in Musculoskeletal Setting” Guarav K. Thawait, MD, research associate at Johns Hopkins shared the results of a study where involuntary patient motion in CBCT scans was corrected using an iterative reconstruction algorithm. The algorithm improved motion artefacts significantly in bone structures.

In “Evaluation of Bone Erosions in Rheumatoid Arthritis Patients using CBCT and MRI,” Dr. Thawait discussed a study in which a radiologist reviewed CBCT, MRI, and Ultrasound datasets for signs of rheumatoid arthritis. The correlation between CBCT and MRI was moderate while the correlation between CBCT and US was a bit higher. Though the correlations were only moderate to good between modalities, test-retest reproducibility for CBCT scans was excellent and the modality shows promise as a useful tool for RA diagnostic evaluation.

CurveBeam Announces First pedCAT Installation at an Accredited College of Podiatric Medicine

CurveBeam is proud to announce the installation of a pedCAT cone beam CT imaging system at Kent State University College of Podiatric Medicine.

Kent State is the first member of the American Association of Colleges of Podiatric Medicine to acquire weight bearing CT imaging technology.

“Kent State University is proud to be the first facility in the Northeast Ohio region to provide this ‘state- of-the-art” imaging modality,” said Dr. Allan Boike, Dean & Professor of Foot & Ankle Surgery at KSUCPM. “The CurveBeam pedCAT will allow the college to improve the foot and ankle health of the community while providing the highest quality education for our students and research opportunities for our faculty and residents.”

The pedCAT is the only cone beam CT imaging system that allows for bilateral, weight bearing CT images of the foot & ankle. Due to its compact size and low radiation exposure, the pedCAT is an an ideal solution for CT imaging at the podiatric point-of-care. Recent articles in orthopedic journals demonstrate weight bearing CT imaging is a valuable research tool that is shedding new light on even our basic understanding of foot & ankle biomechanics and deformities.

“Our initial euphoria in acquiring the pedCAT weight-bearing cone beam CT has only been eclipsed by actually getting to use it first-hand,” said Dr. Lawrence Osher, Director of the Radiology Department. “Simply put, this is an utterly amazing tool in the podiatric diagnostic and research armamentarium.  The ability to do 3D and multi-planar reconstructions on a weight-bearing foot and ankle, coupled with the prospect of marrying structure and function, opens up a seemingly endless array of research opportunities.  Bounded only by our creativity, we at KSUCPM look forward to adding significantly to the pool of knowledge in the medical literature.”

The pedCAT was funded through a research grant from the Ohio College of Podiatric Medicine (OCPM) Foundation, which was established to promote podiatric medical education and research.

“Dean Boike is to be commended for his foresight in procuring this advanced apparatus which further enables the College to maintain and expand its competitive edge in podiatric medical education,” said Dr. David Nicolanti, Executive Director of the OCPM Foundation. “In addition, this weight bearing CT imaging system provides a basis for enhancing collaboration between the College and foot and ankle specialists, from all medical stratums throughout the state of Ohio and the encompassing region.”

The College has a number of weight bearing CT research initiatives planned.

The pedCAT is located at the Cleveland Foot and Ankle Clinic’s midtown office at 7000 Euclid Ave in Cleveland. Weight bearing CT services will be offered to the clinic’s patients.