A study by Charlotte Radiology found that single reading of screening mammograms with computer-aided detection (CAD) is more efficient and yields higher sensitivity than double reading. The use of CAD resulted in a lower recall rate compared to double reading, making it an effective alternative for increasing sensitivity.
Using breast shields during pediatric chest MDCT reduces radiation dose and minimally increases image noise. The study found that shielding alone reduced the dose by 26%, while combining shielding with automatic tube current modulation (ATCM) reduced it by 52%.
A recent study by the Hadassah-Hebrew University Medical Center found that only one out of 63 patients with complex fibroadenomas had a malignancy. The researchers concluded that these lesions can be treated similarly to simple fibroadenomas, allowing for non-surgical follow-up.
A recent study found that gadolinium-containing contrast agents can cause allergic-like reactions in premedicated patients, including children and adults. Pre-medication with corticosteroids and antihistamines may not completely eliminate the risk of breakthrough reactions.
A recent study found that acute allergic-like reactions to gadolinium-containing contrast injections are rare, with 74% of cases being mild. The study included over 78,000 administrations and reported no fatal reactions, supporting the safe use of these agents in patients with normal or mildly impaired renal function.
Researchers discovered that cone-beam breast CT provides exceptional tissue contrast and can reduce examination time with comparable radiation dose to conventional 2D mammography. The study found well-resolved images of skin, adipose, and glandular regions, as well as clear detection of microcalcifications within cancers.
A recent study found that 318 of 321 benign-appearing adrenal masses were confirmed to be clinically insignificant. The study showed no malignant adrenal lesions, even among patients with other malignancies elsewhere.
Researchers at Tohoku University found that monitoring total entrance skin radiation dose can accurately determine maximum radiation skin dose during coronary angioplasty. This allows radiologists to avoid skin injury to patients, a major disadvantage of the procedure.
A study by researchers at University Hospitals of Cleveland and Johns Hopkins University found that intraoperative MRI can help detect residual disease and modify surgical plans, leading to additional resections in 73% of cases. The added imaging time was approximately 35 minutes per case.
A recent study found that CT colonography is effective in detecting new and significant abnormalities outside the colon, including cirrhosis and tumors, in elderly patients. The study also showed that a high percentage of patients had at least one malignancy, with extracolonic malignancies being more common than previously thought.
Researchers found that computer-aided detection (CAD) combined with multi-detector computed tomography (MDCT) improves radiologists' ability to detect solid lung nodules. CAD successfully matched 91.3% of nodules detected in both exams, and reduced reading time for radiologists.
Researchers found that injecting a dextrose solution under ultrasound guidance can reduce pain in patients with chronic Achilles tendinosis. After treatment, 20 of 30 patients remained asymptomatic, while nine had only mild symptoms.
A recent study found that diffusion-weighted MRI (DWI) can predict moderate to severe chronic liver disease. The technique measured water diffusion in the liver tissue and showed promise as a non-invasive alternative to liver biopsy.
Researchers found 151 patients had vascular findings not related to renal arteries, including mesenteric artery stenosis and aortic atherosclerosis. Additionally, 220 patients had non-vascular benign lesions, while malignancies were detected in 10 cases.
A recent study found that a simple and cost-effective percutaneous method can effectively treat calcific tendinitis by reducing inflammation and promoting tendon healing. The treatment resulted in improved shoulder mobility and resolution of calcifications in over 90% of patients.
A recent study suggests that CT angiography can accurately diagnose aortic injuries in blunt trauma patients without the need for catheter angiography. In challenging cases, CTA offers a rapid and non-invasive diagnosis, potentially sparing patients from serious complications.
A recent study examined the discrepancy rate of emergency diagnostic imaging exams interpreted by residents after hours and found that well-trained and supervised residents can interpret studies safely. The major discrepancy rate was 2.6%, with only a miniscule negative clinical effect found in 0.3% cases.
A recent study found that a split-bolus CT urography technique can reduce both radiation dose and number of images produced, while maintaining high sensitivity and specificity. This new method has the potential to replace traditional excretory urography protocols for diagnosing urinary tract abnormalities.
A recent study reveals radiologists can diagnose clinically unseen venous thromboembolic disease in cancer patients earlier by closely examining CT scans of the thorax, abdomen, and pelvis. The study identified 23 unsuspected iliofemoral DVTs and four common iliac vein involvements among 736 patients.
A study found that providing informational handouts to parents about CT radiation risks can improve their understanding, increasing awareness of the potential increased risk of cancer related to pediatric CT. Parents became less willing to undergo CT if their doctor believed it was equally effective to observation.
A recent study found that cardiac CTAs post-CABG reveal clinically significant non-cardiac findings in 34 patients, including pulmonary embolism and lung cancer. The study highlights the importance of physician interpreters trained to read entire CT scans beyond coronary vessels.
Researchers found radiofrequency ablation to be 93% effective in eradicating malignant kidney tumors, with minimal discomfort and no serious complications. The study's lead author suggests this treatment is an excellent option for patients who are not good operative candidates or have multiple renal tumors.
A recent study found that cardiac-gated CTA radiation doses can vary and be substantial in children, up to 10 times the annual natural background radiation. The study cautions against using adult technologies and techniques in pediatric patients without further evaluation of newer methods.
A recent study found that magnetic resonance CAD significantly enhances the diagnostic accuracy of liver fibrosis, outperforming experienced radiologists in detection and grading.
A recent study found that hyperintense lesions in older patients may indicate more severe brain damage, associated with conditions like dementia and memory problems. The study's lead author suggests that these lesions could be a sign of widespread disease in the brain.
A recent study shows multiple-electrode radiofrequency ablation is a safe and effective way to treat large liver tumors, with 34 of 38 tumors treated in just one session. The new procedure reduces treatment time by approximately 54% compared to single-electrode systems.
Researchers found that sonographically-guided alcohol injections showed a high success rate and were well-tolerated by patients with Morton's neuroma. The study reported partial or total symptom improvement in 94% of patients, with 84% becoming totally pain-free.
A recent study found that acute allergic-like reactions to newer nonionic contrast agents are rare in children, occurring in only 20 out of 11,306 pediatric IV administrations. The study confirms the safety and better understands the risks of these agents in children.
A study using dynamic sonography found that 46 of 50 male soccer players had muscle tears and/or hematomas in the thigh and calf regions. The imaging modality successfully diagnosed complete muscle tears surrounded by hemotomas and partial tears with pseudo-tumor-like appearances.
Researchers analyzed post-mortem brain slices using 3T and 7T MRI, revealing 7T's ability to detect more MS lesions. This advancement can delay disease conversion and improve monitoring of neurological deficits in multiple sclerosis patients.
A recent study found that radiology residents use approximately 15% of their average annual salary for educational expenses. Senior residents reported an average out-of-pocket expense of $7,515 for review courses and board examinations, with many struggling to pay off student loans from medical school.
Researchers found that ultra-low-dose MDCT improved patient care and management in patients with nonspecific abdominal pain. The study showed that 37% of patients could be discharged the same day based on negative findings on MDCT.
A new study suggests that dual-energy MDCT can enhance polyp detection in an unprepped colon, potentially making CT colonography more comfortable for patients. The researchers found improved accuracy at lower energy settings, paving the way for future studies to test patient safety and efficacy.
CT angiography (CTA) has been found to accurately detect ruptured cerebral aneurysms in patients with acute subarachnoid hemorrhage, with a sensitivity of 99.4%. The study, conducted at the Health Sciences Center in Winnipeg, Canada, involved 171 patients who underwent preoperative 3D CTA.
A new study found that nearly 90% of colon polyps detected at CT colonoscopy were confirmed as true polyps during subsequent optical colonoscopy. The accuracy rate was similar for smaller and larger polyp sizes, suggesting improvements in detection due to colonic preparation and image analysis methods.
A recent study found that MRI and MRS correctly staged 12 out of 16 patients with prostate cancer, enabling surgeons to plan wide resection of the neurovascular bundle. This improved accuracy helps ensure negative surgical margins and effective operations.
Researchers use Functional Anesthetic Discography (FAD) to diagnose lower back pain cause, finding 19 out of 29 discs showed favorable response to anesthetic injection. The study suggests that not all patients with disc disease experience pain relief, indicating potential spinal contributors.
A study published by American College of Radiology found CAD with CR detects 47 of 53 breast cancers, surpassing film screen mammography in dense and small lesion cases.
Researchers developed a new technique to acquire soft-tissue cross-sectional images using a flat panel C-arm fluoroscopic unit. This allows for efficient patient visits and additional clinical information that directly affects interventional therapy in 80% of cases.
A new study reveals that contrast-enhanced 64-MDCT can accurately diagnose acute trauma to the aorta without the need for invasive catheter angiography. This eliminates the need for mobilizing an angiography team, allowing treatment to begin immediately after diagnosis.
A recent study found significantly higher transcription error rates in women compared to men, with error rates ranging from 0.015 to 0.206 in females and 0.025 to 0.139 in males. The results suggest that women may need to spend more time training on commercial speech recognition systems to achieve accurate results.
A study by radiologists at the University of Minnesota found that PET-CT detects muscular lymphoma more effectively than CT alone, revealing muscle involvement that may be overlooked. This breakthrough suggests that incorporating PET-CT into imaging protocols can lead to more accurate diagnoses and treatment plans.
Researchers used MRS to evaluate fetal lung maturity in amniotic fluid samples, finding choline levels above 49 mg/g indicate mature lungs. This non-invasive method could spare pregnant women and their fetuses from risks of amniocentesis.
A study by Changi General Hospital in Singapore found that percutaneous radiofrequency ablation of liver tumors is safer and more effective than open surgery, with reduced post-procedural pain and shorter hospital stays. The technique allows patients to resume daily activities faster and return to work sooner.
A recent study by the American College of Radiology found that CT scans were more effective than plain radiographs in detecting lumbar spine fractures. The study revealed that CT scans correctly identified 91.7% of fractures, while plain films only detected 56.4%, highlighting their superior diagnostic value.
A study by Charite Campus Benjamin Franklin in Berlin, Germany shows CT angiography is effective for detecting peripheral vascular disease. The technique outperforms digital subtraction angiography in diagnostic image quality and patient management decisions.
Radiologists use nighthawk services primarily for convenience and recruiting value, with excessive volume also a motivation. International nighthawk services are used in 40% of cases, but often involve American radiologists reading foreign films.
Researchers analyzed crash test injuries with CT imaging to improve car safety. The study found that CT scans accurately predicted rib cage damage caused by simulated car collisions.
A new study suggests that diagnostic ultrasound can be used for biometric identification by matching paired images of fingerprints based on internal structures. The researchers found a high accuracy rate of 96% among four readers, with radiologists achieving a 100% success rate.
A recent study found that CT and MRI are highly accurate in determining optimal candidates for liver transplantation in patients with cirrhosis. The study demonstrated agreement between radiology and pathology staging in 96.5-97.5% of patients, supporting the use of imaging tools in candidate selection.