N. Shivapriya

MRI
MR shows strength in imaging long bone fractures
MRI is useful in differentiating pathologic fractures from stress fractures in long bones when the clinical presentation of the fracture is misleading and radiography findings are also inconclusive. MRI is most sensitive to the presence of underlying bone marrow lesions and should be performed after radiography, according to researchers from the John Hopkins Medical Institutions in Baltimore.
October 20, 2005
CT
Incidental focal findings on FDG PET/CT need follow-up endoscopy
Incidental focal colonic FDG uptake on PET/CT justifies performing a colonoscopy to detect malignant and premalignant lesions, French researchers have concluded. In a study of 20 patients with 21 areas of focal colonic uptake on routine PET/CT scans, the researchers found clinically significant lesions in 75% of the patients and 67% of the FDG findings.
September 5, 2005
2005 09 06 11 22 20 706
Ultrasound
Fetal mortality rate stays higher when early heart rates are lower
The mortality rate in early first-trimester pregnancies with slow fetal heartbeat is relatively high, even in cases in which follow-up ultrasound done within eight weeks shows normal heart rate, according to a retrospective study on the outcome of first-trimester pregnancies.
August 10, 2005
Ultrasound
Ultrasound equivalent to x-ray for nasal fractures
Ultrasonography can be an alternative to radiography in diagnosing nasal fractures, according to researchers from Germany. The study team found no statistically significant difference between the two modalities in assessing the nasal pyramid for fractures.
July 26, 2005
CT
MR, CT best to evaluate early tibial stress injury
MRI is the best technique to assess early tibial stress injury, but CT is the method of choice for detecting osteopenia, an early sign of fatigue damage of the cortical bone, according to a recent study by Italian researchers.
July 19, 2005
CT
Gadolinium effective in CTA of pulmonary circulation
Gadolinium-based contrast agents, usually reserved for MR imaging, can provide diagnostic CT angiograms of pulmonary circulation with 16-detector-row CT, and can be used as an alternative to iodinated contrast in patients with contraindications for iodinated agents, according to researchers from France.
July 11, 2005
CT
Small hepatic lesions mostly benign in female breast cancer patients
In female breast cancer patients, interval follow-up imaging rather than imaging workup or biopsy should be performed for hepatic lesions that are "too small to characterize" (TSTC) on CT. More so if it is stage 0 breast cancer and there are no clinical findings supporting suspicion of liver metastasis, according to recommendations by researchers from the Memorial Sloan-Kettering Cancer Center in New York City.
July 10, 2005
2005 07 08 14 10 39 706
MRI
Fast spin-echo MRI unsuitable for meniscal tears
Fast spin-echo MRI turned in a lower sensitivity than conventional spin-echo for evaluating meniscal tears, according to a study out of Duke University in Durham, NC. As a result, the researchers recommended that musculoskeletal radiologists "abandon" fast-spin echo MRI in the meniscus.
July 5, 2005
2005 07 05 14 47 33 706
Nuclear Medicine
PET/CT improves diagnostic accuracy of unexpected malignancies
The use of PET/CT can decrease uncertainty and improve diagnostic accuracy in 18-F FDG-PET studies to detect unexpected malignancies, according to two recent studies in the Journal of Nuclear Medicine.
June 29, 2005
Image-Guided Surgery
Complex cardiothoracic surgery benefits from 3D imaging
Three-dimensional CT images are more than just pretty pictures when it comes to cardiothoracic surgery. Viewing 3D real-time images along with 2D ones can alter surgical plans for complex cases, and even increase a surgeon's confidence in the plan, according to a new study by researchers from the University of North Carolina (UNC) at Chapel Hill and the University of Alabama at Birmingham.
June 12, 2005
2005 06 10 15 03 00 706
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November 2024 Kuwtr Ep9
Podcasts
Podcast: What's next for chest radiographs?
In this episode of Keeping up with the Radiologists, co-hosts Saurabh (Harry) Jha, MD, and Mitchell Schnall, MD, assess the future of the chest radiograph.
Thyroid Cancer
Interventional
Thermal ablation effective long term in patients with thyroid cancer
Baby Bottle
Ultrasound
Could cranial ultrasound sub for brain MRI in imaging infants?
Lateral conventional attenuation (a, b, e, f) and co-registered dark-field (c, d, g, h) images of two spine specimens. Vertical (a, c, e, g) and horizontal (b, d, f, h) scans of the spine specimen of a 77-year-old female with osteoporosis (bone mineral density = 65.75 mg/dL) (a–d) and a non-osteoporotic spine specimen (e–h) of a 61-year-old female (bone mineral density = 169.38 mg/dL).
Digital X-Ray
Dark-field x-ray detects bone changes related to osteoporosis
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Podcast: What's next for chest radiographs?
By Liz Carey
In this episode of Keeping up with the Radiologists, co-hosts Saurabh (Harry) Jha, MD, and Mitchell Schnall, MD, assess the future of the chest radiograph.
November 7, 2024
November 2024 Kuwtr Ep9
Thermal ablation effective long term in patients with thyroid cancer
By Will Morton
Outcomes over 10 years suggest that image-guided thermal ablation is a safe and effective option for patients with papillary thyroid carcinoma.
November 7, 2024
Thyroid Cancer
Could cranial ultrasound sub for brain MRI in imaging infants?
By Amerigo Allegretto
Cranial ultrasound could have utility for imaging infants with hypoxic-ischemic encephalopathy.
November 6, 2024
Baby Bottle
Dark-field x-ray detects bone changes related to osteoporosis
By Will Morton
Dark-field x-ray imaging can provide insights into bone microstructure and potentially could have a role in assessing osteoporosis.
November 5, 2024
Lateral conventional attenuation (a, b, e, f) and co-registered dark-field (c, d, g, h) images of two spine specimens. Vertical (a, c, e, g) and horizontal (b, d, f, h) scans of the spine specimen of a 77-year-old female with osteoporosis (bone mineral density = 65.75 mg/dL) (a–d) and a non-osteoporotic spine specimen (e–h) of a 61-year-old female (bone mineral density = 169.38 mg/dL).
Radiology responds to devastating floods in Spain
By Edna Astbury-Ward, PhD
Members of Valencia's radiological community are reeling from the worst flooding experienced by the region for generations.
November 6, 2024
Cars Picanya
Tributes pour in for CT pioneer Willi Kalender
By Philip Ward
The medical imaging community has paid tribute to Willi Kalender, PhD, the renowned medical physicist.
November 6, 2024
2024 11 05 Willi Kalender Thumbnail
Ultrasound nonmass breast lesion features may signal malignancy
By Amerigo Allegretto
Some nonmass breast lesion characteristics on ultrasound exams can be considered suspicious for malignancy at screening ultrasound.
November 5, 2024
Images depict a 43-year-old woman with a malignant non-mass lesion that was diagnosed as microinvasive ductal carcinoma. (A) Transverse and (B) longitudinal ultrasound images show a hypoechoic non-mass lesion (solid arrows) with segmental distribution in the left breast. The lesion has associated calcifications (dashed arrows in A). (C) Longitudinal color Doppler ultrasound image shows high vascularity. (D) Magnified image in the mediolateral oblique view from screening mammography shows grouped calcifications (arrows), which are considered a mammographic correlate of the ultrasound-detected non-mass lesion (A radiopaque marker attached to the skin is visible in the image because the mammographic exam was performed after screening breast ultrasound). Ultrasound-guided core needle biopsy and pathologic examination revealed ductal carcinoma in situ, but the lesion was upgraded to microinvasive ductal carcinoma at subsequent surgery (2.5-cm ductal carcinoma in situ, histologic grade II, estrogen receptor-positive, progesterone receptor-positive, human epidermal growth factor receptor type 2-negative).
Ventricular remodeling on cardiac MRI predicts cardiovascular outcomes
By Kate Madden Yee
The presence of left ventricular changes revealed on cardiac MRI can help predict 10-year negative cardiovascular outcomes, researchers have reported.
November 5, 2024
Heart Damage
Imaging societies' reactions mixed on finalized MPFS, HOPPS rule
By Amerigo Allegretto
Radiological societies have mixed thoughts after the CMS finalized its 2025 MPFS and the Hospital Outpatient Prospective Payment System rules.
November 4, 2024
Capitol Hill Government
Chest x-ray AI shines in ‘real-world’ setting
By Will Morton
A PACS-integrated AI tool correctly identified pneumothorax on inpatient chest x-rays, prioritized scans, and improved radiologist reporting times.
November 4, 2024
Critical Care Suite
Cloud-based imaging: The new catalyst for healthcare transformation
By Dhaval Shah
Dhaval Shah of CitiusTech discusses the benefits of cloud-based image management for radiology practices.
November 4, 2024
Dhaval Shah Thumbnail
SPECT/CT predicts treatment response in Pluvicto patients
By Will Morton
SPECT/CT scans taken just four hours after patients begin Lu-177 PSMA-617 treatment can help assess treatment responses.
November 1, 2024
Pluvicto Spect Ct Response Thumbnail
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