Cynthia E. Keen

Radiation Oncology/Therapy
SBRT for early prostate cancer shows promising interim results
Preliminary study results suggest that stereotactic body radiation therapy (SBRT) provides good prostate-specific antigen response for early-stage prostate cancer, with side effects comparable to those of conventional radiation therapy treatment.
April 8, 2009
Radiation Oncology/Therapy
Single-entry APBI offers flexibility in treating breast cancer
Until recently, accelerated partial-breast irradiation (APBI) was not an option for most women with small breasts or a tumor located close to the chest wall and lung or the surface of the skin. The introduction of multicatheter single-entry brachytherapy devices, however, is beginning to change the situation.
April 2, 2009
Clinical News
Radiology reporting terms can confuse pediatricians
When radiologists use common terms in their reports of chest radiograph findings, they assume that clinicians use the same terms as well. However, some radiologic descriptors may lead to unintended diagnostic conclusions, as pediatric radiologists discovered after conducting a survey of pediatricians in the Nashville, TN, area.
April 2, 2009
Industry News
Radiography fails to offer diagnosis for sudden hip pain in kids
Hip and pelvic radiography exams ordered for children younger than 9 years who have nontraumatic, acute onset hip pain are of limited diagnostic value in distinguishing serious from benign disease. For this reason, these exams should not be routinely ordered by emergency department or urgent care clinicians, according to a New Zealand study.
March 31, 2009
Pediatric Radiology
AuntMinnie.com Pediatric Insider
March 29, 2009
CT
California hospital fined $25,000 for pediatric CT radiation overdose
A California hospital where a 2-year-old child received a massive overdose of radiation during a series of CT scans has been hit with a $25,000 fine by state regulatory authorities, who found that the facility did not follow its own written policies and procedures regarding radiation safety.
March 23, 2009
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Radiation Oncology/Therapy
IGRT corrects for prostate shift in obese patients during treatment
Obese men with prostate cancer who receive external beam radiation therapy have a higher rate of biochemical failure and recurrence of cancer than their thinner peers. The authors of a recent study suggest that the delivered radiation dose may be off target, and recommend using image-guided radiation therapy (IGRT).
March 22, 2009
Digital X-Ray
Low-dose whole-body x-ray works for bone surveys
Low-dose whole-body radiographic systems were initially designed to rapidly image critically injured emergency and trauma patients. But sites with the systems are finding that they can be useful for performing rapid bone survey screenings of cancer patients, saving time and radiation dose for patients.
March 19, 2009
Radiation Oncology/Therapy
AuntMinnie.com Radiation Oncology Insider
March 18, 2009
Radiation Oncology/Therapy
Stereotactic radiotherapy for pancreatic cancer remains controversial
No curative treatments exist for pancreatic cancer patients with locally advanced or unresectable disease. Various chemotherapy and chemoradiation treatments are used to enhance survival and improve the quality of a patient's remaining life. Should stereotactic body radiotherapy (SBRT) be one of these treatment options? That's open to debate.
March 15, 2009
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Ultrasound
POCUS performs well in assessing pathologic venous congestion
Point-of-care ultrasound (POCUS) showed success in venous excess ultrasound assessment of critically ill patients.
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CT
Machine learning plus CT helps assess severity of COPD
Thyroid 400
Ultrasound
Active thyroid surveillance effective, beneficial for older patients
A 58-year-old woman was diagnosed with ER-positive (Allred score 8) ILC in her right breast. Ultrasound and MRI found prominent lymph nodes in right axillary level I area, diagnosed as metastasis on ultrasound-guided fine-needle aspiration. F-18 FES-PET/CT showed a positive mass in right breast (white arrow; SUVmax, 5.6) and multiple F-18 FES–positive lymph nodes in right axillary level I, II, and II/III junction areas (red arrows; SUVmax, up to 12.2). In addition, a small F-18 FES-positive lymph node was observed in the right second internal mammary area (red circles; SUVmax, 1.8). However, biopsy could not be performed because it was too small and not visible on ultrasound; the clinician decided to include internal mammary lymph node in treatment field for adjuvant radiotherapy. The patient underwent lumpectomy with ALN dissection, with five metastases being identified in 13 lymph nodes dissected, and is scheduled to receive adjuvant chemotherapy, radiotherapy, and endocrine therapy.
Molecular Imaging
FES-PET shows promise staging women with invasive lobular cancer
Emergency Robert Hainer
CT
Structured CT reporting tool may aid hernia detection after bariatric surgery
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Dedicated ultrasound and MRI protocols -- in contrast to routine ones -- are more effective in diagnosing endometriosis, researchers have reported.
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Money Pile
Radiotracer for kidney cancer performs well in phase III trial
By Will Morton
A PET radiotracer that detects clear-cell renal cell carcinoma proved safe and highly effective in a clinical trial conducted at 36 research hospitals across nine countries.
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Radiologist faces strong criticism in negligence case
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The Malaysian government has been ordered to pay the widow of a lawyer 2 million ringgits in damages in a medical negligence case.
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Cardiac PET use increases in coronary artery disease
By Will Morton
PET, CT, and MRI use for assessing coronary artery disease increased in Medicare patients from 2018 to 2022.
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Researchers develop a CEUS bladder cancer scoring metric
By Liz Carey
A newly developed contrast-enhanced ultrasound (CEUS) Vesical Imaging-Reporting and Data System is effective for novice and expert readers.
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