Dr. J. Leonard Lichtenfeld

CT
CT colonography and Medicare: Are we the enemy?
In this editorial opinion, Dr. Len Lichtenfeld, deputy chief medical officer for the American Cancer Society, outlines his concerns over an editorial in the New England Journal of Medicine praising the decision by the U.S. Centers for Medicare and Medicaid Services not to cover CT colonography -- as well as his objections to the CMS decision itself.
June 23, 2009
2009 06 23 14 37 33 976 Second Opinion Am
Page 1 of 1
Top Stories
2025 08 26 Radiology Qin Fig2 Thumbnail
MRI
Check for middle neck involvement for nasopharyngeal cancer prognosis
"Our study establishes [MNI] as an independent prognostic determinant in N1 and N2 nasopharyngeal carcinoma," researchers wrote.
Ad
Molecular Imaging
PET links brain receptor to emotional numbing in PTSD
Contrast Injector 400
Womens Imaging
CEM, DBT show promise for preoperative breast cancer staging
Amputee Man Adobe Yurakrasil
MRI
MRI illumines how the brain maintains 'representation' of phantom limbs
Dexa
Digital X-Ray
3D DEXA reveals lower bone density in diabetes patients
More in Home
Check for middle neck involvement for nasopharyngeal cancer prognosis
By Kate Madden Yee
"Our study establishes [MNI] as an independent prognostic determinant in N1 and N2 nasopharyngeal carcinoma," researchers wrote.
August 26, 2025
2025 08 26 Radiology Qin Fig2 Thumbnail
PET links brain receptor to emotional numbing in PTSD
By Will Morton
To date, only a single study has investigated CB1R availability in humans exposed to trauma.
August 25, 2025
Ad
CEM, DBT show promise for preoperative breast cancer staging
By Amerigo Allegretto
Contrast-enhanced mammography and DBT could serve as alternatives to MRI for preoperative staging of breast cancer.
August 25, 2025
Contrast Injector 400
MRI illumines how the brain maintains 'representation' of phantom limbs
By Kate Madden Yee
"The brain's control center for a lost appendage can persist long after surgical amputation," researchers say.
August 25, 2025
Amputee Man Adobe Yurakrasil
3D DEXA reveals lower bone density in diabetes patients
By Will Morton
3D DEXA revealed differences that conventional bone mineral density measurements did not detect.
August 22, 2025
Dexa
Gadolinium in ... beer?
By Kate Madden Yee
Results from a study offer a "snapshot" of the current status of rare earth element contamination in beverages.
August 22, 2025
Beer Glasses Adobe Viiviien
MWA safe, effective in treating hyperthyroidism with nodules
By Amerigo Allegretto
Microwave ablation (MWA) with ultrasound may be effective in treating patients with hyperthyroidism.
August 22, 2025
Ultrasound Probe Vascular
AI model shows promise for diagnosing prostate cancer
By Will Morton
The sensitivity of the model was comparable to that of nuclear medicine physicians.
August 22, 2025
Psma Pet
'Habitat' AI model helps stratify lung nodule disease risk on LDCT
By Kate Madden Yee
This type of model has an edge on its 2D and radiomics counterparts, researchers reported.
August 21, 2025
2025 08 21 Ajr Li Figure3 A Thumbnail
CE MRI-based radiomics model captures DEB TACE-induced tumor changes
By Liz Carey
Researchers in Germany evaluated a Siamese network model's performance in optimizing hepatocellular carcinoma treatment.
August 21, 2025
Liver Cancer (1)
POCUS performs well in assessing pathologic venous congestion
By Amerigo Allegretto
Point-of-care ultrasound (POCUS) showed success in venous excess ultrasound assessment of critically ill patients.
August 21, 2025
Ultrasound Diagnostic Control Panel 400
Machine learning plus CT helps assess severity of COPD
By Kate Madden Yee
A machine-learning model based on chest CT images accurately predicts lung function, which can help clinicians diagnose and assess COPD.
August 20, 2025
2025 08 14 Int J Chron Obstruct Pulm Sui Figure2 Thumbnail
Page 1 of 166
Next Page