Scotty Dog Collar -is the pars intra-articulares – the site for spondylolysis
Ashley Davidoff MD
TheCommonVein.net
Signs in Radiology
Art of Radiology
Series Animals in the Body
X-Ray
TheCommonVein.net
Caput Medusa
CT courtesy of Dr Hani Makky Al Salam, Radiopaedia.org, rID: 8806
Art courtesy Caravaggio
Ashley Davidoff MD
TheCommonVein.net
Signs in Radiology
Art of Radiology
Signs in Radiology
CTscan
Apple Core Lesion in the Colon
Double contrast barium enema shows a focal narrowing of the lumen (a, outlined in green in b and surrounded by tumor in c). At the inferior and superior aspects of the narrowing there is heaping up of the surrounding tumor. Image shows an appl core with the green in d representing the lumen. Image f is a gross pathology specimen showing the ?apple core? appearance with luminal narrowing surrounded by tumor
Ashley Davidoff MD
TheCommonVein.net
Food in the Body and Signs in Radiology
Art of Radiology