NirvanamKnowledge · Cases · Solver

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Browse canonical concepts by label, domain, node type, prefix and encoded class.

784 results

Current membership scope: Base domain only

ConceptNode typeBase domainMatched membershipIdentifier
Codfish Vertebra
biconcave appearance of the vertebral bodies themselves in sickle cell disease from avascular necrosis resembling the vertebra of codfish
Radiological SignRadiologyBase domainAMW:RAD:110062
Codman's Triangle
triangular elevation of periosteum from an aggressive, usually malignant, bone tumor such as an osteosarcoma
Radiological SignRadiologyBase domainAMW:RAD:110031
Cœur en sabotRadiological SignRadiologyBase domainAMW:RAD:110320
Coffee-bean Sign
dilated sigmoid colon in sigmoid
Radiological SignRadiologyBase domainAMW:RAD:110039
Coin Lesion
a solitary pulmonary nodule generally considered less than 3 cm in size, most often a granuloma or hamartoma
Radiological SignRadiologyBase domainAMW:RAD:110030
Collar Button Ulcer
GI-ulceration with undermining of submucosa producing distinctive shape, esp with ulcerative colitis
Radiological SignRadiologyBase domainAMW:RAD:110053
Colon Cutoff Sign
dilated transverse colon, usually to splenic flexure, associated with pancreatitis or ischemic colitis
Radiological SignRadiologyBase domainAMW:RAD:110040
Comb Sign
contrast-enhanced tubular opacities on the mesenteric side of the ileum aligned like the teeth of a comb, especially in Crohn disease
Radiological SignRadiologyBase domainAMW:RAD:110041
Comet Sign
appearance of a calcified phlebolith and
Radiological SignRadiologyBase domainAMW:RAD:110043
Comet Tail Sign
lung-focal area of collapsed lung adjacent to pleural thickening with distortion of blood vessels in rounded atelectasis
Radiological SignRadiologyBase domainAMW:RAD:110042
Comet tail sign (CT thorax)Radiological SignRadiologyBase domainAMW:RAD:110319
Computed Tomography Angiography
A non-invasive method that uses a CT scanner for capturing images of blood vessels and tissues. A CONTRAST MATERIAL is injected, which helps produce …
Imaging InvestigationRadiologyBase domainAMW:TECH:010292
Cone-Beam Computed Tomography
Computed tomography modalities which use a cone or pyramid-shaped beam of radiation.
Imaging InvestigationRadiologyBase domainAMW:TECH:010399
Coned Epiphyses
are usually normal but may occur in sickle cell anemia, congenital diseases, infection, trauma, and radiation injury
Radiological SignRadiologyBase domainAMW:RAD:110061
Continuous Diaphragm Sign
visualization of entire upper surface of diaphragm from pneumomediastinum
Radiological SignRadiologyBase domainAMW:RAD:110045
contrast on contrast
enhanced CT in extraperitoneal bladder rupture
Radiological SignRadiologyBase domainAMW:RAD:110158
Cord signRadiological SignRadiologyBase domainAMW:RAD:110394
Corduroy Sign
vertically oriented, thickened trabeculae seen in vertebral body hemangiomas
Radiological SignRadiologyBase domainAMW:RAD:110046
Corkscrew Esophagus
constricted, twisted lumen usually seen in diffuse esophageal spasm from abnormal, tertiary contractions
Radiological SignRadiologyBase domainAMW:RAD:110047
Corkscrew Sign
spiral appearance of 4th part of
Radiological SignRadiologyBase domainAMW:RAD:110057
Coronary Angiography
Radiography of the vascular system of the heart muscle after injection of a contrast medium.
Imaging InvestigationRadiologyBase domainAMW:TECH:010271
Cortical Ring Sign
circular shadow cast by rotated scaphoid in scapholunate subluxation secondary to scaphoid's abnormal orientation
Radiological SignRadiologyBase domainAMW:RAD:110029
Costophrenic Angle Blunting
Blunted costophrenic angle suggests pleural effusion or pleural thickening.
Radiological SignRadiologyBase domainAMW:RAD:020022
Costotransverse joint
Costotransverse joint.
Radiological SignRadiologyBase domainAMW:RAD:020082
Costovertebral joints
Costovertebral joints.
Radiological SignRadiologyBase domainAMW:RAD:020084
Cottage Loaf Sign
constricted appearance of liver
Radiological SignRadiologyBase domainAMW:RAD:110059
Cotton Wool Appearance
islands of poorly marginated sclerotic disease surrounded by less dense skull in Paget disease
Radiological SignRadiologyBase domainAMW:RAD:110032
Crazy Paving Sign
fine reticular pattern
Radiological SignRadiologyBase domainAMW:RAD:110048
Crescent Sign
appearance of a sliver of air usually best seen beneath the right hemidiaphragm in pneumoperitoneum
Radiological SignRadiologyBase domainAMW:RAD:110050
Crescent Sign (Hip)
subarticular radiolucency of - femoral head seen best on frog lateral in avascular necrosis
Radiological SignRadiologyBase domainAMW:RAD:110055