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