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Radiology, Vol 125, 141-144, Copyright © 1977 by Radiological Society of North America

ARTICLES

The nonspecificity of absorption coefficients in the differentiation of solid tumors and cystic lesions

RE Latchaw, LH Gold, JS Moore Jr and JT Payne

Eleven lesions of the brain were analyzed and compared; they had absorption coefficients uniformly at the cerebrospinal fluid (CSF) level following contrast enhancement, and ranged from benign to malignant and solid to cystic. Grossly solid tumors may have absorption coefficients on the CT scan equal to CSF even after contrast enhancement. Absorption coefficients are misleading as histological indicators and in diagnosis; it is impossible to separate cystic from non-cystic, benign from malignant, and neoplastic from non-neoplastic lesions by absorption coefficients alone.




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Copyright © 1977 by the Radiological Society of North America.