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American Journal of Roentgenology, Vol 95, 935-941, Copyright © 1965 by American Roentgen Ray Society

RADIOACTIVE PHOSPHORUS IN THE DETECTION OF INTRAOCULAR NEOPLASMS

A REPORT OF 150 CASES

CHARLES I THOMAS M.D.1, JOHN P. STORAASLI M.D.2, and HYMER L. FRIEDELL M.D.3

1 Professor of Ophthalmology, Western Reserve University School of Medicine, Director of Ophthalmology, University Hospitals, Cleveland, Ohio.
2 Professor of Radiology, Western Reserve University School of Medicine, University Hospitals, Cleveland, Ohio.
3 Professor of Radiology and Department Chairman, Western Reserve University School of Medicine, University Hospitals, Cleveland, Ohio.

The data indicate that this method of identifying tumors is highly satisfactory. In a study of 150 cases of ocular pathology, the ratio of uptake over tumor to normal in all accessible malignancies was greater than 1.6. The ratio of nonmalignant lesions was less than 1.4. Statistical treatment has given support to the data but has also demonstrated that there is no complete separation of the two groups.

There were 15 inaccessible tumors which yielded ratios lower than 1.5 due to our inability to approximate the Geiger probe in apposition to the lesion.

To date, there has been 1 false positive case. The diagnosis in this patient has not yet been substantiated.

It would appear, therefore, from this study that the accuracy of this test when the lesion is accessible to the counter approaches 100 per cent.


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Copyright © 1965 by the American Roentgen Ray Society.