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Biomedical subjects

P C Isaac

Publications and source records attributed to P C Isaac.

4 recordsLinked to original sources
PubMed1990

Rates of drug detection in urine samples from various populations.

About 14% of all substance abuse urine tests are positive for 1.2 substances. Cannabinoid and cocaine metabolites are most frequently the cause of positivity. Individuals in probation or parole programs have the highest numbers of positive urine substance abuse tests. Our data suggest that a consistency of positivity exists for substance abuse urine tests and that this positivity, once developed by testing laboratories, can be used for purposes of contractual relations and cost predictions. Valuable educational information that may assist the population serviced by the laboratory in regard to substance abuse can also be obtained.

Humans↗
PubMed1978

Sternberg-Reed-like cells in a pleural effusion secondary to pulmonary emboli with infarction: a cytological observation.

Cells resembling Sternberg-Reed cells were observed in a pleural effusion that was caused by pulmonary embolus with infarction. Although Hodgkin's disease was suggested on the basis of abnormal pleural fluid cytological preparations, the subsequent evaluation and clinical course did not support that diagnosis. We conclude that first, the cytological diagnosis of Hodgkin's disease should only be made when Sternberg-Reed-like cells are seen in association with a compatible clinical and cytological picture, and second, the cytological diagnosis of Hodgkin's disease or other malignancy should be made with caution in cases in which pulmonary infarction is present.

Adult↗
PubMed1977

Multiple giant cell tumors.

A case of multiple giant cell tumors is reported. Neither of the lesions was malignant. The clinical, pathologic, and radiographic features of giant cell tumors are discussed.

Adult↗