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Diagnostic utility of endocrine and neuroimaging screening tests in first-onset adolescent psychosis
Objective:
To determine the diagnostic utility of endocrine and neuroimaging screening tests in first-onset adolescent psychosis.
Method:
111 consecutively admitted adolescents (aged 13 through 19 years) who presented with a first-onset psychosis and who had an unremarkable medical history and normal physical examination were given a battery of endocrine and neuroimaging screening tests. Diagnostic utility of a screening test was defined as an abnormal result (a positive test) that either led to a previously unknown or unsuspected medical diagnosis or played an important role in the clinical care of the patient.
Results:
15.4% of the endocrine screening tests and 11.0% of the neuroimaging screening tests were identified as positive. However, no endocrine and no neuroimaging tests met criteria for diagnostic utility. The direct cost of this screening battery was $636.95 per patient.
Conclusion:
Routine endocrine and neuroimaging screening tests in first-onset adolescent psychosis provide no diagnostic utility and are not cost-effective. Selective use of appropriate endocrine and neuroimaging diagnostic tests in populations with symptoms suggestive of organic disorders should replace routine screening procedures.