Biomedical subjects
Publications and source records attributed to T J Eberts.
A case of primary inoculation tuberculosis of the finger is described, in which Mantoux test conversion reverted after prompt surgical and medical treatment. The pathology of primary inoculation tuberculosis is reviewed briefly, and the rationale for excision of the early tuberculous lesion is discussed.
Endodermal sinus tumor (yolk sac carcinoma), a germinal neoplasm, is rarely primary in the cranial cavity. The authors add a third case with the tumor located in the anterior third ventricular (suprasellar) region to the literature. Seventeen previously reported intracranial cases, mostly in the pineal region, are briefly reviewed.
We have developed a simplified xylose assay procedure that requires only 10 min and requires 50 microL of serum or 5 microL of urine. The reaction with phloroglucinol is more sensitive than the classic p-bromaniline color reaction, and requires only 4 min of heating for color development. A single reagent is mixed with the specimen directly, without prior protein precipitation. Analytical recovery of xylose added to serum was quantitative; precision studies resulted in a between-day coefficient of variation of 5.2%. Glucose, which has significant potential for interference in most other xylose procedures, reacts under the test conditions only to the extent of 70 mumol of apparent xylose per liter for a 5.5 mmol/L solution of glucose. The new procedure has been valuable in the assessment of malabsorption, especially in children and infants, where serum xylose is the preferred measurement.
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