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Biomedical subjects

M Geissler

Publications and source records attributed to M Geissler.

3 recordsLinked to original sources

Liver tissue characterization using computerized echography.

A digital echographic data acquisition and evaluation system was used in a clinical study including more than 100 patients with various local or diffuse liver tissue alterations. For diagnosis two decision methods are applied: first linear discriminant analysis and second a Bayesian method. Each A-scan is represented by a set of various numerical parameters from which only the most signal-distinctive ones are used for evaluation. The diagnostic results which will be presented and discussed have proved the method to be very sensitive and specific.

Diagnostic Errors

[The influence of menstruation cycle on human parotid saliva composition (author's transl)].

The influence of different sexual hormone levels during menstrual cycle on the composition of human parotid saliva was investigated. During mid-cycle there were significantly enhanced concentrations of ionized calcium, total calcium, inorganic phosphate and sodium in parotid saliva. The changes in chloride concentrations were parallel to that of sodium and the excretion of postassium was inverse to that of sodium. The maximal out-put of total protein and alpha-amylase was found during midcycle and menstruation.

Fasting