Abstract
The results of enzyme-histochemical and electron-microscopic investigations of a patient with centronuclear myopathy combined with targets, cores and prevalence of type-I fibers are presented. The patient had suffered from perinatal hypoxic brain damage, causing enlargement of the ventricular system, slight frontal atrophy and right-sided hemiparesis. Morphologic investigation of muscle fibers demonstrated dynamic activity of an autophagic system represented by a distinct increase of Golgi components adhering to the nuclear surface. By analysing the lytic events and their sequences, a postnatal secondary migration of subsarcolemmal nuclei to the central regions of muscle fibers can be postulated.
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