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Biomedical subjects

M Maretsis

Publications and source records attributed to M Maretsis.

At least 19 recordsLinked to original sources

Focal epileptic seizures ipsilateral to the tumour.

The authors report on six cases of cerebral tumours: three astrocytomas (two temporal and one frontal), two meningiomas (one parietal and one frontal), and a metastasis with a temporal location causing sensory-motor epileptic seizures ipsilateral to the lesion. The discussion includes comments on the pathogenesis of these manifestations viewed in the light of experimental and electrophysiological data, and on the hypotheses of the "mirror focus", irritation of the supplementary motor and secondary somato-sensory areas, compression of the opposite hemisphere, and possible absence of decussation of the sensory-motor pathways. The false localization suggested by this type of paroxysmal senzures and their rare clinical occurrence is emphasized.

Adult↗

Nelson's tumour--two case reports.

Two cases of tumours of the pituitary gland, occuring in patients after bilateral adrenalectomy for Cushing's syndrome, were admitted to the Clinic and operated on during the period 1974 to 1976. The clinical and laboratory data are compared to those of similar, published cases. The aetiology is discussed in the light of recent neuroendocrine investigations.

Adenoma, Chromophobe↗

Giant cell tumors of the calvaria.

The authors report and discuss four rare cases of primary, giant cell tumor of the cranial vault, a usually benign tumor that develops in young patients and has an extremely low rate of latent malignancy. The authors believe the preferred treatment to be total surgical removal of the tumor; only in rare cases of malignancy when the tumor is impossible to remove totally should this be combined with radiotherapy. Associated minor trauma played only a tumor-revealing role and was not involved in the etiology.

Adult↗