About diagnostic of dislocation process during temporal lobe tumors
Background : Temporal lobe tumors are characterized by high rate of dislocation, which mostly watch in medio-basal localization of tumors in limits of temporal lobe share. It’s depened on topografilly nearest of medio-basal part of temporal lobe to Pachion hole. The gravity of brain herniation is de-termined by the rate of exhaustion of brain’s compensatory reserves.
Aim : The aim of our research is to study clinic-morphological and rentgeno-diagnostic features of dis-location process during the temporal lobe tumors for definition optimal surgical treatment.
Methods : We studied 85 sectional cases of dislocation process during temporal lobe tumors – 53 males and 32 famales. Besides of morphological investigations were investigated the changes of stem and supplemented by modern rentgenocontrast researches, such as CT, MRT and Angiography.
Results : All cases of temporo-tentorial herniation are taking with intracranial pressure, which is capacity mexanism for development of dislocation process. In this process often took place stem’s displaced to the opposite side with wedging. Very important is brain’s swelling in a phase of rough decompensation , particularly when it was impossible total removal of tumors. During dislocation caused by temporal tumors, local symptom preponderated over common symptoms difference to other hemisphere tumors.
Conclusion : The volume of dislocation depened on the tumor’s mass, the rate of it’s growth, perifocal swelling, tumor’s histogenesis and intralobular localization in limits of temporal lobe share. Dislocation mostly occurs in the group of malignant tumors mainly localized in the medio-basal part of the temporal lobe. Main pathomorphologacal sign temporo-tentorial herniation, stem wedge and sharpening cerebral haemorrage need review.
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