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  • Title: [MRI screening before stem cell transplantation--necessary?].
    Author: Zimmermann U, Mentzel HJ, Wolf J, Fuchs D, Gruhn B, Zintl F, Kaiser WA.
    Journal: Rofo; 2008 Jan; 180(1):30-4. PubMed ID: 18008193.
    Abstract:
    PURPOSE: In the context of stem cell transplantation (SCT), we often observe neurological complications as a consequence of immune system suppression, conditioning therapy or prophylaxis and treatment of graft-versus-host disease. Furthermore, cerebral lesions in existence prior to transplantation can be found. The aim of this study was to evaluate the benefit of cerebral magnetic resonance imaging (MRI) prior to stem cell transplantation. PATIENTS AND METHOD: Cerebral MR examinations of 116 children and adolescents were performed before SCT. Patients ranged in age from 1.1 to 21.4 years (mean 12.6 years). All MR images were obtained by a 1.5 T system. The predefined short protocol included an axial T 1-weighted SE sequence and a coronary T 2-weighted TSE sequence. We evaluated existing cerebral lesions, the diameter of the ventricular system, and the paranasal sinuses. In the case of pathological findings, the short examination protocol was expanded. RESULTS: In 5 of 116 children (4.3 %) we observed prior to SCT findings requiring immediate treatment although the patients did not show any clinical symptoms (1 x aspergilloma, 1 x hemorrhage of vascular anomaly). An increased risk of bleeding caused by cavernoma or another vascular anomaly without hemorrhage also had to be taken into account. 32 of 116 patients (37.1 %) showed atrophic lesions. In 42 children (36.2 %), we observed affections of the paranasal sinuses. CONCLUSION: The imaging findings requiring immediate treatment even though the children did not show any clinical signs, justify cerebral MR examinations prior to stem cell transplantation.
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