Ocena trafności histologicznych rozpoznań guzów wewnątrzczaszkowych przez neuroradiologów w oparciu o badanie metodą tomografii komputerowej i rezonansu magnetycznego

Background: Management of patients with intracranial tumor depends on accurate diagnosis of its histology. The aim of this study was to identify the accuracy with which radiologists were able to diagnose the tumor type on CT or MRI. Material/ Methods: Two groups of patients with definitive histopathological diagnoses and with complete radiological documentation were included into the study. The first group contained 85 of 110 patients operated on because of posterior cranial fossa tumor between Jan. 1, 2001, and Feb. 30, 2003. The second group comprised 63 of 100 patients operated on because of supratentorial tumor between Jan. 1 and June 30, 2002. Cases with multiple cerebral metestases or recurrent brain tumors were excluded. Accuracy, sensitivity, and specificity were calculated. Results: In the first group the histological diagnoses were as follows: 25 neurilemmomas, 19 metastases, 16 meningiomas, 10 hemangioblastomas, 7 gliomas, and in the remaining 8 other types. The sensitivities of the radiological diagnoses for the above-mentioned histological types were, respectively, 92%, 89%, 81%, 70%, 86%, and 25%. The general accuracy was 80%. In the second group, 19 were high-grade gliomas, 16 meningiomas, 10 metastases, 7 low-grade gliomas, 7 hypophyseal adenomas, and the remaining 4 were others. The sensitivities of radiological diagnoses were, respectively, 84%, 100%, 70%, 57%, 86%, and 50%. The general accuracy was 81%. Conclusions: CT with contrast, supplemented by MRI in more difficult cases, has high histological diagnostic sensitivity i

Cross-cultural adaptation and validation of the Polish version of the core outcome measures index for low back pain

PURPOSE: The Core Outcome Measures Index (COMI) is a short, multidimensional outcome scale validated for the use by patients with spinal disorders. It is a recommended instrument in the Spine Society of Europe Spine Tango Registry. The purpose of this study was to produce a cross-culturally adapted and validated Polish COMI. METHODS: The cross-cultural adaptation was carried out using the established guidelines. One-hundred and sixty-nine patients with chronic low back pain were enrolled, 89 took part in the reproducibility part of the study. Data quality, construct validity and reproducibility were assessed. RESULTS: The quality of data was very good with very few missing answers and modest floor effect. Reliability expressed as intraclass correlation coefficient (ICC) was 0.90 (95 % CI 0.85–0.93) for the overall COMI score and for most of the individual core items. The minimum detectable change (MDC(95%)) was 1.79. CONCLUSIONS: The Polish version of COMI showed a favorable reproducibility similar to that of previously tested language versions. The COMI scores correlated sufficiently with existing measures. This version of the COMI is a valuable instrument for the use by Polish-speaking patients with spinal disorders. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (doi:10.1007/s00586-012-2607-2) contains supplementary material, which is available to authorized users