MAGNETIC RESONANCE IMAGING EVALUATION OF SPINAL TUMOURS AND ITS PATHOLOGICAL CORRELATION IN ROHILKHAND REGION

Taranjeet Kaur; Rajneesh Madhok

Taranjeet Kaur Department of Radiodiagnosis, Shri Ram Murti Smarak Institute of Medical Sciences, Bareilly, Uttar Pradesh
Rajneesh Madhok Department of Radiodiagnosis, Shri Ram Murti Smarak Institute of Medical Sciences, Bareilly, Uttar Pradesh

Abstract

Introduction: Spinal tumours of the spine constitute around 15-20% of CNS tumours. It can

be localized into three compartments- extradural, intradural extramedullary and

intramedullary. Once the lesion is localized, a differential diagnosis can be established based

on the tumours that commonly occur in that compartment. These lesions have characteristic

magnetic resonance imaging features for a definitive diagnosis. The present study aims to

evaluate spectrum of spinal tumours and correlate MRI imaging with pathological findings.

Material and Methods: The present study included 48 patients and was conducted on 3 Tesla

MRI. The patients who had back pain and neurological symptoms & were diagnosed as spinal

tumours on FNAC/ Biopsy were included. The routine MRI protocols included T1WI & T2WI

sagittal and axial, STIR coronal and sagittal images; slice thickness was 3.0 mm; field of view

(FOV) was 28 - 32 cm and contrast enhanced axial, sagittal and coronal T1W fat sat images.

The images were assessed for location, shape, extent, component characteristics, signal

intensities on different MRI sequences and enhancement patterns of the lesions. The lesions

were correlated with cytohistopathological findings.

Results: Male predominance (2.7:1) with common age group 41-50 years with mean age of 43

years was seen. The male: female ratio in malignant and benign was 1:1.8 and 1:6 respectively.

Most common location of tumours was intradural extramedullary (54.16%), followed by

Extradural (37.5%) and intramedullary spinal cord tumour (6.25%). Most common location

was dorsal (52.08%). The most common spinal tumour was metastasis followed by nerve

sheath tumours. On correlation of MRI finding with cytohistopathology sensitivity and

specificity for malignant lesion was 85.71% and 96.29 % respectively, while for benign lesion

was 96.29 % and 85.71% respectively.

Conclusion: Magnetic resonance imaging is useful in effectively defining the size, shape and

position of tumour along with accurate localization of particular compartment of tumour and

correlation with cytohistopathology.

Keywords: Spinal Tumours, pathological correlation, magnetic resonance imaging

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