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The Egyptian Journal of Neurology, Psychiatry and Neurosurgery
Fig. 1 | The Egyptian Journal of Neurology, Psychiatry and Neurosurgery

Fig. 1

From: COVID19-induced immunosuppression and aggressive progression of primary cranial vault lymphoma presenting as a management challenge, a case report, and a literature review

Fig. 1

a Nonenhanced computerised tomography scan suggesting lesion of size 3 cm without underlying cortical changes in calvaria. lesion is isodense. b On Coronal T2Magnetic resonance imaging (MRI) images done 6 months later shows increase in size of the lesion to around 10 cm with new lesion in with cortical changes in underlying bone suggesting selective permeation of tumour tissue. c Coronal T2 weighted image suggestive of lesion in midline with involvement of anterior sagittal sinus and left parietal region Dural involvement. d Coronal contrast MRI suggesting homogenous contrast enhancement of the lesion with Dural tail sign present

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