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Year : 2018  |  Volume : 1  |  Issue : 1  |  Page : 34-39

Multiple primary intracranial tumors with diverse histological origin

Department of Neurosurgery, JJ Group of Hospitals and Grant Medical College, Mumbai, Maharashtra, India

Correspondence Address:
Dr. Harish Naik
Department of Neurosurgery, JJ Group of Hospitals and Grant Medical College, Mumbai - 400 008, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/IJNO.IJNO_2_18

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Context: Most primary intracranial neoplasms occur as solitary lesions. Presence of multiple intracranial tumours with different histological origin in same individual or even collision tumours is exceedingly rare. Aims: With the advancement in neuroimaging techniques, more such synchronous tumours are being identified. The most common combination identified till date is meningioma associated with glioma. Our understanding of multiple, dissimilar intracranial tumours will gradually improve as more cases are identified, reported and studied. The explanations for the simultaneous occurrence of different primary intracranial tumours in the absence of phacomatoses or prior radiation exposure are at present hypothetical, and these tumours could be simply coincidental. Material and Methods: We present here a series of four cases who had multiple intracranial tumours of different histological origin and were managed successfully. None of our patients had received radiation in the past or had any family history of phakomatoses. Conclusions: Simultaneous occurrence of histologically different primary braintumours is rare, and its preoperative diagnosis is still challenging. Syndromic association should be ruled out in patients of histologically different multiple brain tumours. Most common primary brain tumour associated with other histologically different brain tumours is meningioma. Thorough clinical and imaging studies are mandatory in these cases to provide optimal treatment.

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