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Year : 2016  |  Volume : 11  |  Issue : 3  |  Page : 313-314

Transformation of a meningioma with atypical imaging

Department of Neurosurgery, Bombay Hospital Institute of Medical Sciences, Mumbai, Maharashtra, India

Correspondence Address:
Dr. Ashish Kumar
126B, 1st Floor MRC Building, Bombay Hospital Institute of Medical Sciences, 12, New Marine Lines, Mumbai - 400 020, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1793-5482.145062

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Meningiomas are benign tumors of the central nervous system. They have long term curability if they are excised completely. If not, they can recur after a prolonged period and can lead to increased morbidity during re-surgery. Recurrence is rarely associated with invasiveness. Usually de-differentiation in case of meningiomas is uncommon without any predisposing factors including different genetic mutations or radiation to the involved region. We report a case of a 38-year-old female who was operated for a benign para-sagittal meningioma 8 years back and subsequently developed an invasive recurrence off late. Also this time, the imaging morphology was slightly different for a meningioma and gross as well as microscopic findings were very atypical. Awareness for such cases must be there while dealing with recurrent meningiomas as invasiveness may not always be associated with adverse predisposing factors like radiation. As invasiveness is always a histopathological diagnosis, picking up such features on imaging is a daunting task and if done, can help neurosurgeons prognosticate such invasive recurrences in a better fashion.

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