Despite precautions, cotton and gauze pads used for dissection or to achieve haemostasis during neurosurgical procedures can inadvertently be left behind and result in clinically symptomatic or asymptomatic and radiologically apparent mass lesion, sometimes referred to as "textilomas" or "gossypibomas", often mimicking recurrent tumour or abscess on neuroimaging studies. We report the neuroimaging evaluation, including computed tomography (CT), magnetic resonance imaging (MRI) and spectroscopy (H1-MRS), in a case of textiloma developing after the treatment of a third ventricle colloid cyst.
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