title: Symptomatic Granuloma Secondary to Embolic Agent: A Case Report.
abstract: Onyx is a liquid embolic agent presently gaining wide acceptance for embolisation of multiple vascular cranial pathologies like Arteriovenous Malformation (AVM) and Arteriovenous Fistula (AVF). Onyx stays in the nidus of vascular pathology and initiates inflammatory response leading to thrombosis and subsequently resulting in occlusion of vascular nidus. However, if onyx spills into the surrounding brain tissue, reaction occurs in the form of foreign body inflammatory reaction. This is one of the very few cases in literature whereby embolisation of AVM with onyx lead to granuloma formation which needed surgical excision. It presented with limb weakness and seizure episodes.
authors.affiliation: Consultant Neurosurgeon, Department of Neurosurgery, Bombay Hospital Institute of Medical Sciences , Mumbai, Maharashtra, India .
authors.forename: Prashant
authors.initials: P
authors.lastname: Gunawat
authors.affiliation: Senior Resident, Department of Neurosurgery, Bombay Hospital Institute of Medical Sciences , Mumbai, Maharashtra, India .
authors.forename: Salman Tehran
authors.initials: ST
authors.lastname: Shaikh
authors.affiliation: Consultant Neurosurgeon, Department of Neurosurgery, Bombay Hospital Institute of Medical Sciences , Mumbai, Maharashtra, India .
authors.forename: Vikram
authors.initials: V
authors.lastname: Karmarkar
authors.affiliation: Professor and Head of Department, Department of Neurosurgery, Bombay Hospital Institute of Medical Sciences , Mumbai, Maharashtra, India .
authors.forename: Chandrashekhar
authors.initials: C
authors.lastname: Deopujari
keywords: Arteriovenous malformation; Onyx; Seizure