BACKGROUND Microclip placement during AVM resection is generally accepted to be a safe practice in neurosurgery. Here, we describe an unusual complication involving cranio-spinal clip migration discovered five years after the initial AVM surgery. CASE PRESENTATION A 53-year-old man underwent resection of a superior vermian AVM that required the placement of two microclips during the procedure...

Background: Radiation-induced molecular changes on the endothelial surface of brain arteriovenous malformations (AVM) may be used as markers for specific vascular targeting agents. In this study, we examined the level of expression of platelet endothelial cell adhesion molecule-1 (PECAM-1) on brain endothelial cell surface after radiation treatment, with the aim of targeting the radiation-induc...

Background & Importance: Our study was performed based on the first case, reported in English, of a patient with three contemporary lesions, an extra-axial malformation and two vascular ones. Case Presentation: A 62-year-old man referred to our clinic due to right hand tremor associated to a slowing of idea-forming function and movements. The neuroradiological evidence showed a right fronto-te...

Introduction: The rupture of an intracranial Arteriovenous Malformation (AVM) in pregnancy is a rare occurrence, but may have fatal maternal and fetal consequences. Association between AVM rupture and pregnancy has been proposed which may be caused by increased cardiac output or circulatory effects of the elevated estrogen levels. The presentation during the pregnancy is usually as a result of ...

Extensive use of avermectin (AVM) can result in environment pollution, and it is important to evaluate the potential impact this antibiotic has on ecological systems. Few published literatures have discussed the liver injury mechanisms induced by AVM on birds. In this study, pigeons were exposed to feed containing AVM (0, 20, 40 and 60 mg/kg diet) for 30, 60, 90 days respectively. The results s...

The coexistence of spinal teratoma of the conus medullaris and arteriovenous malformation (AVM) is exceptional, which has not been reported previously in the literature. The precise mechanism of the coexistence of these conditions is not known, however, the dysembryonic origin of spinal cord teratoma and AVM seems to play a part in this process. A 34-year-old male patient was admitted with lowe...

Secondary hemifacial spasm (HFS) occurs by a conflict between the facial nerve and intracranial pathology, such as cerebellopontine angle tumor or vascular abnormality like arteriovenous malformation (AVM) aneurysm. HFS caused AVM is rare, optimal combination of treatment options has not been established. with without microvascular decompression (MVD) was provided in previous studies, outcomes ...

A brain tumor associated with an arteriovenous malformation (AVM) is very rare. A 42-year-old female presented with two separate lesions in her right frontal lobe on MRI. An angiogram diagnosed one of the lesions as an AVM. The second lesion appeared to be a tumor. Tumor removal was difficult due to bleeding from the nearby AVM, necessitating removal of the AVM and allowing complete excision of...

Arteriovenous malformations (AVM) are congenital vascular anomalies but are usually first noticed in childhood or adulthood. Head and neck is the most common location for AVM. Extracranial lesions are rare compared to intracranial lesions. The rapid enlargement of the malformation leading to symptoms is usually triggered by trauma or hormonal changes of puberty or pregnancy. Traumatic AVM of th...