Notes

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Preoperative embolization was not associated with excellent outcome (
= 0.328).

Surgical outcomes for VH are predominantly favorable, but aggressive VHs have the potential to cause significant residual postoperative neurological morbidity.
Surgical outcomes for VH are predominantly favorable, but aggressive VHs have the potential to cause significant residual postoperative neurological morbidity.
Intracranial and central nervous system's involvement with multiple myeloma (MM) is a clinically rare manifestation. Furthermore, the development of intracranial plasmacytoma without bone involvement is much rarer. Herein, we report the case of massive intracerebral hemorrhage form intracranial plasmacytoma that arose from the dura mater without bone involvement.

A 71-year-old woman, who had been diagnosed as MM and treated 2 years prior, developed sudden lethal intracerebral hemorrhage from the intracranial plasmacytoma. Massive hemorrhage was observed after a rapid tumor growth in the middle fossa. Immediate hematoma evacuation and tumor resection allowed the patient to avoid severe neurological deficits and lethal conditions.

A close follow-up by neuroimaging studies is essential in cases of intracranial plasmacytoma in MM patients and early intervention with surgical resection or radiotherapy should be considered.
A close follow-up by neuroimaging studies is essential in cases of intracranial plasmacytoma in MM patients and early intervention with surgical resection or radiotherapy should be considered.
Colloid cysts of third ventricle are rare lesions which may present with symptoms of acute hydrocephalus. We report a case of acute obstructive hydrocephalus secondary to third ventricular colloid cyst and its management during 1
trimester pregnancy.

A 31-years-old lady presented to the emergency department with reduced consciousness. Computed tomography head showed obstructive hydrocephalus and an obstructing lesion near foramen of Monro suggestive of third ventricle colloid cyst. She underwent endoscopic resection of colloid cyst. Her pregnancy was only confirmed after surgery and she delivered a healthy neonate at full term. She has remained clinically well and had resumed her work as a general practitioner.

This case illustrates that urinary pregnancy test may show false negative result but pregnancy should not preclude radiological investigation and neurosurgical intervention in patients with deteriorating neurological function.
This case illustrates that urinary pregnancy test may show false negative result but pregnancy should not preclude radiological investigation and neurosurgical intervention in patients with deteriorating neurological function.
The filum terminale arteriovenous fistulas (FTAVFs) are a very rare type of spinal vascular malformation. Clinically, these lesions could present with a progressive ascending myelopathy also called FoixAlajouanine syndrome. Due to the rarity of these vascular malformation, some can be misdiagnosed, submitted to unnecessary spinal surgery, and even masqueraded as a failed back surgery syndrome. Based on the present case and related literature, we review all the cases with similar history and describe factors that should raise awareness for diagnosis of this spinal vascular malformation.

We present a case of a patient with a FTAVF at the level of L5-S1 that presented with a FoixAlajouanine syndrome. He had been previously submitted to a lumbar decompressive laminectomy without sustained improvement. After the identification and surgical treatment of the vascular malformation, he had progressive neurological improvement.

FTAVF is a very rare spinal intradural spinal vascular malformation that can be masqueraded as a failed back surgery syndrome. In these cases, signs of ascending myelopathy should prompt awareness and vascular voids must be carefully evaluated in MRI.
FTAVF is a very rare spinal intradural spinal vascular malformation that can be masqueraded as a failed back surgery syndrome. Mycophenolic in vivo In these cases, signs of ascending myelopathy should prompt awareness and vascular voids must be carefully evaluated in MRI.
Stereotactic brain biopsy techniques have been a focus of rapid technological innovation. The recent advent of frameless stereotaxy has invited the question of whether it can provide the same diagnostic yield as frame-based techniques, without increasing risk of harm to patients. The goal of this meta-analysis was to compare each of these techniques in terms of yield and safety.

We independently searched four databases for English studies comparing frameless and frame-based stereotactic brain biopsies. Our primary outcome was biopsy diagnostic yield. Our secondary outcomes included mortality, morbidity (e.g., symptomatic postbiopsy intracranial hemorrhage, asymptomatic postbiopsy intracranial hemorrhage, new postbiopsy neurological deficit, and postbiopsy seizure), and frequency of repeat biopsy. We calculated pooled estimates and relative risks for dichotomous outcomes using Review Manager 5.3, with corresponding 95% confidence intervals.

A total of 3256 stereotactic brain biopsies (2050 frame based an cost comparing analysis is required to identify if either modality should be preferred.
This study involves analysis of the relationship between variables obtained using diffusion tensor imaging (DTI) and motor outcome in gliomas adjacent to the corticospinal tract (CST).

Histologically confirmed glioma patients who were to undergo surgery between January 2018 and December 2019 were prospectively enrolled. All patients had a preoperative magnetic resonance imaging (MRI) study that included DTI, a tumor 2 cm or less from the CST, and postsurgical control within 48 h. Patients with MRI that was performed at other center, tumors with primary and premotor cortex invasion, postsurgical complications directly affecting motor outcome and tumor progression <6 months were excluded in the study. In pre- and post-surgical MRI, we measured the following DTI-derived metrics fractional anisotropy (FA), mean diffusivity, axial diffusivity, and radial diffusivity of the entire CST and peritumoral CST regions and in the contralateral hemisphere. The motor outcome was assessed at 1, 3, and 6 months using the Medical Research Council scale.
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