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Multifocal meningioangiomatosis in a 3-year-old patient

Case report

Osama Jamil, Shakti Ramkissoon, Rebecca Folkerth, and Edward Smith

Meningioangiomatosis consists of benign hamartomatous lesions of the brain and the leptomeninges, which typically present with seizure. Management is predicated on resection and control of seizures with medication. Lesions are typically solitary. Multifocal meningioangiomatosis is extremely rare, with only 2 cases reported in adults and none in children. The authors report the first case, to their knowledge, of multifocal meningioangiomatosis in a child. This unique case highlights therapeutic challenges associated with these lesions and demonstrates that multifocality is possible in the pediatric population. This finding has implications for diagnosis and follow-up for children afflicted with these tumors.

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Surgical treatment for primary spinal aneurysmal bone cysts: experience from Children's Hospital Boston

Clinical article

Georgios Zenonos, Osama Jamil, Lance S. Governale, Sarah Jernigan, Daniel Hedequist, and Mark R. Proctor

Object

Spinal aneurysmal bone cysts (ABCs) constitute a rare and clinically challenging disease, primarily affecting the pediatric population. Information regarding the management of spinal ABCs remains sparse. In this study the authors review their experience with spinal ABCs at Children's Hospital Boston.

Methods

The medical records of all patients treated surgically for primary spinal ABCs between January 1998 and July 2010 were retrospectively reviewed.

Results

Fourteen cases were identified (6 males and 8 females, ages 5–19 years old). The ABCs were located throughout the spine, with an equal number in the thoracic and lumbar spine, and rarely in the cervical spine. The majority of patients presented with back pain, but neurological deficits and spinal deformity were common. A variety of radiographic techniques were used to establish the diagnosis, including needle biopsy. Preoperative selective arterial embolization was performed in 7 cases (50%), and the majority of cases required spinal instrumentation along with resection. Mean follow-up was 55.9 months (range 15–154 months) after initial intervention. Two ABCs recurred (14%), at 9 months and 8 years after incomplete initial resection, and the patients underwent reoperation. Complete resection was ultimately achieved in all cases. All patients were asymptomatic and neurologically intact at their last follow-up evaluation, and showed no evidence of deformity or recurrence on imaging.

Conclusions

Computed tomography and MR imaging are adequate for an initial evaluation of spinal ABCs, although solid variants can present a diagnostic challenge. Given the high rates of recurrence with residual disease, complete obliteration of the lesion should be the goal of treatment. Preoperative embolization is often performed, although in the authors' opinion the degree of bleeding tends not to support its routine use. Long-term follow-up is warranted as recurrences can occur years after initial intervention. However, gross-total excision in conjunction with spinal stabilization, as needed, usually provides cure of the ABC and excellent long-term spinal alignment.

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Neurointerventional procedures for unruptured intracranial aneurysms under procedural sedation and local anesthesia: a large-volume, single-center experience

Clinical article

Christopher S. Ogilvy, Xinyu Yang, Osama A. Jamil, Erik F. Hauck, L. Nelson Hopkins, Adnan H. Siddiqui, and Elad I. Levy

Object

In this paper, the authors' goal was to report the outcome of patients with unruptured intracranial aneurysms undergoing endovascular treatment under conscious sedation (local anesthesia).

Methods

Between November 5, 2001, and February 5, 2009, the authors treated 340 patients with 358 unruptured aneurysms by using neurointerventional procedures at Millard Fillmore Gates Hospital (Buffalo, New York). The data were retrospectively reviewed for periprocedural safety and long-term follow-up.

Results

A total of 496 procedures were performed under local anesthesia. Of those, 370 procedures (74.6%) were completed successfully. In 82 procedures (16.5%), an associated medical or technical event occurred. Forty-four procedures (8.9%) were aborted. Rates of overall procedure-related morbidity and mortality were 1.2% (6 of 496) and 0.6% (3 of 496), respectively. The average hospital stay was 1.5 ± 2.5 days. Long-term follow-up was available in 261 (82.1%) of 318 patients whose procedures were performed with local anesthesia. Of those, 246 patients (94.3%) had a good outcome (modified Rankin Scale score ≤ 2), 6 patients (2.3%) had an unfavorable outcome, not related to the procedure, and 9 patients (3.4%) had a poor outcome (modified Rankin Scale score > 2) as a result of the intervention.

Conclusions

Interventional treatment under conscious sedation (local anesthesia) can be effectively performed in most patients with unruptured intracranial aneurysms and is associated with a short hospital stay and low morbidity and mortality.