Cysts associated with arteriovenous malformations (AVMs) are either secondary to hemorrhage or after radiosurgery. Untreated and unruptured AVMs with large cysts are rare. We here describe a child with medial parietal AVM associated with cyst, without any history of hemorrhage or radiosurgery. Surgical excision led to cure for the patient.
Table 1 Optimal results for low and high levels of deterioration rate and unit cost of the retailer Policy Optimal decisions Low deterioration rate High deterioration rate Low unit cost High unit cost I T 1
OBJECTIVE The clinical significance of the Simpson system for grading the extent of meningioma resection and its role as a predictor of the recurrence of World Health Organization (WHO) Grade I meningiomas have been questioned in the past, echoing changes in meningioma surgery over the years. The authors reviewed their experience in resecting WHO Grade I… (More)
INTRODUCTION The present study investigates outcomes in patients undergoing elective primary versus revision fusion surgery for lumbar degenerative pathologies with the use of a large population based database. METHODS A total of 126,044 patients registered in the National Inpatient Sample (NIS) database were identified to have undergone elective fusion… (More)
OBJECTIVE Primary glioblastoma multiforme of the spinal cord is a rare entity. The aim of this study was to perform an integrative analysis of patients whose cases were selected from the published studies, and to examine the influence of various factors on overall outcomes. METHODS A PubMed search was performed for literature published from 1938 to 2015… (More)
OBJECTIVE In this study, we validate the utility of navigation in intracranial meningioma excision and evaluate the effectiveness of image guidance surgery based on clinical outcome, extent of resection, and recurrence-free survival (RFS). METHODS Information related to clinical history, use of neuronavigation, neuroimaging, microsurgical dissection, and… (More)
Retail price and promotional effort are two important parameters on which demand of a commodity largely depends. This paper develops and analyzes a two-echelon supply chain where market demand depends on both retail price and sales effort. The centralized model is studied as the benchmark case, and the wholesale price-only contract is studied as the base… (More)
Extraneural metastasis (ENM) in patients with medulloblastoma is a rare but a well-described phenomenon, both in children and adults. Most of the ENM involve bone and bone marrow and rarely involve other solid organs. Subcutaneous and muscular metastasis is an extremely rare event, more so in children, with only two cases documented in the pediatric… (More)