Mohammad Sami Walid

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OBJECTIVE To study the role of drains in lumbar spine fusions. METHODS The charts of 402 patients who underwent lumbar decompression and fusion (LDF) were retrospectively reviewed. Patients were classified per International Classification of Diseases, 9th Edition (ICD-9) procedure code as 81.07 (lateral fusion, 74.9%) and 81.08 (posterior fusion, 25.1%).(More)
INTRODUCTION Ollier Disease is a sporadic skeletal disorder with a predisposition to oncogenesis. It is estimated at around 1/100,000. We are presenting a young patient with Ollier Disease and high-grade astrocytoma. CASE REPORT A 14-year-old, Caucasian male with Ollier Disease presented with a history of headaches, vomiting, blurred vision, and unsteady(More)
OBJECTIVE In this paper we present our observation of a specific sign on transvaginal ultrasound that may help basic minimal invasive surgeons diagnose vesico-uterine adhesions preoperatively. METHODS The ultrasound images of the latest eleven patients who were preoperatively diagnosed with vesico-uterine adhesions using transvaginal ultrasound were(More)
Complex shifts in demography combined with drastic advancements in spinal surgery have led to a steep increase in often expensive spinal interventions in older and obese patients. A cost analysis, based on hospital charges, was performed retrospectively on the spinal surgery of 787 randomly selected patients who were operated at The Medical Center of(More)
Expenditure related to neurosurgery has increased unevenly since the early 1990s. In this study we explored the literature by which clinical evidence is obtained to better direct neurosurgical practice. We searched different types of neurosurgery literature and four major neurosurgical procedures (excision of brain lesion, cerebral aneurysm(More)
BACKGROUND In this paper, we used search engine technology to study outcome analysis and cost awareness of child hydrocephalus in the literature. METHODS The aggregate hospital charges of hydrocephalus treatment procedures for patients <18 years old was extracted from the Nationwide Inpatient Sample (NIS) data. Hydrocephalus literature was probed through(More)
Chronic back pain is commonly associated with physical and mental comorbidities, which create a considerable burden on the healthcare system. We examined the differences in comorbidity rates of 619 spinal surgery patients of employment age, and the impact of comorbidity rates on length of hospital stay and cost. The charts of patients aged >25 years and <65(More)
Letter to the Editor: B-cell lymphomas are the most common type (85%) of non-Hodg-kin lymphomas [1]. Diffuse large B-cell lymphoma accounts for a third of these tumors and occurs mostly in older people [1]. Non-Hodgkin's lymphomas arising in the spinal cord are extremely rare. Spinal cord compression as the initial manifestation of non-Hodgkin's lymphoma is(More)