Publications by authors named "Ahmed Aloraidi"

Article Synopsis
  • * A case study is presented about a 51-year-old woman with a Grade 2 meningioma that ultimately transformed into a Grade 1 meningioma after surgical intervention and follow-up.
  • * The transformation from Grade 2 to Grade 1 meningioma is rarely documented and not well-understood, leading to insights on its natural progression and the importance of radiological and histopathological assessments in treatment planning.
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Article Synopsis
  • Schwannomas are slow-growing tumors from the nerve sheath that can be confused with other lesions in the sellar region due to similar symptoms and imaging.
  • A case study of a 23-year-old woman with hypothyroidism showed symptoms like weight gain and visual issues, and MRI revealed a lobulated tumor pressing on the optic nerve.
  • After craniotomy and successful tumor removal, histopathological analysis confirmed it as a schwannoma, and the patient experienced improved vision and stable recovery with ongoing follow-ups.
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Craniopharyngioma (CP) is a rare intracranial tumor arising from the epithelial remnants of Rathke's pouch, most frequently originating in the sellar/parasellar region. Histologically, CP is a benign low-grade tumor (WHO grade 1) with two distinct phenotypes: adamantinomatous CP (ACP) and papillary CP (PCP). Craniopharyngioma constitutes 1-3% of all primary intracranial tumors in adults and 5-10 % of intracranial tumors in children.

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Spinal dural arteriovenous fistulas account for the majority of spinal vascular malformations. They are typically located in the thoracolumbar region and are diagnosed in the middle-aged and elderly populations. Although spinal dural arteriovenous fistulas have been postulated to be acquired, their exact development remains uncertain.

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Introduction: Fungal infection of the central nervous system has become more common over the past two decades. It is frequently diagnosed in patients with underlying pathological conditions. We herein report a case of rhino-orbital-cerebral mucormycosis by outlining the clinical presentation, radiological images, histopathological findings, management plan, and its clinical outcome.

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Background: Primary spinal glioblastomas are extremely rare neoplasms and account for only 0.2% of glioblastoma cases. Due to the rare incidence of spinal cord glioblastoma in the literature, its natural history/ outcome remains undetermined.

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Background: Metastatic brain lesions, of thyroid origin, are rare manifestations of differentiated thyroid cancer, with papillary thyroid carcinoma being the most common subtype. Considering the rarity of metastatic follicular thyroid carcinoma to the brain, the present article outlines its clinical presentation, neuroradiological findings, pathological features, and outcome.

Case Description: A 52-year-old female presented with a 6-month history of progressive and holocephalic headache.

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Background: Hypothalamic lipomas are benign developmental lesions that tend to be discovered incidentally. This article describes the radiological features, outcome, and the postulated theories behind hypothalamic lipomas development.

Methods: The electronic archive of neurosurgery was retrospectively reviewed.

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Superficial temporal artery pseudoaneurysms are uncommon but can be potentially life-threatening. Considering their rarity, the present article outlines the clinical presentation, radiological findings, intervention, and outcome of traumatic pseudoaneurysm of the superficial temporal artery. An 83-year-old female sustained a traumatic injury to the temple, resulting in right-sided swelling of the forehead.

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Oculomotor nerve palsy, due to pituitary apoplexy, has been previously reported in the literature. However, the association with coronary artery bypass graft surgery (CABG) is rarely investigated. This article reports a case of pituitary apoplexy presenting with oculomotor nerve palsy following CABG.

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Background: The optimal timing for performing cranioplasty and its effect on functional outcome remains debatable. Multiple confounding factors may come into role; including the material used, surgical technique, cognitive assessment tools, and the overall complications. The aim of this study is to assess the neurological outcome and postoperative complications in patients who underwent early versus late cranioplasty.

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Background: The surgical approaches of colloid cysts commonly include endoscopy or open microsurgery. Each approach carries its own challenges, feasibility, and complications. The aim of the current study is to compare endoscopic versus open microsurgical excision of third ventricular colloid cysts.

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Objectives: To describe the patterns of cervical spine injuries in an adult population in a major trauma center in Riyadh, Saudi Arabia. Methods: A retrospective cohort study including all adults with cervical spine injuries from 2014 to 2018 was conducted. All patient data with radiological evidence of injury involving the cervical spine were collected.

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Cranioplasty is a common neurosurgical procedure performed to reconstruct cranial defects. The materials used to replace bone defects have evolved throughout history. Cranioplasty materials can be broadly divided into biological and synthetic materials.

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Background: Treatment of glioblastoma (GB), the most common malignant primary brain tumor in adults, can include alkylating chemo-therapeutic agents. Two molecular biomarkers of treatment response are MGMT (O-methylguanine-DNA methyltransferase) promoter methylation and IDH (isocitrate dehydrogenase) mutations, which prevent repair of tumor cell DNA damage caused by alkylating chemotherapy. The status of MGMT promoter methylation and IDH mutation are associated with longer survival and a better response to chemotherapy.

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Background: Decompressive craniectomy (DC) is a surgical procedure performed to manage intracranial hypertension. Once performed, patients are obligated to undergo another surgical procedure known as cranioplasty to reconstruct the cranial defect. Cranioplasty still has one of the highest rates of infection.

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Background: Although meningiomas are considered benign, encapsulated brain tumors, their distinct intracranial location can lead to devastating complications. Although a highly vascularized tumor, a rarely reported complication of meningioma is hemorrhage. To the best of our knowledge, only 19 cases of meningioma presenting with a subdural hematoma have been reported.

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Background: The traumatic complication of an arachnoid cyst (AC) with intracystic and subdural hematoma has been reported in many cases. However, a unilateral extradural hematoma (EDH) as a complication of AC is extremely rare. Most arachnoid cysts are unilateral and are located in the middle cranial fossa.

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Apixaban is a factor Xa inhibitor which is a non-vitamin K dependent oral anticoagulant known tocause the lowest rate of intracranial bleeding among the same kind of inibitors. In this paper, we report a rare case in a 60-year-old man with a history of hypertension and oligodendroglioma on apixaban for deep venous thrombosis who presented to our hospital with decreased level of consciousness and slurred speech with rapid deterioration. We highlight the risk of subdural bleeding requiring immediate neurosurgical intervention due to apixaban, with literature review.

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Canalis Basalis Medianus is a rare congenital normal anatomically variant of the clivus .We report a very rare case of cerebrospinal fluid leak from a canalis basilaris medianus in a 22-year-old male, who presented to our hospital with frontal headache and running nose two weeks after an elective septoplasty.

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Craniopagus-type conjoined twins (joined at the head) are exceedingly rare. Separation of craniopagus conjoined twins is a challenging task mainly owing to complex vascular anatomy and limited experience with this disorder. Modern neuroimaging techniques including digital subtraction angiography can be used to preoperatively assess the cerebral vascular system.

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