Ashwag Alqurashi

ORCID: 0000-0003-2570-3207
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About
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Research Areas
  • Head and Neck Surgical Oncology
  • Meningioma and schwannoma management
  • Pituitary Gland Disorders and Treatments
  • Bone Tumor Diagnosis and Treatments
  • Cerebrospinal fluid and hydrocephalus
  • Neurofibromatosis and Schwannoma Cases
  • Sinusitis and nasal conditions
  • Glioma Diagnosis and Treatment
  • Oral and Maxillofacial Pathology
  • COVID-19 and healthcare impacts
  • Vascular Malformations Diagnosis and Treatment
  • Teratomas and Epidermoid Cysts
  • Craniofacial Disorders and Treatments
  • Intraocular Surgery and Lenses
  • Soft tissue tumors and treatment
  • Neuroblastoma Research and Treatments
  • Trigeminal Neuralgia and Treatments
  • Retinal and Macular Surgery
  • Vascular Tumors and Angiosarcomas
  • Parathyroid Disorders and Treatments
  • Growth Hormone and Insulin-like Growth Factors
  • Intraoperative Neuromonitoring and Anesthetic Effects
  • Reconstructive Surgery and Microvascular Techniques
  • Airway Management and Intubation Techniques
  • Hydrogen Storage and Materials

King Saud University
2020-2025

King Saud Medical City
2021-2025

King Khalid University Hospital
2025

King Abdulaziz University
2019-2022

Introduction: An aneurysmal Bone Cyst (ABC) is a vascular tumor believed to be attributable occlusion and congestion causing intraosseous circulatory disturbance that prompts bony expansion dysplasia. ABCs most commonly occur in the metaphysis of long bones. Craniofacial account for <1%, orbital involvement implicated 0.25%, very scarce data exists on ethmoidal, sphenoid, or frontal sinus skull base infiltration.

10.1055/s-0044-1780327 article EN Journal of Neurological Surgery Part B Skull Base 2024-02-01

Unusual clinical course Background:Craniopharyngioma is a rare, partly cystic embryonic malformation of the sellar and parasellar region usually benign.This report 55-year-old woman presenting with second diagnosis craniopharyngioma following successful treatment as 5-year-old child. Case report:Our patient was diagnosed at age 5 when she presented headaches accompanied by nausea vomiting, decreased visual acuity, polyurea, polydipsia for 6 months.She found to have diplopia grade II...

10.12659/ajcr.943300 article EN cc-by-nc-nd American Journal of Case Reports 2024-04-24

Introduction: High-grade gliomas are central nervous system tumors conventionally treated with surgery followed by adjuvant chemoradiotherapy. Secondary cancer due to radiation therapy is a rare yet established phenomenon that typically occurs years after therapy. Case Presentation: In this case, we discuss an early presentation of second adjacent the field. This case report 52-year-old male who developed new scalp sarcoma at site primary 8 months Genetic testing revealed heterozygous...

10.1159/000538508 article EN cc-by-nc Case Reports in Oncology 2024-04-25

<h3>Objectives:</h3> To study each atypical feature in meningioma versus other grade 2 meningiomas and its possible relation to recurrence. <h3>Methods:</h3> This is a retrospective of patients with WHO operated our institution between 01/2008 12/2020. The rate recurrence, reoperation readmission were recorded during the follow-up period. A statistical analysis was done determine significance pathological regard <h3>Results:</h3> total 74 included as 60 (81%) having an AM 14 (19%) chordoid...

10.17712/nsj.2024.2.20230091 article EN Neurosciences 2024-04-01

Abstract Objective Transnasal skull base surgery is a complex and invasive procedure that involves the use of preoperative antiseptic preparations. However, evidence supporting their in preventing postoperative infectious complications limited. The aim this study to assess efficacy techniques reducing within 30 days surgery. Methods A multicenter, prospective, randomized, single-blind, three-arm trial was conducted from February 2019 October 2021. Participants were randomized either three...

10.1055/a-2436-8548 article EN Journal of Neurological Surgery Part B Skull Base 2024-10-08

BACKGROUND AND IMPORTANCE: Internal carotid artery (ICA) injury is a devastating complication of endoscopic endonasal surgery. We report case completely resected clival chordoma using surgery despite intraoperative ICA injury. Intraoperative MRI (iMRI) was used to localize the bleeding site, confirm resection degree and patency distal rule out ischemia. CLINICAL PRESENTATION: A 16-year-old girl presented with right-sided facial paresthesia diagnosed large, invasive skull base lytic lesion...

10.1227/neuprac.0000000000000073 article EN cc-by-nc-nd Neurosurgery Open 2024-01-11

Objective: As skull base defects become increasingly complex, necessitating more extensive repairs, alternative strategies are needed to address challenging reconstructions and rescue cases of failed primary reconstruction. In this study, we aimed validate the surgical technique assess feasibility using platysma myocutaneous flap for reconstruction, cadaveric specimens in a preclinical setting. Materials Methods: This descriptive anatomical study was conducted on 2 fresh human cadavers (4...

10.1177/01455613241304283 article EN cc-by-nc Ear Nose & Throat Journal 2024-12-04

The preservation of olfaction during the surgical resection anterior skull base meningiomas presents a significant challenge. This study modified endonasal endoscopic L-shaped approach designed to maximize tumor while preserving olfaction, vital function that profoundly impacts quality life.

10.1016/j.wneu.2024.12.006 article EN cc-by World Neurosurgery 2024-12-29

Endoscopic transnasal approaches (ETAs) to the ventrolateral skull base are commonly classified according coronal planes or anatomical structures. Our goal is simplify description of ETA lateral regions in a sequential dissection with correlation computed tomography, helping preoperative planning and efficient surgical exposure, exposing anatomy limitations. Five freshly injected cadaver heads were dissected using an extended base. Each specimen underwent high-resolution tomography scan. A...

10.1016/j.wneu.2023.02.093 article EN cc-by World Neurosurgery 2023-02-24

Abstract Objectives Midline suprasellar meningiomas include planum sphenoidale, tuberculum sellae, and diaphragma sellae meningiomas. Multiple classifications have been previously documented; however, they come with controversies limitations, including those surgical implications. The aim of this study was to classify based on their behavior toward the underlying bone neurovascular structures. Methods Patients newly diagnosed that underwent extended endoscopic transnasal approach between...

10.1055/a-2070-8496 article EN cc-by-nc-nd Journal of Neurological Surgery Part B Skull Base 2023-04-11

Arteriovenous malformation of the scalp (sAVM) is a rare pathology that accounts for 8% all cranial arteriovenous malformations. It believed to be congenital; however, few reported were secondary trauma. They are managed either via surgical resection, endovascular embolization, or combined approach. Cases with bilateral dual extracranial feeders yet significantly scarce incidents among this pathology. We report case sAVM and review literature. 24-year-old male who presented spontaneous...

10.1016/j.inat.2021.101431 article EN cc-by-nc-nd Interdisciplinary Neurosurgery 2021-11-14

Objective: Endoscopic transnasal approaches (ETA) have been widely described for lesions located in the ventral skull base. ETA to ventrolateral base is commonly classified according coronal plans or anatomical structures. Our goal simplify description of paramedian regions a sequential dissection with correlation computed tomography, helping pre-operative planning, efficient surgical exposure, and exposing anatomy limitations.

10.1055/s-0042-1743678 article EN Journal of Neurological Surgery Part B Skull Base 2022-02-01

Brown tumors are benign, lytic, expansile bony lesions that represent a delayed manifestation of untreated hyperparathyroidism (HPT). Although they can affect any part the skeleton, brown calvaria or skull base extremely rare. Accurate diagnosis is challenging, particularly in patients without other signs and symptoms HPT. We report rare case patient who presented with more than 4 sizable showed aggressive behavior contributed to patient's near-total blindness. To our knowledge, this only...

10.1016/j.inat.2022.101592 article EN cc-by-nc-nd Interdisciplinary Neurosurgery 2022-05-28

Abstract Objectives Preoperative planning of endoscopic skull base surgery (ESBS) is essential. The safety performing before managing sinus pathologies including concurrent chronic rhinosinusitis (CRS) in patients undergoing ESBS has been questioned. current study aimed to evaluate and compare the complication rates between with without CRS ESBS. Design This a retrospective study. Setting Present was conducted at tertiary referral center. Participants We included all who underwent March 2015...

10.1055/s-0042-1755602 article EN Journal of Neurological Surgery Part B Skull Base 2022-08-25

Background: Soft-tissue dissection in pterional craniotomies is done several different techniques, mostly depending on surgeon's training and preference. When the standard craniotomy was first described, interfacial recommended to preserve nerve frontalis function decrease muscle atrophy. Nowadays, myocutaneous flap are popular techniques for dissection. The subfascial technique used by many surgeons who believe that neurovascular structures temporal area preserved avoiding opening of fascia...

10.1055/s-0043-1762415 article EN Journal of Neurological Surgery Part B Skull Base 2023-02-01

Introduction: To report our experience in the use of 3 T intraoperative magnetic resonance imaging (MRI) neurosurgical cranial procedures for tumors,

10.1055/s-0043-1762334 article EN Journal of Neurological Surgery Part B Skull Base 2023-02-01
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