Displaying publications 61 - 80 of 175 in total

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  1. Abdullah SN, Abdullah B
    Cureus, 2020 May 15;12(5):e8132.
    PMID: 32550052 DOI: 10.7759/cureus.8132
    During endoscopic sinus and skull base surgeries, surgical landmarks are routinely used to guide surgeons navigating in the narrow corridor of the sinonasal region. Risk of complications is higher in difficult cases when there is excessive bleeding or alteration of the normal anatomical landmarks by tumour. An additional landmark is advantageous to prevent complications and serves as a guide. We present a case of supreme turbinate found incidentally during an endoscopic transsphenoidal surgery. Not much is known about the role of supreme turbinate. When it is present, the sphenoid ostium is located medial to its posteroinferior attachment, and behind its vertical part. Hence, the identification of this structure serves as an additional landmark besides superior turbinate during surgery.
    Matched MeSH terms: Skull Base
  2. Loh PS, Ng KWS
    J Anaesthesiol Clin Pharmacol, 2017 Apr-Jun;33(2):254-255.
    PMID: 28781455 DOI: 10.4103/0970-9185.209738
    Airway management for patients with recent oral facial injuries is always a challenge for the anesthetist. We describe how the glidescope (GLS) and fiber-optic (FOB) can be effectively combined in three patients undergoing oral maxillofacial surgeries after sustaining multiple facial fractures from trauma to allow less traumatic intubation, an option to visualize on either monitor and faster intubating time (mean 1 min 14 s for our cases) compared to the use of either one alone. Although it allows for better visualization of the vocal cords, it requires 2 trained anaesthetists to perform and this would need to be considered when using this technique.
    Matched MeSH terms: Skull Fractures
  3. Hariri F, Malek RA, Abdullah NA, Hassan SF
    Int J Oral Maxillofac Surg, 2024 Apr;53(4):293-300.
    PMID: 37739816 DOI: 10.1016/j.ijom.2023.08.009
    Midface hypoplasia in syndromic craniosynostosis (SC) may lead to serious respiratory issues. The aim of this study was to analyse the morphometric correlation between midface and cranial base parameters in paediatric SC patients in order to formulate predictive regression models. The computed tomography scans of 18 SC patients and 20 control were imported into Materialise Mimics Medical version 21.0 software for the measurement of multiple craniofacial landmarks and correlation analysis. The results showed a strong correlation of anterior cranial base (SN), posterior cranial base (SBa), and total cranial base (NBa) (r = 0.935) to maxilla length and width (ZMR-ZML) (r = 0.864). The model of NBa = - 1.554 + 1.021(SN) + 0.753(SBa) with R2 = 0.875 is proposed to demonstrate the development of the cranial base that causes a certain degree of midface hypoplasia in SC patients. The formula is supported using a prediction model of ZMR-ZML = 5.762 + 0.920(NBa), with R2 = 0.746. The mean absolute difference and standard deviation between the predicted and true NBa and ZMR-ZML were 2.08 ± 1.50 mm and 3.11 ± 2.32 mm, respectively. The skeletal growth estimation models provide valuable foundation for further analysis and potential clinical application.
    Matched MeSH terms: Skull Base
  4. Abdullah JY, Saidin M, Rajion ZA, Hadi H, Mohamad N, Moraes C, et al.
    Malays J Med Sci, 2021 Feb;28(1):1-8.
    PMID: 33679214 DOI: 10.21315/mjms2021.28.1.1
    Perak Man, named after the state where the skeleton was found, was the most complete skeleton found in Southeast Asia. The funerary artefacts indicate that Perak Man was highly respected, as he was buried at the centre of the highest cave in Lenggong, and he was the only person buried there. A copy of the original skull was made using computed tomography (CT) and 3D printing. Based on the internal structure of the reconstructed skull, the estimated intracranial volume (ICV) is 1,204.91 mL. The hypothetical face of Perak Man was reconstructed according to established forensic methods. Based on his presumed status, Perak Man was likely a respected person in the group and, perhaps, a shaman and the most knowledgeable person in the group regarding survival, hunting, gathering and other aspects of Palaeolithic daily life.
    Matched MeSH terms: Skull
  5. Narayanan V, Narayanan P, Rajagopalan R, Karuppiah R, Rahman ZA, Wormald PJ, et al.
    Eur Arch Otorhinolaryngol, 2015 Mar;272(3):753-7.
    PMID: 25294050 DOI: 10.1007/s00405-014-3300-3
    Endoscopic base of skull surgery has been growing in acceptance in the recent past due to improvements in visualisation and micro instrumentation as well as the surgical maturing of early endoscopic skull base practitioners. Unfortunately, these demanding procedures have a steep learning curve. A physical simulation that is able to reproduce the complex anatomy of the anterior skull base provides very useful means of learning the necessary skills in a safe and effective environment. This paper aims to assess the ease of learning endoscopic skull base exposure and drilling techniques using an anatomically accurate physical model with a pre-existing pathology (i.e., basilar invagination) created from actual patient data. Five models of a patient with platy-basia and basilar invagination were created from the original MRI and CT imaging data of a patient. The models were used as part of a training workshop for ENT surgeons with varying degrees of experience in endoscopic base of skull surgery, from trainees to experienced consultants. The surgeons were given a list of key steps to achieve in exposing and drilling the skull base using the simulation model. They were then asked to list the level of difficulty of learning these steps using the model. The participants found the models suitable for learning registration, navigation and skull base drilling techniques. All participants also found the deep structures to be accurately represented spatially as confirmed by the navigation system. These models allow structured simulation to be conducted in a workshop environment where surgeons and trainees can practice to perform complex procedures in a controlled fashion under the supervision of experts.
    Matched MeSH terms: Skull Base/anatomy & histology*; Skull Base/surgery*
  6. Sivalingam S, Konishi M, Shin SH, Lope Ahmed RA, Piazza P, Sanna M
    Audiol. Neurootol., 2012;17(4):243-55.
    PMID: 22584244 DOI: 10.1159/000338418
    Tympanojugular paragangliomas (TJPs) with intradural extension can be successfully treated by a single or staged procedure with low surgical morbidity.
    Matched MeSH terms: Skull Base Neoplasms/classification; Skull Base Neoplasms/surgery*
  7. Goh BS, Tan SP, Husain S, Rose IM, Saim L
    J Laryngol Otol, 2009 Oct;123(10):1184-7.
    PMID: 19192318 DOI: 10.1017/S0022215109004642
    We report an extremely rare case of metachronous inflammatory myofibroblastic tumour in the temporal bone.
    Matched MeSH terms: Skull Neoplasms/pathology; Skull Neoplasms/surgery*
  8. Banabilh SM, Suzina AH, Dinsuhaimi S, Singh GD
    Aust Orthod J, 2007 Nov;23(2):89-95.
    PMID: 18200785
    Obstructive sleep apnoea (OSA) has been described as a public health problem comparable to smoking in its impacts upon society.
    Matched MeSH terms: Skull Base/pathology*; Skull Base/radiography
  9. Sharma HS, Reddy SC, Mohamad A, Kamal MZ, Halder D
    J Laryngol Otol, 1996 Jul;110(7):676-8.
    PMID: 8759546
    Osteosarcoma is the most common primary malignant tumour of bone and it usually metastasises to the lung. In the nasal cavity metastatic disease is extremely rare. We describe a case of osteosarcoma presenting with recurrent epistaxis, and proptosis due to secondaries in the nasal cavity. To our knowledge such a case has not been reported previously in the available English literature.
    Matched MeSH terms: Skull Neoplasms/complications; Skull Neoplasms/secondary*
  10. Endo H, Kimura J, Oshida T, Stafford BJ, Rerkamnuaychoke W, Nishida T, et al.
    J Vet Med Sci, 2003 Nov;65(11):1179-83.
    PMID: 14665745
    Skulls of the red-cheeked squirrel (Dremomys rufigenis) from various geographical locations: Malaysia (peninsular area), Vietnam (south district)-Laos, and Thailand (north district) were osteometrically examined. The skull size of the squirrels in the southern (Malaysia) population was fundamentally larger than that in the northern (Vietnam, Laos and Thailand) populations. The proportion indices indicated that the splanchnocranium was relatively longer in the Malaysia population, and that the interorbital space was narrower in Vietnam-Laos, and Thailand populations. We suggest that the long nose and laterally-oriented orbits in the skull may be better adapted for terrestrial-insectivorous life in the Malaysia population and the binocular sense facilitated by rostrally-oriented eyes contributes to the arboreal-fruit eating behavior in the two northern populations. The Malaysia population was clearly distinguished from the other populations by the principal component analysis. We suggest that the geographical barrier of the Isthmus of Kra influences the morphological variation of the skull among the squirrel populations.
    Matched MeSH terms: Skull/anatomy & histology*; Skull/physiology
  11. Lim AC, Chong VC, Chew WX, Muniandy SV, Wong CS, Ong ZC
    J Acoust Soc Am, 2015 Jul;138(1):404-12.
    PMID: 26233039 DOI: 10.1121/1.4923153
    Acoustic signals of the tiger-tail seahorse (Hippocampus comes) during feeding were studied using wavelet transform analysis. The seahorse "click" appears to be a compounded sound, comprising three acoustic components that likely come from two sound producing mechanisms. The click sound begins with a low-frequency precursor signal, followed by a sudden high-frequency spike that decays quickly, and a final, low-frequency sinusoidal component. The first two components can, respectively, be traced to the sliding movement and forceful knock between the supraorbital bone and coronet bone of the cranium, while the third one (purr) although appearing to be initiated here is produced elsewhere. The seahorse also produces a growling sound when under duress. Growling is accompanied by the highest recorded vibration at the cheek indicating another sound producing mechanism here. The purr has the same low frequency as the growl; both are likely produced by the same structural mechanism. However, growl and purr are triggered and produced under different conditions, suggesting that such "vocalization" may have significance in communication between seahorses.
    Matched MeSH terms: Skull/physiology; Skull/radiography
  12. Wong DKC, Muhamad NS, Sobri SS, Amin WAM, Yusof Z
    Med J Malaysia, 2019 04;74(2):85-86.
    PMID: 31079134
    Metastasising pleomorphic adenoma is rare and may occur years after surgical excision of a pleomorphic adenoma (PA). We present a 61-year-old woman with a right infratemporal PA with metastases to the cervical lymph nodes after 30 years following a total parotidectomy. She was treated successfully with a resection of the tumour with combined neck and mandibulotomy approach along with postoperative radiotherapy given subsequently.
    Matched MeSH terms: Skull Base Neoplasms/diagnosis*; Skull Base Neoplasms/etiology; Skull Base Neoplasms/pathology; Skull Base Neoplasms/therapy
  13. Idris Z, Johnson JR, Abdullah JM
    J. Neurosurg., 2015 Mar;122(3):504-10.
    PMID: 25343181 DOI: 10.3171/2014.9.JNS132683
    The splenial-habenular junctional area is an alternative site for neuroendoscopic fenestration to divert CSF flow into the quadrigeminal cistern in cases in which endoscopic third ventriculostomy is not amenable. In some patients with obstructive hydrocephalus, the splenium of the corpus callosum can be elevated from the habenular complex. This exposes the membranous connection between the splenium and habenula, which can be fenestrated to divert the CSF flow into the quadrigeminal cistern. This technique can be performed in patients in whom the foramen of Monro or the third ventricle is blocked by a lesion. Here, the authors present 3 complex cases that were managed by neuronavigation-guided transventricular transcavum endoscopic fenestration of the splenial-habenular junctional area. These cases may increase the knowledge and understanding of the anatomy of this region.
    Matched MeSH terms: Skull/anatomy & histology; Skull/surgery*
  14. Lope Ahmad RA, Sivalingam S, Konishi M, De Donato G, Sanna M
    Head Neck, 2013 Apr;35(4):527-34.
    PMID: 22544660 DOI: 10.1002/hed.22987
    The purpose of this study was to identify the factors that may influence the management outcome in patients with jugular paragangliomas.
    Matched MeSH terms: Skull Base Neoplasms/pathology; Skull Base Neoplasms/surgery*
  15. Abosadegh MM, Rahman SA, Saddki N
    Dent Traumatol, 2017 Oct;33(5):369-374.
    PMID: 28504848 DOI: 10.1111/edt.12349
    BACKGROUND/AIMS: The association of traumatic head injury (THI) with maxillofacial fractures (MFF) is a major health concern worldwide. In spite of the close anatomical proximity of maxillofacial bones to the cranium, the association of THI with MFF is controversial. The aim of this study was to assess the association between THI and MFF. Other factors associated with THI in patients with MFF were also investigated.

    MATERIALS AND METHODS: A hospital-based retrospective study was conducted at the OMFS Unit, Hospital USM, Kelantan, Malaysia. From 12 June 2013 to 31 December 2015, 473 patient records with MFF were reviewed to evaluate the association of THI and MFF.

    RESULTS: A total of 331 patients (69.98%) presented with concomitant THI. The most common associated THI were cranial bone fractures (68.6%) followed by intracranial injuries and concussion. A significant association existed between the Glasgow coma scale (GCS) score and the presence of THI concomitant MFF with P-value

    Matched MeSH terms: Skull Fractures/etiology; Skull Fractures/epidemiology*
  16. Royan SJ, Hamid AL, Kovilpillai FJ, Junid NZ, Mustafa WM
    Gerodontology, 2008 Jun;25(2):124-8.
    PMID: 18485141 DOI: 10.1111/j.1741-2358.2007.00189.x
    This paper describes the incidence, aetiology, treatment and complications of facial fractures seen among the elderly in a developing country.
    Matched MeSH terms: Skull Fractures/etiology; Skull Fractures/epidemiology*; Skull Fractures/therapy
  17. Shahrjerdi B, Angoyaroko A, Abdullah B
    Acta Inform Med, 2012 Dec;20(4):261-3.
    PMID: 23378696 DOI: 10.5455/aim.2012.20.261-263
    Sinonasal tumors may grow to considerable size before presentation and in view of their relation to the base of skull, orbit, cranial nerves and vital vessels; a precise diagnostic and therapeutic planning is needed to achieve the optimal results. We report a case who presented with unilateral nasal blockage, rhinorrhea and episodes of epistaxis which diagnosed as sinonasal inverted papilloma and angiofibroma.
    Matched MeSH terms: Skull Base
  18. Ali F, Halim AS, Najihah SZ, Ibrahim M, Abdullah J
    J Craniomaxillofac Surg, 2005 Oct;33(5):326-30.
    PMID: 16125400
    A vascularized outer-table calvarial bone graft was used for repairing a Posnick type 2 traumatic orbito-frontal bone defect supported by the use of a calcium-based putty (Allomatrix) in a 7-year-old girl. Gaps between the donor and recipient sites were filled with Allomatrix containing demineralized bone matrix particles. Four years later there was a good cosmetic result using an artificial left eye.
    Matched MeSH terms: Skull Fractures/surgery*; Skull Base/injuries
  19. Alias A, Krishnapillai R, Teng HW, Abd Latif AZ, Adnan JS
    Asian J Surg, 2005 Jul;28(3):168-70.
    PMID: 16024308
    OBJECTIVE: Head injury caused by fan blades is rare among children. We analysed 14 cases of such injury and discuss the causes, type of injury and preventive measures.

    METHODS: A retrospective analysis of 14 cases of children who were admitted to the Pediatric Neurosurgical Unit of Hospital Kuala Lumpur after sustaining head injuries caused by fan blades between January 2000 and December 2002 was performed.

    RESULTS: The causes of fan-blade head injury included jumping on the upper bunk of a bunk-bed, climbing on a ladder, climbing up onto a table, and being lifted by an adult. Thirteen patients were injured by ceiling fans and one by falling onto an uncovered table fan. School-aged boys were the predominant victims. Mean patient age was 7.9 years (range, 1.0-12.2 years). There was a twin peak incidence of when the accidents occurred: just before lunch in the afternoon and bedtime at night. The types of injury were scalp lacerations, compound depressed fractures and multiple intracranial haemorrhages. Two patients had the complication of wound infection, and one of these patients developed cerebral spinal fluid leak. One patient died from severe head injuries.

    CONCLUSION: Safety awareness among parents and caretakers are important as fan-blade head injury among children is preventable.

    Matched MeSH terms: Skull Fractures/etiology; Skull Fractures/epidemiology; Skull Fractures/therapy
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