Displaying publications 1 - 20 of 104 in total

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  1. Zainol Abidin Z, Mohd Zaki F, Kew TY, Goh BS, Abdullah A
    J Laryngol Otol, 2020 Jul;134(7):603-609.
    PMID: 32713375 DOI: 10.1017/S0022215120001334
    OBJECTIVE: This study aimed to evaluate the association between cochlear nerve canal dimensions and semicircular canal abnormalities and to determine the distribution of bony labyrinth anomalies in patients with cochlear nerve canal stenosis.

    METHOD: This was a retrospective study in which high-resolution computed tomography images of paediatric patients with severe-to-profound sensorineural hearing loss were reviewed. A cochlear nerve canal diameter of 1.5 mm or less in the axial plane was classified as stenotic. Semicircular canals and other bony labyrinth morphology and abnormality were evaluated.

    RESULTS: Cochlear nerve canal stenosis was detected in 65 out of 265 ears (24 per cent). Of the 65 ears, 17 ears had abnormal semicircular canals (26 per cent). Significant correlation was demonstrated between cochlear nerve canal stenosis and semicircular canal abnormalities (p < 0.01). Incomplete partition type II was the most common accompanying abnormality of cochlear nerve canal stenosis (15 out of 65, 23 per cent).

    CONCLUSION: Cochlear nerve canal stenosis is statistically associated with semicircular canal abnormalities. Whenever a cochlear nerve canal stenosis is present in a patient with sensorineural hearing loss, the semicircular canal should be scrutinised for presence of abnormalities.

  2. Zainal A, Razif MY, Makhashen M, Swaminathan M, Mazita A
    J Laryngol Otol, 2010 May;124(5):569-71.
    PMID: 19825226 DOI: 10.1017/S0022215109991563
    To highlight the first reported case of necrobiotic xanthogranuloma of the parotid gland. We also review the clinical presentations and treatments for this rare condition.
  3. Zahedi FD, Husain S, Wan Hamizan AK, Tuang GJ, Gendeh HS, Oui TJ, et al.
    J Laryngol Otol, 2023 Feb;137(2):174-177.
    PMID: 35469585 DOI: 10.1017/S0022215121004709
    BACKGROUND: Olfactory impairment may be present among patients with coronavirus disease 2019 self-perceived as asymptomatic. This study aimed to assess olfactory function among these individuals.

    METHODS: A cross-sectional study involving patients with coronavirus disease 2019 self-perceived as asymptomatic was conducted. Assessments included the subjective Malaysian Smell and Taste Questionnaire and the culturally adapted Malaysian version of the objective Sniffin' Sticks Identification smell test.

    RESULTS: In 81 participants (mean age of 31.59 ± 12.04 years), with mean time from diagnosis to smell test of 7.47 ± 3.79 days, subjective assessment showed that 80.2 per cent were asymptomatic (questionnaire score of 6) and 19 per cent had mild symptoms (questionnaire score of 7 and 8). The mean objective smell test score was 10.89 ± 2.11. The prevalence of olfactory impairment was 76.6 per cent among patients with coronavirus disease 2019 self-perceived as asymptomatic. There was no association between the questionnaire and the smell test scores (p = 0.25). There was a correlation between the smell test score and the duration from diagnosis to smell test (p = 0.04).

    CONCLUSION: The objective assessment demonstrated that coronavirus disease 2019 patients who perceived themselves as asymptomatic showed olfactory impairment.

  4. Wong MSL, Prepageran N
    J Laryngol Otol, 2021 Aug;135(8):691-694.
    PMID: 34342558 DOI: 10.1017/S0022215121001560
    OBJECTIVE: Eustachian tube dysfunction is a known complication following radiotherapy to the head and neck region. Unfortunately, treatment options are limited, with significant associated morbidity. Balloon Eustachian tube dilatation has been used successfully to treat Eustachian tube dysfunction; hence, this study aimed to determine the safety and efficacy of this method in treating Eustachian tube dysfunction in post-radiotherapy patients with nasopharyngeal carcinoma.

    METHOD: This interventional cohort pilot study on patients with Eustachian tube dysfunction compared those with nasopharyngeal carcinoma to patients without. Outcome assessment was based on tympanometry type and Eustachian Tube Dysfunction Questionnaire score.

    RESULTS: A total of 14 ears (12 patients) were tested. Only 14 per cent of the nasopharyngeal carcinoma cohort showed improvement, while 71 per cent of the non-nasopharyngeal carcinoma group were successfully treated. No significant adverse effect was reported in any patient during this study.

    CONCLUSION: Balloon Eustachian tube dilatation was not shown to be beneficial for post-radiotherapy Eustachian tube dysfunction in nasopharyngeal carcinoma patients in the preliminary stages of this pilot study.

  5. Wong HT, Ho CY, Nazarina AR, Prepageran N
    J Laryngol Otol, 2014 Nov;128(11):1022-3.
    PMID: 25274107 DOI: 10.1017/S0022215114002151
    Synovial sarcoma is a high-grade, soft tissue, malignant disease associated with poor outcome. Typically, synovial sarcoma involves the extremities, with less than 10 per cent of cases occurring in the head and neck region. Synovial sarcoma of the paranasal sinuses is a rare entity. This paper presents a case of an elderly patient with synovial sarcoma of the ethmoidal sinus.
  6. Tang IP, Freeman SR, Kontorinis G, Tang MY, Rutherford SA, King AT, et al.
    J Laryngol Otol, 2014 May;128(5):394-9.
    PMID: 24819337 DOI: 10.1017/S0022215114000802
    To systematically summarise the peer-reviewed literature relating to the aetiology, clinical presentation, investigation and treatment of geniculate neuralgia.
  7. Tang IP, Singh S, Krishnan G, Looi LM
    J Laryngol Otol, 2012 Dec;126(12):1284-6.
    PMID: 23084156 DOI: 10.1017/S0022215112002435
    We report a rare case of small cell neuroendocrine carcinoma of the nasal cavity and paranasal sinuses with intracranial extension, and discuss the management of this rare tumour.
  8. Tang IP, Prepageran N, Ong CA, Puraviappan P
    J Laryngol Otol, 2010 Aug;124(8):913-5.
    PMID: 20426886 DOI: 10.1017/S0022215110000265
    To demonstrate the different clinical presentations of tuberculous otitis media and the management of selected cases.
  9. Tang IP, Prepageran N, Raman R, Sharizhal T
    J Laryngol Otol, 2009 Dec;123(12):1321-4.
    PMID: 19835642 DOI: 10.1017/S0022215109990806
    To determine whether epithelial migration in the atelectatic tympanic membrane (secondary to any pathology) occurs in a similar fashion to that in the normal (non-pathological) tympanic membrane, by calculating and comparing the epithelial migration rate and pattern.
  10. Tan VE, Goh BS
    J Laryngol Otol, 2007 Sep;121(9):872-9.
    PMID: 17112392
    Parotid abscess is an uncommon complication of suppurative infection of the parotid gland parenchyma, commonly bacterial or viral. Ductal ectasis, primary parenchymal involvement, or infection of the intraparotid or periparotid lymph nodes can result in abscess formation. Parotid abscess may arise from ductal ectasis, primary parenchymal involvement, or infection of the subcapsular lymph nodes. The operative records for all the patients who underwent surgeries in the Department of Otorhinolaryngology, Head and Neck Surgery of the National University Hospital, Kuala Lumpur, Malaysia between January 2001 and December 2005 were retrospectively reviewed. Our case series comprises 15 patients, with 10 males and five females with a median age at presentation of 51 years old. Diabetes mellitus is a significant comorbid factor, with six patients being diabetics. Among the diabetics, two patients presented with facial nerve palsy and one of them also died due to overwhelming septicaemia. Here, we discuss the presenting symptoms, predisposing factors, investigations, microbiology and complications of this condition.
  11. Tan VE, Jeevanan J, Lee BR
    J Laryngol Otol, 2008 Aug;122(8):867-70.
    PMID: 17498332 DOI: 10.1017/S0022215107008195
    We report an extremely rare case of nasopharyngeal carcinoma presenting as a lateral neck abscess complicated by endogenous bacterial endophthalmitis. Endogenous bacterial endophthalmitis complicating a neck abscess has not been reported in the recent English literature. We discuss the possible pathophysiology of neck abscess as a presenting feature of nasopharyngeal carcinoma, and the relationship between the parapharyngeal abscess and endogenous bacterial endophthalmitis.
  12. Tan SH, Prepageran N
    J Laryngol Otol, 2015 Sep;129(9):928-31.
    PMID: 26193981 DOI: 10.1017/S0022215115001838
    This case report presents our experience of endoscopic transnasal management of medial intra- and extraconal lesions.
  13. Tan KL, Chong AW, Amin MA, Raman R
    J Laryngol Otol, 2012 Jul;126(7):751-5.
    PMID: 22578299 DOI: 10.1017/S0022215112000795
    To illustrate a case of an iatrogenic mucosal tear in the trachea which caused a one-way valve effect, obstructing the airway and manifesting as post-extubation stridor.
  14. Tan BY, Hsu PP
    J Laryngol Otol, 2004 Mar;118(3):185-8.
    PMID: 15068513
    Endochondral pseudocyst of the auricle is an uncommon condition that affects predominantly Chinese males, with many reports studying this condition in homogenous Chinese populations. There have been few large-scale reports describing the features of this disease among the other Asian groups. In one of the largest series described to date, we report the epidemiological features, clinico-pathologic characteristics, and success of surgical treatment in 40 patients of different Asian groups presenting with pseudocyst of the auricle. Results showed a Chinese predominance (90 per cent), followed by Malays (five per cent) and Eurasians (five per cent). All had unilateral presentations apart from one patient. Most (55 per cent) presented within two weeks of auricular swelling. Few (10 per cent) had a history of trauma. The pseudocysts predominantly affected the concha (61 per cent). Surgery comprised excision of the anterior wall followed by local pressure application. Only 2.5 per cent had recurrence after surgery. These findings confirm earlier understood features of this disease while revealing some notable variations.
  15. Suzina AH, Hamzah M, Samsudin AR
    J Laryngol Otol, 2003 Aug;117(8):609-13.
    PMID: 12956914
    Nasal obstruction is a subjective complaint in patients with nasal disease. The ability to quantitate the nasal ventilation dysfunction would be useful for making the appropriate choice of nasal disease management. This cross-sectional study comprised of 200 adult subjects. They underwent assessment of relevant symptoms, nasal examination and investigations before undergoing active anterior rhinomanometry (AAR) assessment. A group of 88 normal subjects and 112 patients with nasal disease were included. The mean total nasal air resistance (NAR) was significantly higher in patients with nasal disease (0.33 Pa/cm(3)/s) as compared to normal subjects (0.24 Pa/cm(3)/s). There was no significant difference in total NAR between patients with symptoms of nasal obstruction and those without the symptoms (p = 0.42). It is concluded that AAR is a sensitive but not a specific tool for the detection of abnormalities in NAR and it failed to relate to the symptom of nasal obstruction.
  16. Suzina AH, Hamzah M, Samsudin AR
    J Laryngol Otol, 2003 Aug;117(8):605-8.
    PMID: 12956913
    The differences in facial anatomical structures of the major ethnic groups, may also be reflected in nasal resistance. Active anterior rhinomanometry (AAR) is the recommended technique for the objective assessment of nasal airway resistance (NAR). This study comprised of 85 adult Malay subjects. All the subjects had to undergo a primary assessment of relevant symptoms of nasal disease and nasal examination before undergoing AAR assessment. The mean value of total nasal airway resistance (NAR) was 0.19 Pa/cm(3)/s (ranged from 0.09 to 0.55 Pa/cm(3)/s) at 75 Pa pressure point and 0.24 Pa/cm(3)/s (ranged from 0.12 to 0.52 Pa/cm(3)/s) at 150 Pa pressure point. The mean unilateral NAR was 0.46 Pa/cm(3)/s at a reference pressure of 75 Pa and 0.51 Pa/cm(3)/s at a reference pressure of 150 Pa. In this study we presented normal values for NAR in healthy Malay adult subjects. AAR proves to be a valuable clinical method for recording and quantitating nasal resistance.
  17. Soh JY, Thalayasingam M, Ong S, Loo EX, Shek LP, Chao SS
    J Laryngol Otol, 2016 Mar;130(3):272-7.
    PMID: 26781592 DOI: 10.1017/S0022215116000025
    BACKGROUND: Sublingual immunotherapy in patients with allergic rhinitis sensitised to house dust mites is safe, but its efficacy is controversial and sublingual immunotherapy with Blomia tropicalis has not yet been studied. This study sought to evaluate the efficacy of sublingual immunotherapy with house dust mite extract in children and adults with house dust mite allergic rhinitis over a period of two years.

    METHODS: A prospective observational study was conducted of children and adults diagnosed with house dust mite allergic rhinitis who were treated with sublingual immunotherapy from 2008 to 2012. Total Nasal Symptom Scores, Mini Rhinoconjunctivitis Quality of Life scores and medication usage scores were assessed prospectively.

    RESULTS: Thirty-nine patients, comprising 24 children and 15 adults, were studied. Total Nasal Symptom Scores and Mini Rhinoconjunctivitis Quality of Life scores dropped significantly at three months into therapy, and continued to improve. Medication usage scores improved at one year into immunotherapy.

    CONCLUSION: Sublingual immunotherapy with house dust mite extracts, including B tropicalis, is efficacious as a treatment for patients with house dust mite allergic rhinitis.

  18. Sim CC, Sim EU
    J Laryngol Otol, 2020 Apr;134(4):338-343.
    PMID: 32172705 DOI: 10.1017/S0022215120000614
    OBJECTIVES: The conclusive prognostic significance of cyclo-oxygenase-2 has been determined in various cancers but not in nasopharyngeal carcinoma. Therefore, this study aimed to evaluate the relationship of cyclo-oxygenase-2 expression with the survival outcome and treatment response of nasopharyngeal carcinoma patients via a systematic meta-analysis approach.

    METHODS: A meta-analysis was conducted in compliance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses ('PRISMA') checklist. The primary clinical characteristics of patients, and hazard ratios with 95 per cent confidence intervals of overall survival data, were tabulated from eligible studies. The relationship of cyclo-oxygenase-2 expression with survival outcome (expressed as hazard ratio) and treatment response (expressed as odds ratio) in nasopharyngeal carcinoma patients was analysed, and explained with the aid of forest plot charts.

    RESULTS AND CONCLUSION: The pooled hazard ratio for overall survival was 2.02 (95 per cent confidence interval = 1.65-2.47). This indicates that the over-expression of cyclo-oxygenase-2 is significantly associated with the poor survival of nasopharyngeal carcinoma patients. The pooled odds ratio of 0.98 (95 per cent confidence interval = 0.27-3.49) reveals that over-expression of cyclo-oxygenase-2 was not significantly related to the treatment outcome.

  19. Siar CH, Ng KH
    J Laryngol Otol, 1994 Mar;108(3):269-71.
    PMID: 8169519
    A case is described of ameloblastoma of the mandible presenting with multiple recurrences and subsequent extension to the maxilla with resultant transformation into an aggressive (malignant?) epithelial odontogenic ghost cell tumour. The latter is a rare, biologically virulent entity that affects mainly males, exhibits a preference for the maxilla and is histologically characterized by atypical malignant odontogenic epithelium associated with areas of ghost cell formation and varying amounts of dentinoid.
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