Displaying publications 1 - 20 of 21 in total

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  1. Balakrishnan R, Abdul-Razak HA, Jaspal S, Subramanian S, Shaharyar AM
    Med J Malaysia, 2008 Dec;63(5):413-4.
    PMID: 19803304 MyJurnal
    Haemangiopericytoma (HPC) is a rare vascular tumor arising from the pericytes of Zimmermann and is characterized by its unpredictable and variable biological behavior. These tumors are common in the trunk and the extremities and less than 16% of the cases occur in the head & neck region. Its occurrence in the oral cavity and pharynx is uncommon. We report an extremely rare case of haemangiopericytoma of the oropharynx arising from the tonsillo-lingual sulcus as a pedunculated mass, which was successfully excised perorally after a preliminary tracheostomy. No recurrence has been noted on a follow-up of more than six years.
    Matched MeSH terms: Oropharynx/pathology; Oropharynx/surgery
  2. Tang MY, Tang IP, Wang CY
    Med J Malaysia, 2014 Aug;69(4):151-5.
    PMID: 25500841 MyJurnal
    AIM: This was a randomized single blinded study to determine optimal size for Ambu®LMA (ALMA) among Malaysian adult population.

    METHODS: One hundred and twenty six non-paralyzed anaesthetized adult patients were block randomized into size 3, 4 and 5 Ambu®LMA. Optimal size is defined primarily by oropharyngeal pressure (OLP). Pharyngeal injury and ease of insertion are also taken into consideration.

    RESULTS: Mean OLP was significantly higher for Size 4 and 5 compared to size 3 (p<0.001) but similar between size 4 and 5. Number of insertion attempts and insertion time were similar between sizes. Size 5 required more manipulations during insertion (p<0.005) and had higher pharyngeal injury (p=0.001) compared to size 3 and 4.

    DISCUSSION: We recommend size 4 ALMA as the optimal size for Malaysian adults in view of the higher OLP compared to size 3, yet less pharyngeal injury than size 5 in spontaneously breathing patients.
    Matched MeSH terms: Oropharynx
  3. Shailendra S, Prepageran N
    Med J Malaysia, 2008 Mar;63(1):65-6.
    PMID: 18935739
    Rhinosporidiosis is a chronic granulomatous disease caused by an aquatic protistan parasite in the class of Mesomycetozoea, that is endemic in India and the subcontinent. This is a case report of a rhinosporidiosis presenting in an individual from Myanmar, whom had been working in Malaysia for the past four years. The disease is characterized by the appearance of polypoidal, friable growths that contain numerous spore filled cysts that stain with PAS staining. This disease is rarely seen in Malaysians due to the extensive urbanization in Kuala Lumpur, however the increasing numbers of migrant workers in Malaysia today necessitates an increasing awareness in clinicians of the possibility of these conditions.
    Matched MeSH terms: Oropharynx*
  4. Tuang GJ, Lee JPH, Velayutham P, Git KA, Ariffin NAA, Abidin ZAZ
    Medeni Med J, 2019;34(3):324-328.
    PMID: 32821456 DOI: 10.5222/MMJ.2019.88886
    Glial heterotopia of oropharynx is a congenital anomaly, whereby ectopic mature glial tissue is found around oropharynx isolated from the brain and spinal cord. Herein we report a rare presentation of a mass at the base of tongue in a neonate. In addition, to underscore the rarity of oropharygeal glial heterotopia, we discuss the dilemma in approaching its diagnosis and management in a neonate.
    Matched MeSH terms: Oropharynx
  5. Ariffin MH, Ashfaq MM, Kang E
    Malays Orthop J, 2016 Mar;10(1):50-52.
    PMID: 28435547 MyJurnal DOI: 10.5704/MOJ.1603.009
    Transoral approach to the cervico-medullary junction is a well-established procedure. However oropharyngeal complications in the form of soft tissue morbidity postoperatively do occur. We report a case of a teenage boy with traumatic quadriparesis secondary to compression of the cervico-medullary junction by an os odontoideum. Decompression was done via transoral approach through a tubular retractor system, hence obviating the need for the splitting or separate retraction of the soft palate and minimised the damage and violation of surrounding soft tissues. His neurological status improved and he was able to ambulate with support on fourth post-operative day with no soft tissue morbidity in the oral cavity. To our knowledge this is the first case reported using this technique. We conclude that adoption of this method would improve the traditional transoral approach and reduce the oropharyngeal complications.
    Matched MeSH terms: Oropharynx
  6. Muthu K, Raman R, Gopalakrishnan G
    Med J Malaysia, 2004 Dec;59(5):585-90.
    PMID: 15889559
    Radiotherapy has been recognized as a valuable modality of treatment in the management of head and neck cancers. It can have a direct bactericidal effect on the normal flora of the oropharynx. The objective of this study is to determine the changes in the oropharyngeal flora after external beam radiation. This prospective non randomized control study was performed to aid in identification of organisms involved in sepsis, as well as aid in choosing appropriate antibiotics for surgical procedures in irradiated patient. Forty patients with various head and neck malignancy and thirty control patients were selected. Oropharyngeal swabs were taken prior to radiotherapy, at the end and one month after radiotherapy. A single swab was taken from the control group. A full bacteriological analysis was performed. There was a statistically significant decrease in Alpha Hemolytic Streptococci and Neisseria species post radiotherapy. B Proteus and Candida Albicans showed a statistical significant increase in patients with head and neck cancer post radiotherapy. These changes remained even one month after radiotherapy.
    Matched MeSH terms: Oropharynx/microbiology*; Oropharynx/radiation effects*
  7. Irfan Mohamad, Nik Adilah Nik Othman
    MyJurnal
    A 38-year-old female presented with foreign body sensation in the throat for one year. It was
    increasing in severity. There was no other associated symptom. Examination of the oral cavity showed an abnormal looking uvula(Fig. 1). The rest part of the oral cavity, oropharynx and larynx were unremarkable. What is your diagnosis?(Copied from article).
    Matched MeSH terms: Oropharynx
  8. Roselinda Abdul Rahman, Irfan Mohamad, Rohaizam Jaafar
    MyJurnal
    Managing a patient with a huge intraoral mass is always challenging. Manipulation or even a simple biopsy of the mass may lead to hemorrhage and further compromise the airway. An examination under anesthesia is not without risk. The method of securing the airway itself may become an issue if the mass is fully occupying the airway before intubation. Usually a tracheostomy is indicated. We share a gentleman presented with a huge intraoral mass occupying the oropharynx, which initially necessitates tracheostomy. We utilized the ultrasonic scalpel-assisted instrument to biopsy by debulking the tumour, thus avoiding the tracheostomy while waiting for the definitive treatment.
    Matched MeSH terms: Oropharynx
  9. Tan SK, Tang ATH, Leung WK, Zwahlen RA
    J Craniofac Surg, 2019 Mar 28.
    PMID: 30946225 DOI: 10.1097/SCS.0000000000005351
    PURPOSE: To investigate short- and long-term three-dimensional changes of pharyngeal airway morphology and hyoid bone position in dento-skeletal class III deformity patients after 2-jaw orthognathic surgery with segmentation.

    METHODS: A retrospective analysis has been performed on patients with dento-skeletal class III deformity who had undergone orthognathic 2-jaw surgery with segmentations, presenting both pre- and post-surgical cone-beam computed tomographys. Three-dimensional skeletal movements, pharyngeal airway changes and hyoid bone position were measured and correlated.

    RESULTS: The mean short term postsurgical review period for all included 47 patients was 5.8 ± 2.2 months. Thirteen patients among them provided a mean long term period of 26.4 ± 3.4 months. The mean postsurgical maxillary movement was 2.29 ± 2.49 mm in vertical, 2.02 ± 3.45 mm in horizontal direction, respectively, while the mandibular movement was 6.49 ± 4.58 mm in vertical, and -5.85 ± 6.13 mm in horizontal direction. In short-term, the vertical length of nasopharynx was found to be reduced (P = 0.005) but increased for the oropharynx (P  0.05) detected between patients with and without genioplasty advancement.

    CONCLUSION: Two-jaw orthognathic surgery in dento-skeletal class III patients led to a statistically non-significant reduction of the post-surgical airway volume in both short- and long-term. Although the post-surgical oropharyneal minimum cross-sectional area was decreased significantly in the short term, this finding did not persist in the long term.

    Matched MeSH terms: Oropharynx
  10. Abdullah BJ, Teong LK, Mahadevan J, Jalaludin A
    J Otolaryngol, 1998 Aug;27(4):190-4.
    PMID: 9711512
    Impacted foreign bodies in the trachea and esophagus are common. In the esophagus, these are usually bones, while for the trachea, it is commonly some form of seed or nut. The incidence of impacted dental prostheses is not highlighted in the literature. They usually have a definite history of ingestion, frequently during trauma, seizures, or sleep. Prompt management in a safe and effective manner is required if significant morbidity, and even mortality, is to be avoided.
    Matched MeSH terms: Oropharynx/radiography*
  11. Chong YM, Sam IC, Chong J, Kahar Bador M, Ponnampalavanar S, Syed Omar SF, et al.
    PLoS Negl Trop Dis, 2020 11;14(11):e0008744.
    PMID: 33253226 DOI: 10.1371/journal.pntd.0008744
    Malaysia had 10,219 confirmed cases of COVID-19 as of September 20, 2020. About 33% were associated with a Tablighi Jamaat religious mass gathering held in Kuala Lumpur between February 27 and March 3, 2020, which drove community transmission during Malaysia's second wave. We analysed genome sequences of SARS-CoV-2 from Malaysia to better understand the molecular epidemiology and spread. We obtained 58 SARS-CoV-2 whole genome sequences from patients in Kuala Lumpur and performed phylogenetic analyses on these and a further 57 Malaysian sequences available in the GISAID database. Nine different SARS-CoV-2 lineages (A, B, B.1, B.1.1, B.1.1.1, B.1.36, B.2, B.3 and B.6) were detected in Malaysia. The B.6 lineage was first reported a week after the Tablighi mass gathering and became predominant (65.2%) despite being relatively rare (1.4%) globally. Direct epidemiological links between lineage B.6 viruses and the mass gathering were identified. Increases in reported total cases, Tablighi-associated cases, and community-acquired B.6 lineage strains were temporally linked. Non-B.6 lineages were mainly travel-associated and showed limited onward transmission. There were also temporally correlated increases in B.6 sequences in other Southeast Asian countries, India and Australia, linked to participants returning from this event. Over 95% of global B.6 sequences originated from Asia Pacific. We also report a nsp3-C6310A substitution found in 47.3% of global B.6 sequences which was associated with reduced sensitivity using a commercial diagnostic real-time PCR assay. Lineage B.6 became the predominant cause of community transmission in Malaysia after likely introduction during a religious mass gathering. This event also contributed to spikes of lineage B.6 in other countries in the Asia-Pacific. Mass gatherings can be significant causes of local and global spread of COVID-19. Shared genomic surveillance can be used to identify SARS-CoV-2 transmission chains to aid prevention and control, and to monitor diagnostic molecular assays. Clinical Trial Registration: COVID-19 paper.
    Matched MeSH terms: Oropharynx/virology
  12. Lim KL, Johari NA, Wong ST, Khaw LT, Tan BK, Chan KK, et al.
    PLoS One, 2020;15(8):e0238417.
    PMID: 32857823 DOI: 10.1371/journal.pone.0238417
    The rapid global spread of the coronavirus disease (COVID-19) has inflicted significant health and socioeconomic burden on affected countries. As positive cases continued to rise in Malaysia, public health laboratories experienced an overwhelming demand for COVID-19 screening. The confirmation of positive cases of COVID-19 has solely been based on the detection of the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) using real-time reverse transcription polymerase chain reaction (qRT-PCR). In efforts to increase the cost-effectiveness and efficiency of COVID-19 screening, we evaluated the feasibility of pooling clinical Nasopharyngeal/Oropharyngeal (NP/OP) swab specimens during nucleic acid extraction without a reduction in sensitivity of qRT-PCR. Pools of 10 specimens were extracted and subsequently tested by qRT-PCR according to the WHO-Charité protocol. We demonstrated that the sample pooling method showed no loss of sensitivity. The effectiveness of the pooled testing strategy was evaluated on both retrospective and prospective samples, and the results showed a similar detection sensitivity compared to testing individual sample alone. This study demonstrates the feasibility of using a pooled testing strategy to increase testing capacity and conserve resources, especially when there is a high demand for disease testing.
    Matched MeSH terms: Oropharynx/virology
  13. Mawaddah A, Gendeh HS, Lum SG, Marina MB
    Malays J Pathol, 2020 Apr;42(1):23-35.
    PMID: 32342928
    INTRODUCTION: To review the present literature on upper respiratory tract sampling in COVID-19 and provide recommendations to improve healthcare practices and directions in future studies.

    METHODS: Twelve relevant manuscripts were sourced from a total of 7288 search results obtained using PubMed, Medline and Google Scholar. The search keywords used were COVID-19, nasopharyngeal, oropharyngeal, swabs, SARS and CoV2. Original manuscripts were obtained and analysed by all authors. The review included manuscripts which have not undergone rigorous peer-review process in view of the magnitude of the topic discussed.

    RESULTS: The viral load of SARS-CoV-2 RNA in the upper respiratory tract was significantly higher during the first week and peaked at 4-6 days after onset of symptoms, during which it can be potentially sampled. Nasopharyngeal swab has demonstrated higher viral load than oropharyngeal swab, where the difference in paired samples is best seen at 0-9 days after the onset of illness. Sensitivity of nasopharyngeal swab was higher than oropharyngeal swabs in COVID-19 patients. Patient self-collected throat washing has been shown to contain higher viral load than nasopharyngeal or oropharyngeal swab, with significantly higher sensitivity when compared with paired nasopharyngeal swab.

    RECOMMENDATIONS: Routine nasopharyngeal swab of suspected COVID-19 infection should take anatomy of the nasal cavity into consideration to increase patient comfort and diagnostic yield. Routine oropharyngeal swab should be replaced by throat washing which has demonstrated better diagnostic accuracy, and it is safe towards others.

    Matched MeSH terms: Oropharynx/virology*
  14. Tan GC, Cheong SK
    Malays J Pathol, 2020 Apr;42(1):1.
    PMID: 32342925
    No abstract available.
    Matched MeSH terms: Oropharynx/virology
  15. Rao M, Rashid FA, Sabri FSAH, Jamil NN, Seradja V, Abdullah NA, et al.
    J Med Virol, 2021 Apr;93(4):2461-2466.
    PMID: 33393672 DOI: 10.1002/jmv.26773
    An optimal clinical specimen for accurate detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) by minimizing the usage of consumables and reduce hazard exposure to healthcare workers is an urgent priority. The diagnostic performance of SARS-CoV-2 detection between healthcare worker-collected nasopharyngeal and oropharyngeal (NP + OP) swabs and patient performed self-collected random saliva was assessed. Paired NP + OP swabs and random saliva were collected and processed within 48 h of specimen collection from two cohort studies which recruited 562 asymptomatic adult candidates. Real-time reverse-transcription polymerase chain reaction targeting Open reading frame 1a (ORF1a) and nucleocapsid (N) genes was performed and the results were compared. Overall, 65 of 562 (28.1%) candidates tested positive for COVID-19 based on random saliva, NP + OP swabs, or both testing techniques. The detection rate of SARS-CoV-2 was higher in random saliva compared to NP + OP testing (92.3%; 60/65 vs. 73.8%; 48/65; p 
    Matched MeSH terms: Oropharynx/virology*
  16. Irfan Mohamad, Mohd Syafwan Mohd Soffian, Amran Mohamad
    MyJurnal
    Acute epiglottitis though relatively common in pediatric patients as compared to adults, present with almost similar clinical presentations. They include voice change, difficulty or painful swallowing and sometimes with upper airway obstruction. Physical finding of swollen epiglottis is difficult to be obtained owing to the danger of introducing laryngeal mirror into the oropharynx as to avoid contact spasm. The diagnostic thumb sign appearance on lateral neck radiograph is considered pathognomonic of epiglottitis. We report a case of an adult with clinical features and radiological finding of an acute epiglottitis, which did not resolve with antibiotic treatment. Subsequent imaging confirmed the presence of an abscess in the epiglottic mucosa.
    Matched MeSH terms: Oropharynx
  17. Tan KS, Jalaluddin WMS
    BJR Case Rep, 2016;2(3):20150460.
    PMID: 30459991 DOI: 10.1259/bjrcr.20150460
    Lipomas of the larynx, oropharynx and hypopharynx are rare, accounting for approximately 1% of benign laryngeal neoplasms. We present a rare case of a simple lipoma arising from the right vallecula. A 55-year-old male presented with worsening dysphagia for 1 week. CT scan revealed a lesion of fat attenuation in the right vallecula. The patient underwent surgical excision and recovered uneventfully. To our knowledge, there are only two cases of vallecular lipoma that have been reported and they are both of spindle cell subtype and located on the left side. This is the first reported case of a simple lipoma arising from the right vallecula and causing obstructive symptoms. CT scan or MRI is essential in confirming the diagnosis and assessing the extent, thus allowing prompt excision, especially when the patient is symptomatic.
    Matched MeSH terms: Oropharynx
  18. Lim CC, Misron K, Loong SP, Liew YT, Sawali H
    Iran J Otorhinolaryngol, 2019 Sep;31(106):319-322.
    PMID: 31598501
    Introduction: Primary tuberculosis (TB) of the oropharynx and nasopharynx is an extremely rare form of extra-pulmonary TB in children. Primary tuberculosis occurs more likely secondary to pulmonary TB and is more common in immunocompromised patients.

    Case Report: We reported the case of a young male presented with the symptoms of non-specific chronic adenotonsillitis, mild obstructive sleep apnoea, and cervical lymphadenopathy. Subsequently, he underwent adenotonsillectomy and excision of the cervical lymph node with the tissue specimens came back strongly positive for TB. Then, he started using antituberculous medication and recovered well.

    Conclusion: The authors would like to highlight this rare clinical entity in which accurate diagnosis is essential for complete treatment.

    Matched MeSH terms: Oropharynx
  19. Voon K, Tan YF, Leong PP, Teng CL, Gunnasekaran R, Ujang K, et al.
    J Med Virol, 2015 Dec;87(12):2149-53.
    PMID: 26106066 DOI: 10.1002/jmv.24304
    This study aims to assess the incidence rate of Pteropine orthreovirus (PRV) infection in patients with acute upper respiratory tract infection (URTI) in a suburban setting in Malaysia, where bats are known to be present in the neighborhood. Using molecular detection of PRVs directly from oropharyngeal swabs, our study demonstrates that PRV is among one of the common causative agents of acute URTI with cough and sore throat as the commonest presenting clinical features. Phylogenetic analysis on partial major outer and inner capsid proteins shows that these PRV strains are closely related to Melaka and Kampar viruses previously isolated in Malaysia. Further study is required to determine the public health significance of PRV infection in Southeast Asia, especially in cases where co-infection with other pathogens may potentially lead to different clinical outcomes.
    Matched MeSH terms: Oropharynx/virology
  20. Zainudin BM, Rafia MH, Sufarlan AW
    Singapore Med J, 1993 Apr;34(2):148-9.
    PMID: 8266157
    Lignocaine spray for anaesthetising the nasal mucosa for fibreoptic bronchoscopy often causes discomfort to the patient. We compared two techniques of applying nasal topical anaesthesia using either lignocaine spray (group A: 25 patients) or gel (group B: 30 patients) to assess patients' tolerance to the procedure. Both groups received 100 mg of lignocaine in the nostril, 40-50 mg to oropharynx, 120 mg to vocal cords and 40-100 mg to trachea and bronchi. Throat anaesthesia was the most common unpleasant part experienced by both groups of patients (34.5%), followed by examination of bronchi (30.6%) and nasal anaesthesia (21.8%). Significantly more patients in group A experienced discomfort or pain during nasal anaesthesia as compared to group B (p < 0.001). Patients' tolerance to the bronchoscopy was similar in both groups and the examination was performed satisfactorily in all patients. Thus, lignocaine gel is a simple technique, effective and less irritating as compared to lignocaine spray for topical nasal anaesthesia.
    Matched MeSH terms: Oropharynx
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