Displaying publications 61 - 80 of 125 in total

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  1. Vengathajalam S, Maruthamuthu T, Nik Hassan NFH, Mohamad I
    Gulf J Oncolog, 2020 May;1(33):80-83.
    PMID: 32476655
    Post chemoradiation vocal cord immobility is a rare complication and this maybe life threatening when patients present with severe aspiration and recurrent pneumonia or even worse if they have an upper airway obstruction. We report a case of nasopharyngeal carcinoma patient whom after receiving curative concurrent chemoradiotherapy, presented with episodes of shortness of breath and aspiration pneumonia finally diagnosed with bilateral vocal cord immobility. She had no evidence of tumour recurrence.
  2. Subramaniam S, Johan S, Hayati F, Ng CY, Azizan N, Chuah JA, et al.
    BMC Surg, 2020 Jun 11;20(1):130.
    PMID: 32527309 DOI: 10.1186/s12893-020-00787-8
    BACKGROUND: Sialolipoma is a rare tumour which may arise from both major and minor salivary glands and has recently been described as a variant of salivary gland lipomatous lesions.

    CASE PRESENTATION: We report a 54-year-old male who presented with a 7-year history of large right anterior neck swelling. He was clinically euthyroid and had no compressive or infiltrative symptoms. He sought medical attention due to the discomfort exerted by the weight of the mass and was keen for excision. The swelling appeared like a goitre but physical examination proved otherwise. Imaging was suggestive of a benign tumour arising from the right parapharyngeal fossa. The mass was surgically excised and was noted to be adherent to part of the submandibular gland. Histopathological examination revealed a new variant of benign adipocytic tumour of salivary gland or sialolipoma arising from the submandibular gland. Besides being the largest sialolipoma to be reported, there are also no reports of giant submandibular sialolipomas masquerading as a huge goitre in appearance.

    CONCLUSION: Submandibular sialolipomas can present in really large sizes and appear as a giant goitre. It is important to differentiate between benign lipomas from liposarcomas and tailor the management accordingly. Surgical enucleation is the preferred choice of treatment for these benign tumours with low recurrence rates.

  3. Kandiah R, Aziz A, Nik Min NFA, Rahim MR, Zawawi N, Sayuti KA, et al.
    Malays J Pathol, 2021 Dec;43(3):457-461.
    PMID: 34958068
    Lichenoid uvula mass is an unusual entity and the clinicopathologic entities are important for the diagnosis. In this case report, we report an elderly lady presented with dysphagia and "hot potato voice" due to a lichenoid uvula mass. Apart from muffled voice, the other associated symptoms are dysphagia, sore throat, globus pharyngeus and snoring. She was a non-smoker, and not on any medications except for hypertension and dyslipidaemia. Apart from the enlarged uvula, other parts of the oral cavity, oropharynx and larynx were normal. She has no other signs such as cutaneous lesions. The mass was excised under general anaesthesia followed by resolution of symptoms. Awareness of this entity, the clinical and histopathological features should be highlighted to differentiate it from other diagnosis.
  4. Muhammad Fauzi HG, Mohan Singh AS, Abdul Rahim S, Chooi LL, Ramasamy V, Mohamad Pakarul Razy NH, et al.
    Gulf J Oncolog, 2021 May;1(36):79-81.
    PMID: 35017141
    Malignant transformation of recurrent respiratory papillomatosis (RRP) is a rare entity occurring in only less than 5% of patients with RRP. The risk of transformation can arise even in the absence of risk factors such as smoking and radiation. We describe a patient with juvenile RRP diagnosed since childhood, who suffered malignant transformation into a squamous cell carcinoma after 29 years. Keywords: Recurrent respiratory papillomatosis; laryngeal neoplasms; squamous cell carcinoma; human papilloma-virus.
  5. Mohd Ariff NA, Mazlan MZ, Mat Hassan ME, Seevaunnamtum PA, Wan Muhd Shukeri WF, Nik Mohamad NA, et al.
    Respir Med Case Rep, 2018;23:93-95.
    PMID: 29387523 DOI: 10.1016/j.rmcr.2018.01.001
    Introduction: Bronchoscopy is a commonly used procedure in the context of aspiration in the Intensive Care Unit setting. Despite its ability to remove mucus plug and undigested gastric contents, aspiration of gastric content into the trachea is one of the most feared complications among anesthesiologist.

    Discussion: The scenario is made worst if the aspiration causes acute hypoxemic respiratory failure immediately post intubation. However, in the event of desaturation, the quick decision to proceed with bronchoscopy is a challenging task to the anesthesiologist without knowing the causes.

    Case presentation: We present a case of a 12-year-old boy who had a difficult-to-ventilate scenario post transferring and immediately connected to ventilator in operation theatre (OT) from portable ventilator from the emergency department. She was successfully managed by bronchoscopy.

    Conclusion: Special attention should be given to the difficult-to-ventilate scenario post intubation of traumatic brain injury patient prior to operation. Prompt diagnosis and bronchoscope-assisted removal of foreign body was found to be a successful to reduce morbidity and mortality.

  6. Ibrahim MI, Jusoh YR, Adam NN, Mohamad I
    Iran J Otorhinolaryngol, 2018 Jan;30(96):65-68.
    PMID: 29387667
    Introduction: Primary squamous cell carcinoma (SCC) of the thyroid gland is one of the rarest types of all reported thyroid malignancies worldwide. It is very aggressive in nature and carries a poor prognosis. The surgical resection with adjuvant radiotherapy and chemotherapy is the most recommended treatment despite its poor reported outcome.

    Case Report: A 74-year-old woman presented with a rapidly progressive neck swelling, with hoarseness and compressive symptoms. Physical examination revealed a multilobulated firm thyroid mass with unilateral vocal cord palsy. Histopathological findings confirmed the diagnosis of SCC while radiological investigations and panendoscopy findings ruled out the possibility of other primary tumors. A surgical intervention was performed; however, the patient eventually succumbed to death prior to undergoing an oncological treatment.

    Conclusion: With no standard consensus to guide the management plan, SCC of the thyroid gland presents a great challenge for the managing team to come up with the best treatment option, due to its unfavorable rate of survival.

  7. Nor Hisyam CI, Misron K, Mohamad I
    Malays Fam Physician, 2017;12(2):23-25.
    PMID: 29423126 MyJurnal
    A foreign body (FB) in the upper aerodigestive tract is a common clinical problem that presents as as acute emergency. Sharp FB, such as fish bone or chicken bone, commonly lodges in the tonsil, base of tongue, vallecula or pyriform fossa. Dislodgement of a FB into the laryngopharynx is very rare and specifically onto the vocal cord is extremely uncommon. This case report illustrates a rare case of a sharp FB that was dislodged into the airway and stuck on to the right vocal cord, which was removed under local anaesthesia.
  8. Vasiwala RA, Elhariri SY, Teng CL, Mohamad I
    Noise Health, 2022;24(113):75-81.
    PMID: 35900392 DOI: 10.4103/nah.nah_33_21
    BACKGROUND: Idiopathic sudden sensorineural hearing loss (ISSNHL) is commonly encountered in audiologic and otolaryngologic practice. Constraint-induced music/sound therapy (CIMT) is characterized by the plugging of the normal ear (constraint) and the simultaneous, stimulation of the affected ear with music, which is based on a well-established neurorehabilitation approach. Corticosteroid therapy (CST) is the current mainstay of treatment. The prognosis for hearing recovery depends on many factors including the severity of hearing loss, age, and presence of vertigo.

    OBJECTIVE: To analyze the effectiveness of CIMT with CST in ISSNHL.

    METHODS: We performed a systematic search, using specific keywords relevant to our study, in PubMed, Cochrane Central Register of Controlled Trials, and additional sources of published trials till December 2020. We then screened all search results obtained according to our inclusion/exclusion criteria and performed a quality assessment on all studies using the Newcastle-Ottawa scale and using MedCalc, a meta-analysis was performed on suitable studies.

    RESULTS: The recovery rates of three included nonrandomized studies were assessed at 1 to 3 months. A total of 229 (CST: 131, CST + CIMT: 98) patients were pooled for meta-analysis. The meta-analysis using the random-effect model found the relative risk of recovery rate within 3 months to be 1.213 (95% confidence interval 0.709-2.074), a result that is not statistically significant.

    CONCLUSION: Although our analysis results do not demonstrate the noticeable effect of CIMT in ISSNHL, it can support be a gainful adjunct to CST for better hearing results than CST alone. Therefore, it needs further prospective randomized controlled multicenter trials with a large sample.

  9. Loh ZH, Mohamad S, Gan BC, Zakaria Z, Mohamad I
    Med J Malaysia, 2023 Mar;78(2):197-201.
    PMID: 36988530
    INTRODUCTION: Nasopharyngeal carcinoma (NPC) is among the most common malignancy in Malaysia. Radiationinduced hypothyroidism has been reported in other countries. However, in Malaysia, no studies were ever done to determine the effect of radiation on hypothyroidism. The objective of this study is to evaluate the practice of taking thyroid function test (TFT) and determine hypothyroidism post-radiation in patients with NPC.

    MATERIALS AND METHODS: A retrospective study on the symptoms and results of TFT according to the dosage of intensity-modulated radiotherapy (IMRT) given to patients with NPC. Data were traced and analysed.

    RESULTS: A total of 78 patients were identified. All patients received IMRT with 33-35 fractions of radiotherapy (RT) with total dosage of 66-70 Gray given. Not all patients had their thyroid function status measured routinely. Twelve patients did have symptoms of hypothyroidism. TFT were obtained in this group but the results were normal. No correlation was found between RT and hypothyroidism.

    CONCLUSION: There was no correlation between IMRT and the development of hypothyroidism. A prospective study with better control of inclusion and exclusion criteria, and longer follow-up period with TFT, is needed to demonstrate the consistency of these findings.

  10. Mohamad S, Mohamad I
    Malays Fam Physician, 2017;12(1):37-38.
    PMID: 28503275 MyJurnal
    A 68-year-old Malay man who is a rubber tapper, presented with a large painful right-sided neck swelling for 6 months, which was gradually increasing in size and associated with odynophagia, dysphagia, hoarseness and significant weight loss. He did not complain of any ear symptoms, but on further questioning, he admitted having a 3-week history of occasional tinnitus and reduced hearing on the right ear. Other ear symptoms were negative.
  11. Sultan Abdul Kader MI, Razak SS, Ramanna VR, Esa NK, Ahmad AR, Mohamad I
    Malays J Med Sci, 2021 Jun;28(3):143-150.
    PMID: 34285652 DOI: 10.21315/mjms2021.28.3.13
    COVID-19 has taken the world by storm: since the first few cases appeared in Wuhan, China in December 2019 and by June 2020 there were more than 10 million cases of COVID-19 cases worldwide. Malaysia had its first case in January 2020 and acted promptly by implementing several drastic measures to contain the disease. Subsequently, the Ministry of Health Malaysia has implemented guidelines and recommendations on the management of COVID-19. The Department of Otorhinolaryngology-Head and Neck Surgery (ORL-HNS) provides services for patients with ear, nose, throat, head and neck diseases and provides audiology, speech and language therapy, as well as undergraduate and postgraduate training. As the department's staff is heavily involved in examinations and interventions of upper aerodigestive tract problems, the challenges are distinctly different from other specialties. This article discusses how COVID-19 affected ORL-HNS services and what measures were taken in Hospital Melaka, Malaysia.
  12. Dewiputri WI, Mohamad I
    Malays J Med Sci, 2011 Jan;18(1):1-5.
    PMID: 22135566 MyJurnal
    This special editorial assessed the recent developments in Malaysian Journal of Medical Sciences (MJMS) and examined the characteristics of the submission, peer review, and publication processes for MJMS. This retrospective analysis used information about the manuscripts submitted to MJMS during the one-year period (from 1 June 2010 to 31 May 2010) since the start of current online submission and review system (ScholarOne(™) Manuscripts, Thomson Reuters). In addition, we also discussed the future directions of MJMS. Finally, we would like to recommend an annual internal audit for MJMS, which is very useful to monitor the growth of this journal progressively.
  13. Nurazzi NM, Abdullah N, Demon SZN, Halim NA, Mohamad IS
    Polymers (Basel), 2021 Jun 09;13(12).
    PMID: 34207577 DOI: 10.3390/polym13121916
    Non-covalent functionalisation of the carbon nanotube (CNT) sidewall through polymer wrapping is the key strategy for improving well-dispersed CNTs without persistent alteration of their electronic properties. In this work, the effect of reaction time on regioregular poly (3-hexylthiophene-2,5-diyl) (P3HT)-wrapped hydroxylated multi-walled CNT (MWCNT-OH) nanocomposites was investigated. Five different reaction times (24, 48, 72, 96, and 120 h) were conducted at room temperature in order to clearly determine the factors that influenced the quality of wrapped MWCNT-OH. Morphological analysis using Field Emission Scanning Electron Microscopic (FESEM) and High-Resolution Transmission Electron Microscope (HRTEM) analysis showed that P3HT successfully wrapped the MWCNT-OH sidewall, evidenced by the changes in the mean diameter size of the nanocomposites. Results obtained from Raman spectroscopy, X-ray Photoelectron Spectroscopy (XPS) as well as Thermogravimetric Analysis (TGA) showed a significant effect of the wrapped polymer on the CNT sidewall as the reaction time increased. Overall, the method used during the preparation of P3HT-wrapped MWCNT-OH and the presented results significantly provided a bottom-up approach to determine the effect of different reaction times on polymer wrapping to further expand this material for novel applications, especially chemical sensors.
  14. Hamzan NI, Ab Rahman N, Suraiya S, Mohamad I, George Kalarakkal T, Mohamad S
    Arch Oral Biol, 2021 Apr;124:105051.
    PMID: 33581498 DOI: 10.1016/j.archoralbio.2021.105051
    OBJECTIVE: The present study established a real-time loop-mediated isothermal amplification (qLAMP) for rapid detection of human papillomavirus subtype 16 (HPV-16) in oral squamous cell carcinoma (OSCC).

    METHODS: The qLAMP assay was optimized targeting the HPV-16 E7 gene. The analytical sensitivity and specificity of the assay were determined using HPV-18 (ATCC® 45152D™), HPV-35 (ATCC® 40330™), HPV-43 (ATCC® 40338™) and HPV-56 (ATCC® 40549™) viral strains and oral bacteria. HPV-16 standard curve was constructed for determination of HPV-16 viral load. The diagnostic performance of the assay was evaluated from 63 OSCC patients comprising 63 tissue, 13 saliva and 49 blood samples, in comparison with p16 immunohistochemistry (IHC), in-house PCR and nested PCR assays.

    RESULTS: The detection limit of developed LAMP and PCR assays was 4.68 × 101 and 4.68 × 103 copies/μl, respectively. qLAMP assay enabled detection of positive results as early as 23 min at 67 °C. This assay can detect HPV-16 positivity in 23 % (3/13) saliva and 4.8 % (3/63) tissue samples with the viral load ranging from 4.68 × 101 to 4.68 × 104 copies/μl. HPV-16 positivity was not detected in all the blood samples. The sensitivity and specificity of qLAMP were 100 % in comparison with that of p16 IHC and nested PCR.

    CONCLUSION: This study reports for the first time on the use of qLAMP assay for detection of HPV-16 in OSCC in both tissue and saliva as the sample matrix which holds promise in improving the diagnostic application owing to its rapidity, simplicity, high sensitivity and specificity.

  15. Ramza Ramli R, Mohamad I, Mohamad Zaki Z
    Acta Inform Med, 2012 Dec;20(4):264-5.
    PMID: 23378697 DOI: 10.5455/aim.2012.20.264-265
    Common foreign bodies in adults include fish bones and improperly chewed meat A 72-year-old Malay gentleman was brought in by his son to the emergency department after he was seen gasping at home. The patient has an underlying history of stroke with neurological deficit include his gag reflex. According to family members, the patient had the symptom a day after he had allegedly consumed a piece of durian without removing its seed. Patient was then admitted to Intensive care Unit (ICU) for monitoring. His blood gas normalized and was extubated after 2 days in ICU before discharged home the next day.
  16. Noh, K.B., Salim, R., Abdullah, M.S., Mohamad, I.
    Malaysian Family Physician, 2018;13(2):36-38.
    MyJurnal
    Foreign body aspiration is commonly described in infants and children. However, recently, a new
    high-risk group was identified among young women, especially those from the Muslim population
    who wear the traditional hair scarf. This is due to the habit of holding the scarf pin in between the
    lips to free hands to adjust the scarf more easily. Talking, laughing, or coughing while fixing the
    scarf may result in inadvertent inhalation of the pin into the tracheobronchial tree. We present a
    case of scarf pin inhalation and the challenges encountered in managing this patient during the
    successful removal of the pin via flexible bronchoscopy under fluoroscopy guidance. This particular
    case was technically challenging for us as the sharp tip of the needle was pointing upward and
    piercing the bronchial mucosa.
  17. Samarakkody, Z.M., Sayuti, K.A., Mat Zin, A.A., Wan Abdul Wahab, W.N.N., Mohamad, I.
    Malaysian Family Physician, 2018;13(3):40-43.
    MyJurnal
    Cervical vagal schwannoma is an uncommon, benign neoplasm. It is usually asymptomatic and
    presents as a painless, palpable mass in the neck. However, large schwannomas can cause dysphagia,
    dysphonia or dyspnea as a result of compression. We report a case of an extremely rare complication
    of vagal schwannoma in which neck palpation induced the patient to cough. As the patient refused
    any surgical intervention, conservative management was used.
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