Staff Directory

Wan Ishlah Bin Leman

Academic Qualification

  • Master of Surgery in Otorhinolaryngology and Head-Neck Surgery (ORL-HNS) - Masters Degree (Clinical Specialist), Universiti Kebangsaan Malaysia (UKM)
  • Bachelor of Medical Science - Bachelor Degree, Universiti Kebangsaan Malaysia (UKM)

Wan Ishlah Bin Leman (Assoc. Prof. Dr.)

Associate Professor
IIUM Kuantan Campus


Other's position:

Head, Kulliyyah of Medicine

Expert Profile

Assoc.Prof. Dr Wan Ishlah Leman started housemanship training at Hospital Sultanah Nur Zahirah (HSNZ) in 1995 after completing his undergraduate study at University Kebangsaan Malaysia (UKM), Kuala Lumpur. After completing his housemanship in 1996, he served Kerteh Health Clinic as a medical officer in Public Health. In June 1998, he enrolled for the Master of Surgery in ORL, with the Faculty of Medicine, University Kebangsaan Malaysia (UKM). After completing his Master's in May 2002, he served the ENT Department, Hospital Tengku Ampuan Afzan (HTAA), Kuantan.
He developed an interest in teaching while doing his Master's at HUKM. After completing his Master's degree, he started getting involved in teaching of medical students of IIUM. In 2010, he became the Head of Department of ORL, KOM IIUM and was involved directly in the administrative matters and the day-to-day running of the department. Besides that, he also gives service as general ORL to HTAA , involved in research activities and preparation of the General ORL Curriculum for the undergraduates. He has also been invited by other Kulliyyahs such as Dentistry, Nursing, Allied Health Sciences to give lectures to their undergraduate students. He is an examiner for both undergraduate and postgraduate examinations for both public and private universities.
As a general ENT surgeon he does various ear, nose, throat and head & neck procedures but his area of interest is Rhinology and Anterior Skull Base Surgery. In order to develop the skill and refined operative techniques, he was attached to Local Resident Rhinologist at HTAA for about three years (2005-2008) and has attended many Rhinology and Anterior Skull Base courses or workshops either locally or overseas. The Department has also started its Master of Surgery (General Surgery) programme in 2015. Up to now we have more than 15 postgraduate students in the programme.
He has published more than 20 articles in various journals and has been invited as a speaker in various local conferences in Malaysia.

Area of Specialisation

  • Medical And Health ~ Medical And Health Sciences ~ Clinical Medicine ~ Surgery - ORL-HNS

Teaching Responsibilities

BMS & GENERAL ORL-HNS ROTATION 2023/2024 2022/2023 2021/2022 2019/2020
BMS and General ORL-HNS Rotation 2020/2021
EAR, NOSE AND THROAT 2019/2020 2018/2019 2017/2018 2016/2017 2015/2016 2014/2015 2012/2013 2011/2012 2010/2011
GENERAL MEDICINE & GENERAL SURGERY 2023/2024 2022/2023 2021/2022 2019/2020
OTOLOGY 2018/2019 2017/2018 2016/2017 2015/2016
OTORHINOLARYNGOLOGY - HEAD AND NECK SURGERY 2023/2024 2022/2023 2021/2022 2020/2021


Olfactory Function Post Endoscopic Sinus Surgery.
Master Completed 2023 Main Supervisor
Effects Of Betahistine On Vestibulo-Ocular Reflex In Normal Healthy Adults:A Randomized Double-Blind, Placebo-Controlled Trial.
Master Completed 2023 Main Supervisor
Myringoplasty And Its Surgical Outcome In Sasmec @Iium.
Master In Progress Main Supervisor
Master In Progress Main Supervisor
To Be Determined.
Master In Progress Main Supervisor

Research Projects

2017 - 2021 The Occurrence of Bad Splits Based on Epker Technique for Sagittal Split Ramus Osteotomy: A Cohort Cadaveric Study
2015 - 2018 Quality of Life Among Head and Neck Cancer (Treatable and Un-treatable): A Follow-up Study in Kuantan,Pahang
2012 - 2015 Predictors of peri-operative complications following single or combination nasal-palatopharyngeal surgery for severe obstructive sleep apnea
2010 - 2011 Contrecoup Injury in Traumatic Temporal Bone Fracture
2010 - 2012 Reliability and Validity of Malay version LPR HR-QOL Questionnaire.
2016 - Present Identification of nano-formulated Thymoquinone effect on inflammatory response of Sino-Nasal cell linage RPMI 2650.
2015 - Present Differential Expression and Pathway Analysis of miR-744 AND Mir-101 in Nasopharyngeal Carcinoma
2012 - Present Clinical Atlas of ENT Problems
2011 - Present RU 2011 -Evaluation of finding with High Resolution Endoscopic System (HRES) in patient with Laryngopharyngeal Reflux Disease (LPRD) in The Development of Glottic Cancer : A pilot study.
2011 - Present RU 2011 -Recurrence post endoscopic Sinus Surgery for Chronic Rhinosinusitis with nasal polyps: What are the influencing factors?
2008 - Present Evaluation and Management of Laryngopharyngeal Reflux Disease
2008 - Present Perception of the Final Year Medical Students Towards the Islamic Input Medical Program of Kulliyyah of Medicine, IIUM



2024 Quantile normalization for high throughput circulating MicroRNA expression study using TaqMan® low density array panels: supporting evidence. HAYATI Journal of Biosciences, 31 (3) pp. 432-442
2022 Identification of risk factors associated with Nasopharyngeal Carcinoma (NPC) in the Pahang state of Malaysia hospitals. Makara Journal of Health Research, 26 (1) pp. 14-21
2021 The incidence of Nasopharyngeal Carcinoma in Pahang state of Malaysia from 2012 to 2017. Malaysian Journal of Medical Sciences (MJMS), 28 (1) pp. 66-74
2020 Detectability of cir detectability of circulating micr culating microRNAs in micr As in microRNA extracts with acts with low purity and yield using quantitative real-time polymerase chain reaction: Supporting evidence. Makara Journal of Health Research, 24 (3) pp. 147-156
2019 Differential expression of miR-101 and miR-744 in nasopharyngeal carcinoma in Pahang state of Malaysia. Walailak Journal of Science and Technology, 16 (5) pp. 295-306
2019 Expression of microrna-101 in formalin-fixed paraffin- embedded samples of nasopharyngeal carcinoma. Malaysian Journal of Biochemistry and Molecular Biology, 22 (2) pp. 60-63
2018 Pott’s puffy tumour secondary to frontal sinusitis. Pediatria i Medycyna Rodzinna” (Pediatr Med Rodz), 14 (3) pp. 327-330
2018 Proboscis lateralis: a case report of nasal aplasia with complete agenesis of maxilary and ethmoidal sinuses. International Medical Journal Malaysia, 17 (2) pp. 125-128
2018 The expression of microrna-744 (MIR-744) in nasopharyngeal carcinoma: a preliminary study. International Journal of Allied Health Sciences, 2 (1) pp. 191-203
2018 Vast opportunity to study microrna (miRNA) in head and neck cancer among Malaysian population. International Journal of Allied Health Sciences, 2 (3) pp. 475-488
2017 Association between severity of obstructive sleep apnea and number and sites of upper airway operations with surgery complications. JAMA Otolaryngology - Head and Neck Surgery, 143 (3) pp. 239-246
2017 Penetrating large retro-orbital foreign body -fishing sinker: removal via endoscopic transnasal approach. International Medical Journal, 24 (4) pp. 352-353
2016 Technical considerations in the surgical management of external laryngotracheal: surgical outcomes. International Medical Journal Malaysia, 15 (2) pp. 7-12
2014 A simple, safe and effective surgical technique for the treatment of post-traumatic parotid sialocoele. Malaysian Journal of Medical Sciences , 21 (1) pp. 72-74
2014 An outcome of surgically treated head and neck cancer in one of the tertiary referral center in the East Coast of Malaysia: a 6-year retrospective analysis. Malaysian Journal of Medical Sciences , 21 (4) pp. 28-36
2013 Ingestion of honey improves the symptoms of allergic rhinitis: Evidence from a randomized placebo-controlled trial in the East Coast of Peninsular Malaysia. Annals of Saudi Medicine, 33 (5) pp. 469-475
2012 Inflammatory pseudotumour of skull base – Diagnostic challenge and treatment outcome. The Medical Journal of Malaysia, 67 (5) pp. 526-528
2011 Contrecoup injury in patients with traumatic temporal bone fracture. The Journal of Laryngology and Otology, 125 (8) pp. 781-785
2011 Dysphagia caused by an aberrant right subclavian artery. International Medical Journal Malaysia, 10 (1) pp. 43-45
2011 The principle of autonomy as related to personal decision making concerning health and research from an 'Islamic Viewpoint'. Journal of the Islamic Medical Association of North America , 43 (1) pp. 27-34
2010 Management of severe subglottic stenosis secondary to trauma: case to case comparison of resection anastomosis versus cartilage augmentation. Medical Journal of Malaysia, 65 (2) pp. 157-159
2009 Thyroglossal duct carcinoma. Singapore Medical Journal, 50 (12) pp. e404-e406
2008 Head injury with temporal bone fracture: one year review of case incidence, causes, clinical features and outcome. Medical Journal of Malaysia, 63 (5) pp. 373-376
2008 Management of large mandibular ameloblastoma - a case report and literature reviews. Archives of Orofacial Sciences, 3 (2) pp. 47-50
2008 Posterior mediastinal abscess secondary to esophageal perforation following fish bone ingestion . Medical Journal of Malaysia, 63 (2) pp. 162-163
2008 Surgical management of juvenila nasopharyngeal angiofibroma without angiographic embolization. Asian Journal of Surgery, 31 (4) pp. 174-178
2008 Surgical management of juvenile nasopharyngeal angiofibroma without angiographic embolization. Asian Journal of Surgery, 31 (4) pp. 174-178
2008 Surgical management of juvenile nasopharyngeal angiofibroma without angiographic embolization. Asian Journal of Surgery, 31 (4) pp. 174-178
2006 Vertical partial laryngectomy for glottic cancer; report of three cases. International Medical Journal Malaysia, 5 (2) pp.
2005 Laser versus dissection technique of tonsillectomy. Medical Journal of Malaysia, 60 (1) pp. 76-80
2005 Skin prick test reactivity to common airborne pollens and molds in allergic rhinitis patients. Medical Journal of Malaysia, 60 (2) pp. 194-200
Conference or Workshop Item

2016 Epidemiology of Nasopharyngeal Carcinoma (NPC) in Pahang, Malaysia. In: 3rd Pan Asian Biomedical Science Conference 2016,
2016 Predictors of perioperative complications following single or combination nasal palatopharyngeal surgery for severe obstructive apnea. In: Medical Research Symposium & Pacific Partnership in conjunction with Kuantan Research Day 2016,
2015 Perioperative complications following single or combination upper airway surgery for obstructive sleep apnea. In: Worldsleep 2015-The 7th World congress of The World Sleep Federation,
2011 Contrecoup injury in traumatic temporal bone fracture . In: The 14th Asean ORL- Head & Neck congress,,
2010 Extensive Inflammatory Pseudotumour of cranial base – a rare case which has responded well to cyclophosphamide and steroid therapy. In: MSO-HNS 30th AGM and 2nd International Otorhinolaryngology Head And Neck Conference, ,
2009 Dysphagia lusoria caused by an aberrant right subclavian artery. In: 14th National Conference on Medical and Health Sciences,
2007 Cross sectional study on relationship between plasma homocysteine levels with degree of sensorineural hearing loss. In: European Congress of Oto-Rhino-Laryngology Head and Neck Surgery,
2007 The outcome of facial nerve decompression via transmastoid approach in facial palsy secondary to the temporal bone fracture. In: American Academy of Otolaryngology – Head & Neck Surgery Foundation Meeting,
2007 Thyroglossal duct carcinoma : a case illustration. In: 11th Asia-Oceania ORL H&N Congress In connection with 8th Hearing International Annual Conference,
2006 Diagnosis and management decision in delayed posterior mediastinal abscess secondary to thoracic esophageal perforation following accidental fish bone ingestion. In: 40th Malaysia - Singapore Congress of Medicine,
2006 Reconstruction of lateral skull base defects with the trapezius myocutaneous flap: a description of two cases. In: 3rd World Congress of International Federation of Head & Neck Oncologic Societies, IFHNOS,
2005 Nasopharyngectomy via endoscopic assisted Lefort I osteotomy approach for early stage in recurrence nasopharyngeal cancer. In: XVII IFOS World Congress ,
2005 Surgical salvage via endoscopic assisted Lefort I osteotomy approach in recurrence nasopharyngeal carcinoma. In: 11th Asean ORL – Head & Neck Congress,
2005 The trapezius myocutaneous flap for reconstruction of latreral skull base defects. In: 25th Malaysia Society of Otolaryngologist-Head & Neck Surgeon Annual General Meeting,
2005 The value of magnetic resonance angiography in the evaluation and surgical management of head and neck pathology. In: 11th Asean ORL – Head & Neck Congress,
2004 Surgical management of Basal cell carcinoma of the auricle with temporal bone extension – a case illustration. In: 4th International Skull Base Congress,

2015 Predictors of peri-operative complications following single or combination nasalpalatopharyngeal surgery for severe obstructive sleep apnea. In: ,