Associate Professor Choon Siew Eng

Associate Professor (Practice)

Jeffrey Cheah School of Medicine & Health Sciences

Email: Siew.Choon@monash.edu
Tel: +607 2190 600
Office: Clinical School Johor Bahru

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Profile Summary

Dr Choon Siew Eng is Associate Professor (Practice) at Clinical School Johor Bahru, Monash University Malaysia, specialising in clinical dermatology.

Academic Qualifications

  • MBBS (Malaya)
  • MRCP (UK)
  • Diploma in Dermatology (London)
  • Diploma in Genitourinary Medicine (London)
  • FRCP (London)

Current Appointments

  • Senior Consultant Dermatologist, Hospital Sultanah Aminah Johor Bahru, Malaysia
  • Associate Professor (Practice), Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia

Membership / Affiliations / Contributions in Organisations

  • International Psoriasis Council
  • Global Consensus Group for development Core Outcome Measures for Hidradenitis suppurativa usinf DELPH method (2006 till current)
  • Asian Academy of Dermatology and Venereology
  • Steering Committee member for PEARLS, Asia-Paciific initiative
  • Dermatological Society of Malaysia
  • International League of Dermatological Societies
  • Malaysian Medical Association
  • Academy of Medicine, Malaysia
  • Royal College of Physicians United Kingdom
  • Psoriasis Association of Asia (PsorAsia MD)
  • Psoriasis Associationn Of Johor
  • Tzu Chi volunteer for medical camp
  • Malaysian Leprosy Relief Association (MALRA)

Research Interests

  • Inflammatory skin diseases such as psoriasis, atopic eczema and Hidradenitis suppurativa
  • Cutaneous adverse drug reaction

On-going investigator-initiated trials

  • Genetic Study on cutaneous adverse drug reactions collaboration with Professor Wen-Hung Chung, Chang Gung Memorial hospital, Taipei.
  • Genetic research in psoriasis: examination of interplay between Genotype and Phenotype with Francesca Capon dan Jonathan Barker
  • National psoriasis registry. Principal Investigator for Johor.
  • Clinical and Immunological Factors in Severe Cutaneous Adverse Reaction
  • Psoriasis and its comorbidities: a cross sectional study in Johor Bahru, Malaysia
  • Impact of eczema action plan (EAP) on disease severity and quality of life for childhood atopic eczema
  • Clinical Profile of Patients with Lichen Planus
  • Lucio Leprosy/Phenomenon in Johor

Industry-sponsored trials

Principal Investigator

  • A randomized, double-blind, multicenter study assessing short (16 weeks) and long-term efficacy (up to 1 year), safety, and tolerability of 2 subcutaneous secukinumab dose regimens in adult patients with moderate to severe hidradenitis suppurativa (SUNRISE) (Awaiting MREC approval)
  • Multi-center, double-blind, randomized, placebo-controlled, Phase II study to evaluate efficacy, safety and tolerability of a single intravenous dose of BI 655130 in patients with Generalized Pustular Psoriasis (GPP) presenting with an acute flare of moderate to severe intensity (awaiting MREC approval)

Completed research in process of report writing and dissemination of results

    • Assessment of Serum 25-HYDROXYVITAMIN D Levels in Children with Atopic Dermatitis NMRR-16-1932-32898
      Second prize for free paper session presented by trainee, 43rd Annual Dermatology Conference 27-30 September 2018
    • A retrospective study of the clinical profile, mortality and long-term sequelae of Steven Johnson Syndrome /Toxic Epidermal Necrolysis NMRR 1624429288 (Just finished 2017)
      3rd prize in Monash Research week 2016 as proposal
    • Validation of the Malay Autoimmune Bullous Disease Quality of Life (ABQOL) and Treatment of Autoimmune Bullous Disease Quality of Life (TABQOL) questionnaires
      Presented as poster in 22th Regional Conference of Dermatology 2016, Singapore; Preparation of Manuscript
    • Mucocutaneous manifestation and evaluation of sun protection awareness in renal transplant recipients
      Presented in Annual Dermatology Congress of the Malaysian Society of Dermatologist 2015; Preparation of Manuscript

Recent Publications

Please refer to the full academic profile for the complete list of publications.

Peer-reviewed publications

Bachelez H, Choon SE, Marrakchi S, et al. Inhibition of the Interleukin-36 Pathway for the Treatment of Generalized Pustular Psoriasis. N Engl J Med 2019; 380:981-983 DOI: 10.1056/NEJMc1811317

Wang YH, Chen CB, Tassaneeyakul W, Saito Y, Aihara M, Choon SE et al The Medication Risk of Stevens-Johnson Syndrome and Toxic Epidermal Necrolysis in Asians: The Major Drug Causality and Comparison to the USA FDA Label. Clinical Pharmacology & Therapeutics 2019;105(1)112-120

Twelves S, Mostafa A,Nick Dand, Elias Burri, Katalin Farkas, Rosemary Wilson, Hywel L. Cooper, Alan D. Irvine,Hazel H. Oon, Kulli Kingo, Sulev Koks, Ulrich Mrowietz, Luis Puig, MD,Nick Reynolds, Eugene Sern-Ting Tan,Adrian Tanew, Kaspar Torz, Hannes Trattner,Mark Valentine,Shyamal Wahie,Richard B. Warren, Andrew Wright,Zsuzsa Bata-Csorg  Marta Szell, Christopher E. M. Griffiths,David Burden,Siew-Eng Choon,Catherine H. Smith,Jonathan N. Barker,Alexander A. Navarini, and Francesca Capon. Clinical and genetic differences between pustular psoriasis subtypes. J Allergy Clin Immunol. 2019 Mar;143(3):1021-1026

Senhong Lee, Wen Min Law, Nalini M Nanu, Kwee Eng Tey, Siew Eng Choon.Clinical Profile of 128 Patients with Lichen Planus seen in Hospital Sultanah Aminah Johor Bahru, Johor. Med J Dermatol  2018 ;41:15-20

Siew Eng Choon, Yi Shan Der, Nai Liang Joel Lai, et al. . Clinical characteristics, culprit drugs and outcome of patients with Acute Generalised Exanthematous Pustulosis seen in Hospital Sultanah Aminah, Johor Bahru Med J Malaysia Vol 73 No 4:220-225

Yee EY, Choon SE. Erythematous verrucous plaque on the hand. Cutis. 2018;102(4):223;230;231.

S Twelves , A Mostafa , Z Bata-Cso¨rg , M Szell , CEM Griffiths , D Burden , S Choon, et al. Features of pustular psoriasis observed in 863 patients: Clinical and genetic analysis of a multi-ethnic cohort. J Invest Dermatol. 2018;138:54

Chen WT, Wang CW, Lu CW, Chen CB, Lee HE, Hung SI, Choon SE, Yang CH, Liu MT, Chen TJ, Fan WL, Su SC, Lin YY, Chang YC, Chung WH. The function of HLA-B*13:01 involved in the pathomechanism of dapsone-induced severe cutaneous adverse reactions. J Invest Dermatol. 2018 Feb 16. doi: 10.1016/j.jid.2018.02.004

L. Thorlacius, A. Garg, J.R. Ingram, S.E. Choon, H.H. van der Zee,, R. Christensen, G.B.E. Jemec. Towards global consensus on core outcomes for Hidradenitis Suppurativa research: An update from the HISTORIC consensus meetings I and II. Accepted by Bri J Dermatol Oct 2017 Accepted manuscript online: 28 OCT 2017 08:40AM EST | DOI: 10.1111/bjd.16093

SE Choon. Generalized Pustular psoriasis: Invited review article. Malaysian J Dermatology 2017;39:1-9

RSA Raja Mohd Radzi, Tey KE, Choon SE, Lee MY. Angiosarcoma Mimicking Rhinophymatous Rosacea. Malaysian J Dermatology 2017;39:53-5

L Selvarajah, Choon SE, Tey KE, Chee YN. Clinical features and prognostic factors of cutaneous vasculitis among dermatology patients in Johor Bahru. Medical J Malaysia 2017;72(6): 345-9

Selvarajah L, Choon SE. Incidence of adverse cutaneous drug reaction among medical inpatients, Hospital Sultanah Aminah, Johor Bahru. Medical Journal of Malaysia 2017;72(3):151-6

Goh WS, Tey KE, Choon SE, Yabitha V. A case report of Acne Agminata. Malaysian J Dermatology 2017;38:87-90

Lau BW, Lim DZ, Capon F, Barker J, Choon SE. Juvenile generalized pustular psoriasis is a chronic recalcitrant disease: an analysis of 27 patients seen in a tertiary hospital in Johor, Malaysia. International J Dermatol 2017;56(4):392-399

Yap EWY, Lee S, Tey KE, Choon SE. Widespread indurated plaques and nodules. Ind J Dermatol 2017; 62(3): 325–327.

Siew Eng Choon, Chin Fang Ngim, et al. Clinico-epidemiological profile, including body mass index, of Malaysian children with psoriasis. Medical Journal Malaysia 2017;71(4):166-71

CC Chang, CC Ng, CL Too, SE Choon, et al. Association of HLA-B*15:13 and HLA-B*15:02 with phenytoin-induced severe cutaneous adverse reactions in a Malay population. The Pharmacogenomic Journal 2017;17:170-3

Youn SW, Tsai TF, Theng C, SE Choon, et al. The Marco Polo Study of Ustekinumab utilization and efficacy in a real-world setting: Treatment of patients with plaque psoriasis in Asia-Pacific countries. Ann Dermatol 2016;28 (2):222-231

Mahil SK, Twelves S, Farkas K,---------SE Choon----. AP1S3 mutations cause skin autoinflammation by disrupting keratinocyte autophagy and up-regulating IL-36 production. J Investigative Dermatology 2016;136(11):2251-9

Selvarajah L, Choon SE, Tarekh NA, Chhetri  AD.Cerebral tuberculoma with pulmonary tuberculosis in a patient with psoriasis while on adalimumab, an anti-TNFα agent. International J Dermatol 2016;55(2):e115-e117

D Berki, SE Choon, AD Burden, C Griffiths, C Smith, J Barker, F Capon. A unifying molecular mechanism underlying the association of CARD14 alleles with autoinflammatory and T-cell mediated skin disorders. Pediatric Rheumatology 2015, 13(Suppl 1):O50

D Berki,  AD Burden, SE Choon, C Griffiths, C Smith, J Barker, F Capon Genetic analysis of CARD14 mutations in an extended pustular psoriasis resource. Bri J Dermatology 2015 E34

Dorottya Berki, Liu Lu, Siew-Eng,Choon Burden David, Griffiths Christopher, Navarini Alexander etc. Activating CARD14 mutations are associated with generalized pustular psoriasis but rarely account for familial recurrence in psoriasis vulgaris. Journal of Investigative Dermatology J Invest Dermatol. 2015;135:2964-2970

Safia Hussain, Dorottya Berki, Siew-Eng Choon, et al. IL36RN mutations define a severe auto-inflammatory phenotype of generalized pustular psoriasis. J Allergy Clin Immunol 2015;135:1067-1070

Lee S, Shariman MS, Teoh TZ, Choon SE. Verrucous hemangioma in a 10-year-old girl. Malaysian Journal of Dermatology 2015;34:23-25 http://www.dermatology.org.my/pdf/Journal%20jul%202015.pdf

Xiang Y Han, Fleur M Aung, Siew Eng Choon, Betina Werner. Analysis of Mycobacterium leprae and Mycobacterium lepromatosis in 4 countries. Am J Clin Pathol 2014;142:524-532

Wen-Hung Chung, Wan-Chun Chang,Yun-Hsien Lee,-------Siew-Eng Choon, et al. Genetic Variants Associated With Phenytoin-Related Severe Cutaneous Adverse Reactions. JAMA 2014;312(5):525-534

N Setta-Kaffetzi, M Simpson, A A Navarini, VM Patel,HLu,M Allen, M Duckworth. H Bachelez, A D Burden, SE Choon, et al. AP1S3 mutations are associated with pustular psoriasis and impaired Toll-like receptor 3 trafficking. The American Journal of Human Genetics 2014;94(5):790-7

EWY Yap, Lee BS, San VE, See CKL, Wong NKL, SE Choon. Dermatomyositis: Clinical Profile and Association with Malignancies in 43 patients. Malaysian J Dermatol Dec 2014;33:2-8

Siew Eng Choon, Nai Meng Lai, Norshaleyna Mohammad, et al. Clinical profile, morbidity and outcome of adult-onset Generalised Pustular Psoriasis: Analysis of 102 cases seen in a tertiary hospital in Johor, Malaysia. International J Dermatol 2014;53(6):676-84

SE Choon, LC Chan. Malaysian Clinical Practice Guidelines for the Management of Psoriasis Vulgaris: Summary of recommendations. Malaysian Journal of Dermatology 2014;32:2-12

SE Choon, LC Chan. Malaysian Clinical Practice Guidelines for the Management of Psoriasis Vulgaris: Summary of recommendations for management in primary healthcare setting. Malays Fam Physician 2013;9:16-21

Chee YC, Choon SE.Classic Dermatomyositis following breast cancer: a case report. Malaysian Journal of Dermatology 2013;31:26-29

Low Zhi Mei, Tey Kwee Eng, Choon Siew Eng. Chronic Arsenic Poisoning associated Multiple Skin Malignancies. Malaysian Journal of Dermatology 2013;30:30-34

Setta-Kaffeti N, Navarini A, Patel V, Pulabathla V, Pink A, Choon SE, et al. Rare pathogenic variants in IL36RN underlie a spectrum of psoriasis-associated pustular phenotypes.  J Invest Dermatol 2013;133:1366-9

Amy S. Paller, Katherine Mercy, Mary J. Kwasny, Siew Eng Choon, et al. The Association of Pediatric Psoriasis Severity with Excess and Central Adiposity: An International Cross-sectional Study.  JAMA Dermatol 2013;149(2):166-176

Misc

Co-author of chapter on Skin Diseases in Mainland Southeast Asia for book “Dermatology for Skin of Color” 2nd Edition. McGraw Hill Education. 2016 Editors; Paul Kelly, Susan Taylor, Henry Lim, Ana Maria Anido Serrano.

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Scholarships / Fellowship Awards

  • Awarded Public Service Department (PSD) scholarship 1987-1989 to specialise in Dermatology and Genitourinary Medicine in United Kingdom
  • Awarded KOICA ( Korean International Corporation Agency ) Fellowship to attend an International course on Serological Testings for Syphilis in the Department of Dermatology, Yonsei University, Seoul from 29 May – 15 June 1991
  • Awarded the World Health Organization (WHO) fellowship to study laboratory tests on Leprosy in School of Tropical Medicine and Social Hygiene in London from 3 – 28 July 1995
  • Awarded Public Service Department. Fellowship to study Dermatopathology in United Kingdom 2003-2004

Outstanding Research Recognition

Associate Professor Dr Choon Siew Eng's publication has been featured in The New England Journal of Medicine (NEJM), one of the most prestigious peer-reviewed medical journals with an impact factor (2017) of 79.25.

Dr Choon’s publication is a phase 1 proof of concept study on the safety and efficacy of IL36R inhibitor in the treatment of generalized pustular psoriasis and has been published as a correspondence in NEJM. This publication and the studies involved have put Malaysia on international psoriasis stage.

Editorial/Reviewer Experience

  • Malaysian Journal of Dermatology- Associate Editor 2007-2008
  • Johor State Journal – Editor
  • Reviewer for Journal of Experimental and Investigative Dermatology,
  • Reviewer for British Journal of Dermatology
  • Reviewer for Archives of Dermatology
  • Reviewer for International Journal of Dermatology
  • Reviewer for Journal of the European Academy of Dermatology and Venereology
  • Reviewer for National CPG for the Management of Acne

Free Paper/Poster Presentations

In Malaysia

Latha Selvarajah, Siew Eng Choon. Classic Kaposi Sarcoma in an immunocompetent Asian. Eposter No.23. 41st Annual Dermatology Conference on 15th -18th September 2016, Pullman Kuching Hotel, Sarawak

Yoong Wei Lee, Siew Eng Choon, Yabitha Vasavan Dermatofibrosarcoma Protuberans: A Rare Cutaneous Sarcoma. Eposter No.23. 41st Annual Dermatology Conference on 15th -18th September 2016, Pullman Kuching Hotel, Sarawak

Raja Siti Aishah, Siew Eng Choon, Siew Eng Tey, Ming Yen Lee2 Angiosarcoma Mimicking Rhinophymatous Rosacea. Eposter No.29. 41st Annual Dermatology Conference on 15th -18th September at Pullman Kuching Hotel, Sarawak

Evelyn WY Yap1, KE Tey1, Md Shah MS2, Cheng JF1, Choon SE1 Primary Cutaneous Lymphoma in Johor Bahru, Malaysia - High Frequency of Hypopigmented Mycosis Fungoides with Younger Onset. Eposter No.30. 41st Annual Dermatology Conference on 15th -18th September at Pullman Kuching Hotel, Sarawak

Yap EWY, KE Tey, SE Choon Mucocutaneous manifestation and evaluation of sun protection awareness in renal transplant recipients. Free paper. 40th Annual Dermatology Congress 12-17 September 2015, Ipoh, Perak

Teoh Tze Yuen, Choon Siew Eng Nevoid Basal Cell Carcinoma Syndrome : Report of 3 Cases. ePoster 40th Annual Dermatology Congress 12-17 September 2015, Ipoh, Perak

Yap EWY, KE Tey, SE Choon A case of extranodal Rosai Dorfman Disease: Widespread indurated plaques and nodules with haemolytic anaemia. Mid-term meeting of Dermatology Society of Malaysia 24-25th April 2015, Kuala Lumpur

Teoh Tze Yuen, KE Tey, SE Choon. Sporotrichosis:10 year review of 13 cases in hospital Sultanah Aminah. Free paper. 39th Annual Dermatology Congress 15-18 September 2014, Penang

Latha Selvarajah, Siew Eng Choon.Spectrum of Cutaneous Vasculitis in 275 patients in Johor, Malaysia. Free paper. 39th Annual Dermatology Congress 15-18 September 2014, Penang

Yap EWY, KE Tey, SE Choon Peripheral T-Cell Lymphoma , NOS: More than meets the eye! Free paper. 39th Annual Dermatology Congress 15-18 September 2014, Penang

Ho SY, Yeap SJL, Goh CC Ng SH, Koh EYC, Choon SE. A re-audit on the use of assessment tools to measure the severity of psoriasis in Hospital Sultanah Aminah Johor Bahru. Free paper. 39th Annual Dermatology Congress 15-18 September 2014, Penang

Choon SE, Selvarajah L, Tarekh NA, Chhetri AD.Cerebral tuberculoma with pulmonary tuberculosis in a patient with psoriasis while on adalimumab, an anti-TNFα agent. 37rd Annual General Meeting and Dermatology Congress. Kuantan 21-24 September 2013

Yap EWY, KE Tey, SE Choon. A case of pyoderma gangrenosum with myelodysplastic syndrome. 37rd Annual General Meeting and Dermatology Congress. Kuantan 21-24 September 2013

Yap EWY, KE Tey, SE Choon. A Case of Penicillosis. CPC meeting 2013 in HUKM, Kuala Lumpur

Yap EWY, SE Choon. Chromoblastomycosis: Not all verrucous plaques are skin cancers! Johor Scientific Meeting 2013

In overseas 

James G Krueger, Hervé Bachelez , Siew Eng Choon , Slaheddine Marrakchi , A David Burden , Tsen-Fang Tsai , Akimichi Morita , Hamida Turki , David B Hall , Chandrasena Pamulapati , Patrick Baum, Steven J Padula , Christian Thoma.The therapeutic efficacy of BI 655130, an anti-interleukin-36 receptor antibody, in patients with acute generalized pustular psoriasis is associated with the downregulation of inflammatory and tissue remodeling genes in lesional skin.  American Academy of Dermatology Annual Meeting 1-5 March 2019, Washington USA

Hervé Bachelez , Siew Eng Choon , Slaheddine Marrakchi , A David Burden , Tsen-Fang Tsai , Akimichi Morita , Hamida Turki , David B Hall , Chandrasena Pamulapati , Patrick Baum, Steven J Padula , Christian Thoma. Efficacy and safety of BI 655130, an anti-interleukin-36 receptor antibody, in patients with a moderate-to-severe generalized pustular psoriasis flare” was presented at the 2018 3rd Inflammatory Skin Disease Summit, 12-15 December, Vienna, Austria.

Hervé Bachelez , Siew Eng Choon , Slaheddine Marrakchi , A David Burden , Tsen-Fang Tsai , Akimichi Morita , Hamida Turki , David B Hall , Chandrasena Pamulapati , Patrick Baum, Steven J Padula , Christian Thoma. Efficacy and safety of BI 655130, an anti-interleukin-36 receptor antibody, in patients with acute generalized pustular psoriasis. Oral presentation. Late breaking abstract. 27th European Academy of Dermatology and venereology Congress 12-16 September 2018, Paris, France

Sophie Twelves1, Katalin Farkas2, Siew Eng Choon3 ,et al The genetic analysis of a large pustular psoriasis resource highlights differential effects for IL36RN and AP1S3 mutations. 8th International Congress on Psoriasis: Gene tto clinic 2017; 30 November to 2nd December 2017

Bi Wen Lau1, Dee Zhen Lim1, Francesca Capon2 PhD, Jonathan N Barker2 FRCP, Siew Eng Choon3 FRCP Juvenile generalized pustular psoriasis is a chronic recalcitrant disease: an analysis of 27 patients seen in a tertiary hospital in Johor, Malaysia. Accepted as poster, European Academy of Dermatology and Venereology conference, Vienna, Austria,28 September -3 October 2016

SE Choon, EWY Yap, KE Tey Peripheral T-Cell Lymphoma, Nos: More Than Meets The Eye. 23rd World Congress of Dermatology, Vancouver , Canada, June 2015

SE Choon, L Selvarajah.Spectrum Of Cutaneous Vasculitis In 275 Patients In Johor Bahru, Malaysia. 23rd World Congress of Dermatology, Vancouver , Canada, June 2015

SE Choon, CF Ngim, P Supramaniam, KE Tey, N M Nanu. Clinical Profile Including Body Mass Index Of Malaysian Children With Psoriasis: A Case-Control Study Of 92 Patients. 23rd World Congress of Dermatology, Vancouver, Canada, June 2015

Senhong Lee, Shariman M, Siew Eng Choon. Free paper. Clinicopathological gems; Verrucous hemangioma in a 10 year-old.  36th Annual Meeting Australasian Dermatopathology Society. October 23.- 25, 2015. Sydney, New South Wales Australia

Zhimei Low, KE Tey, SE Choon. Chronic Arsenic Poisoning associated with multiple skin malignancies. 2nd Global Advances and Controversies in Skin Cancer Conference, 29 – 31 October  2015, Melbourne, Australia.

Yap EWY, Lee BS, San VE , See CKL , Wong NKL , Choon SE. Poster. Dermatomyositis: Clinical Profile and Association with Malignancies in 43 Patients. Regional Conference of Dermatology 2014, Danang, Vietnam

Francesca, Safia Hussain, Dorottya Berki, Siew-Eng Choon, et al Free communication. IL36RN mutations define a severe, early onset subtype of  generalized pustular psoriasis. 7th International Congress; Psoriasis:From gene to clinic. 11-13 December 2014, London UK

Dorottya Berki, Burden David, Siew-Eng,Choon, et al. The p.Asp176His CARD14 variant is associated with generalized pustular psoriasis with concurrent psoriasis vulgaris. 7th International Congress; psoriasis:From gene to clinic. 11-13 December 2014, London UK

N Setta-Kaffetzi,M Simpson, A A Navarini, VM Patel,HLu,M Allen, SE Choon, et al. Characterization of a new pustular psoriasis gene.  7th International Congress; Psoriasis:From gene to clinic. 11-13 December 2014, London UK

Capon F et al: OR6-006 – IL35RN alleles in skin auto inflammation . 7th Congress of International Society of Systemic Auto-Inflammatory Diseases(ISSAID) Lausanne, Switzerland 22-26 May 2013

Invited Speaker (National, Regional and International Conferences and Meetings)

Siew Eng Choon. The 10th International Congress on Cutaneous Adverse Drug Reactions, Shimane, Japan, 10-11 November 2018

Siew Eng Choon. 23rd Regional Conference of Dermatology, Surabaya, Indonesia, 6-11 August 2018

Siew Eng Choon. Immunology Master Class 2017, Manila, Philippines 8-10 April 2018

Siew Eng Choon. 23rd Annual Meeting of Chinese Society of Dermatology, Chongqing, China on May 11-14, 2017

Siew Eng Choon. HS Summit organised by Taiwanese Society for Dermatological and Aesthetic Surgery (TSDAS) Taipei, 9 April 2017

Siew Eng Choon. Immunology Master Class 2017, Bangkok, Thailand 1-2 April 2017

Siew Eng Choon. 22nd Regional Conference (Asian-Australasian) of Dermatology, Singapore 20-24 April 2016

Siew Eng Choon. Mid-term meeting of Dermatology society of Malaysia, Kuala Lumpur 26-27 March 2016

Siew Eng Choon. Taiwan Severe Cutaneous Adverse Drug Reaction (SCAR) meeting, Taipei, Taiwan 28-29 November 2015

Siew Eng Choon. Mid-term meeting of Dermatology Society of Malaysia Kuala Lumpur 24-25 April 2015

Siew Eng Choon. Psoriasis Academy of Japan Meeting, Tokyo, 18-19 April 2015

Siew Eng Choon 21th Regional (Asian-Australasian) Conference of Dermatology, Danang, Vietnam, 9-12 April 2014.

Siew Eng Choon. DRESS (Drug Rash with Eosinophilia and Systemic Symptoms)/DIHS in Malaysia. 8th International Congress on Adverse Cutaneous Drug Reactions. Chang Gung University, Taipei, Taiwan. 14-17 November 2013

SE Choon. Improving care of patients with psoriasis. 37rd Annual General Meeting and Dermatology Congress. Kuantan 21-24 Septemer 2013