CURRENT APPOINTMENTS

• Senior Consultant Dermatologist, National Skin Centre

• Chief Clinical Informatics Officer, National Skin Centre

• Chief, Photodermatology Unit, National Skin Centre

• Chairperson, Teledermatology Workstream, National Skin Centre

EDUCATIONAL ROLES

• Clinical Senior Lecturer, Yong Loo Lin School of Medicine, National University of Singapore

• Clinical Teacher, Lee Kong Chian School of Medicine, Nanyang Technological University

• Clinical Lecturer, Duke-NUS Medical School

• Faculty Member, Faculty Opinions Dermatology, Photodermatology

• Physician Faculty, Dermatology Residency Programme, National Healthcare Group (2018)

• Programme Director, Dermatology Symposium, 8th Medicine Review Course, 2016

• Track Leader and Co-Chair, Focus Session on Photodermatology and Psoriasis, Regional Congress of Dermatology 2016

• Faculty Member, Graduate Diploma in Family Practice Dermatology, NSC-NUS

• Organizing Co-Chair, DSS Annual Scientific Meeting 2019

• Organizing Committee, NSC Update in Dermatology and Venereology 2021

• Member, DSS Psoriasis Management Guidelines Workgroup (published in 2023)

• Co-Chair, Phototherapy and Photoprotection Workshop, World Congress of Dermatology 2023

• Co-Chair, Regional Dermatology (Teledermatology), World Congress of Dermatology 2023

WORK EXPERIENCE

House Officer

• Paediatric Medicine, KK Hospital, 2006

• Orthopaedic Surgery, National University Hospital, 2006

• Internal Medicine, National University Hospital, 2007

Medical Officer

• Cardiology, Tan Tock Seng Hospital, 2007

• Internal Medicine, National University Hospital, 2007/08

• Emergency Medicine, National University Hospital, 2008

• Rheumatology, Allergy & Immunology, Tan Tock Seng Hospital, 2008/09

• General Surgery, National University Hospital, 2009

• Internal Medicine, Changi General Hospital, 2009/10

Registrar

• Dermatology, National Skin Centre, 2010 – 2013

Associate Consultant

• Dermatology, National Skin Centre, 2013 – 2015

• Clinical Fellow in Dermatology, St John’s Institute of Dermatology, Guy’s & St Thomas’ Hospitals, London, 2014

Consultant

• Dermatology, National Skin Centre, 2015 – 2021

Senior Consultant

• Dermatology, National Skin Centre, 2021 – present

Visiting Consultant

• Paediatric Dermatology, KK Women’s and Children’s Hospital, 2013 – 2015

• Department of Dermatology, Khoo Teck Puat Hospital, 2013 – present

JOURNAL PUBLICATIONS

• Tay CS, Lateef F, Tan ES, Chan YH. SARS at the workplace: medical issues and legal complications. Management Development Journal of Singapore, 2004, Vol 12, No 1: 84-106.

• Giam YC, Tay CS, Tan ES, Chan YH, Chio MT, Goh CL. Basic elements of informed consent: a survey of medical professionals. Tolley’s Journal of Professional Negligence. 2006 Volume 22, No 4: 236-250.

• Tay CS, Tien SL, Tan ES, Chan YH, Ng RB. Recent developments in ethics and regulations of cloning and human stem cell research in Singapore: biotechnology in progress with responsibility. Tolley’s Journal of Professional Negligence. 2005, Vol 21, No 2: 92-102.

• Tan ES, Tang MB, Tan SH. Retrospective 5-year review of 131 patients with mycosis fungoides and Sézary syndrome seen at the National Skin Centre, Singapore. Australas J Dermatol 2006 Nov;47(4):248-52.

• Tang MB, Chong TK, Tan ES, Sun YJ, Tan SH. A comparative study of PCR detection of TCR-γ gene rearrangement using polyacrylamide gel electrophoresis versus capillary electrophoresis. Ann Acad Med Singapore 2008 Jan;37(1):27-31.

• Tang MB, Tan ES, Tan SH. Late onset Epstein-Barr virus-negative post-transplant lymphoproliferative disorder presenting as ulcerated necrotic papules and nodules in a renal transplant patient. Australas J Dermatol 2008 May;49(2):100-2.

• Tang MB, Tan ES, Tian EA, Loo SC, Chua SH. Electronic e-isotretinoin prescription chart: Improving physicians’ adherence to isotretinoin prescription guidelines. Australas J Dermatol 2009 May;50(2):107-12.

• Tang MB, Tan ES. Hailey-Hailey disease: effective treatment with topical cadexomer iodine. J Dermatolog Treat 2011 Oct;22(5):304-5.

• Tan ES, Tang MB, Guan KY, Lee JS, Cerroni L, Tan SH. A case of myeloid sarcoma with unusually extensive and rapidly progressive skin manifestations. Ann Acad Med Singapore 2011 Sep;40(9):424-6.

• Tan ES, Chong WS, Tey HL. Nail psoriasis: a review. Am J Clin Dermatol 2012 Dec;13(6):375-88.

• Tey HL, Tan ES, Tan FG, Tan KL, Lim IS, Tan AS. Reducing anxiety levels in pre-school children undergoing cryotherapy for cutaneous viral warts: use of a portable video player. Arch Dermatol 2012 Sep;148(9):1001-4.

• Tey HL, Tan ES, Tan AS. In reply: The utility of a portable video player in wart removal-reply. Arch Dermatol 2012 Dec 1;148(12):1425-7.

• Tan ES, Peng LL, Tang MB, Ooi SB. Dermatological disorders at the emergency department of a tertiary hospital in Singapore. Ann Acad Med Singapore 2013 Mar;42(3):155-6.

• Tan GF, Tan ES, Tey HL. Pruritic anogenital epidermolytic acanthomas: Effective symptom control with 0.1% tacrolimus ointment. Dermatol Ther 2014 Mar-Apr;27(2):113-6.

• Giam YC, Tan ES. Concepts and patterns of cutaneous mosaicism. Dermatology Bulletin, Vol 25 No. 1, 2014.

• Tan ES, AS Tan, Tey HL. Effective treatment of scrotal lichen simplex chronicus with 0.1% tacrolimus ointment: an observational study. J Eur Acad Dermatol Venereol 2015 Jul;29(7):1448-9.

• Tan ES, Ee HL, Shen L, Chua H, Chan YH, Tan SH. Basal cell carcinoma in Singapore: a prospective study on epidemiology and clinicopathological characteristics with a secondary comparative analysis between Singapore Chinese and Caucasian patients. Australas J Dermatol 2015 Aug;56(3):175-9.

• Tan ES, Sarkany R. Topical monobenzyl ether of hydroquinone is an effective and safe treatment for depigmentation of extensive vitiligo in the medium term: a retrospective cohort study of 53 cases. Br J Dermatol 2015 Jun;172(6):1662-4.

• Berki DM, Liu L, Choon SE, David Burden A, Griffiths CE, Navarini AA, Tan ES, Irvine AD, Ranki A, Ogo T, Petrof G, Mahil SK, Duckworth M, Allen MH, Vito P, Trembath RC, McGrath J, Smith CH, Capon F, Barker JN. Activating CARD14 Mutations Are Associated With Generalized Pustular Psoriasis but Rarely Account for Familial Recurrence in Psoriasis Vulgaris. J Invest Dermatol 2015 Dec;135(12):2964-70.

• Tan ES, Robson A, Lai-Cheong J, Wain ME. Interstitial granulomatous drug reaction induced by quetiapine. Clin Exp Dermatol 2016 Mar;41(2):210-1.

• Tan ES, Oon HB. Effective treatment of severe nail psoriasis using topical calcipotriol with betamethasone dipropionate gel. Indian J Dermatol Venereol Leprol 2016 May-Jun;82(3):345-7.

• Tan ES, Chong WS. Narrowband ultraviolet B phototherapy: knowing the do’s and don’ts. Dermatology Bulletin, Vol 27 No.1, 2016.

• Mahil SK, Twelves S, Farkas K, Setta-Kaffetzi N, Burden AD, Gach JE, Irvine AD, Képíró L, Mockenhaupt M, Oon HH, Pinner J, Ranki A, Seyger MM, Soler-Palacin P, Storan ER, Tan ES, Valeyrie-Allanore L, Young HS, Trembath RC, Choon SE, Szell M, Bata-Csorgo Z, Smith CH, Di Meglio P, Barker JN, Capon F. AP1S3 mutations cause skin autoinflammation by disrupting keratinocyte autophagy and up-regulating IL-36 production. J Invest Dermatol 2016 Nov;136(11):2251-2259.

• Mok ZR, Tan ES, Chong WS. Treatment of cutaneous plasmacytosis with mask-bath PUVA – A therapeutic option. Australas J Dermatol 2017 Feb;58(1):e1-4.

• Leow M, Tan ES. Efficacy of two different liquid nitrogen cryotherapy regimes in the treatment of plantar viral warts. J Dermatol Nurses Assoc Jul/Aug 2017;9(4):e1-5.

• Cao T, Tan ES, Chan YH, Yosipovitch G, Tey HL. Anti-pruritic efficacies of doxycycline and erythromycin in the treatment of acne vulgaris: a randomized single -blinded pilot study. Indian J Dermatol Venereol Leprol 2018 Jul-Aug; 84(4):458-460.

• Chen A, Beck KM, Tan ES, Koo J. Stigmatization in psoriasis. Journal of Psoriasis and Psoriatic Arthritis 2018; 3(3): 100-106.

• Twelves S, Mostafa A, Dand N, Burri E, Farkas K, Wilson R, Cooper HL, Irvine AD, Oon HH, Kingo K, Köks S, Mrowietz U, Puig L, Reynolds N, Tan ES, Tanew A, Torz K, Trattner H, Valentine M, Wahie S, Warren RB, Wright A, Bata-Csörgő Z, Szell M, Griffiths CEM, Burden AD, Choon SE, Smith CH, Barker JN, Navarini AA, Capon F. Clinical and genetic differences between pustular psoriasis subtypes. J Allergy Clin Immunol 2019; 143:1021-1026.

• Lim HJ, Tan ES, Tee SI, Ho ZY, Boey JJ, Tan WP, Tang MB, Shen L, Chan YH, Tan SH. Epidemiology and prognostic factors for mycosis fungoides and Sezary syndrome in a multi-ethnic Asian cohort: A 12-year review. J Eur Acad Dermatol Venereol 2019; 33:1513-1521.

• Kong YL, Chong WS, Tan ES. Guidelines on conventional and daylight photodynamic therapy in dermatology. Dermatology Bulletin, 2019.

• Shen MX, Lim DS, Tan ES, Oon HH, Ren EC. HLA correlations with clinical phenotypes and risk of metabolic comorbidities in Singapore Chinese psoriasis patients. Mol Diagn Ther 2019; 23:751-760.

• Chia BK, Chia GS, Tan ES, Chong WS. UVA1 phototherapy in Asian skin: A review of 159 cases in Singapore. Indian J Dermatol Venereol Leprol 2020; 86:162-168.

• Tay YX, Yang S, Tan ES, Thng S, Chong WS. Cutaneous non-tuberculous mycobacterial infection in Singapore: the "cubital forearm" sign - a complication of topical corticosteroid use. Australas J Dermatol 2021; 62:e421-423.

• Yew YW, Phuan CZ, Zhao XH, Tan ES, Chong WS, Tey HL. Novel transdermal device for delivery of triamcinolone for nail psoriasis treatment. Ann Acad Med Singap 2022, 51:16-23.

• Koh XQ, Oon HH, Chong WS, Lee B, Zhao XH, Tan ES. Clinical and Patient-Reported Outcomes from the First 4 Years of a Psoriasis Biologics Registry in Singapore (SINGPSOR). Exp Dermatol 2023; 32:2023-2028.

• Lim DS, Goon AT, Leow YH, Chong TY, Tan ES, Cheng SW. Photopatch Testing in Singapore: A Ten-Year Retrospective Study. Photodermatol Photoimmunol Photomed 2023; 39:642-647.

• Lee RR, Cai SC, Wong WS, Yew YW, Oon HH, Chong WS, Tey HL, Tan ES. Efficacy and safety of narrowband ultraviolet B versus combined ultraviolet A/narrowband ultraviolet B phototherapy in the treatment of chronic atopic dermatitis: A randomised double-blind study. Exp Dermatol 2024; 33:e15012.

• Oon HH, Tan CL, Aw DC, Chong WS, Koh HY, Leung YY, Lim KS, Pan JY, Tan ES, Tan KW, Tham SN, Theng CT, Wong SN. 2023 Guidelines on the Management of Psoriasis by the Dermatological Society of Singapore. Ann Acad Med Singap Sep 2024.

SCIENTIFIC PRESENTATIONS (POSTER)

• Giam YC, Tay CS, Tan ES, Chan YH, Chio MT, Goh CL. Basic Elements of Informed Consent: A Survey of Medical Professionals. National Healthcare Group Annual Scientific Congress, 2004.

• Tan ES, Tang MB, Tan SH. Retrospective 5-year review of 131 patients with mycosis fungoides and Sezary syndrome seen at the National Skin Centre, Singapore. Combined Scientific Meeting (Singapore), 2005.

• Tan ES, Tang MB, Tan SH. Hypopigmented mycosis fungoides in Asians: a review of 47 cases seen at the National Skin Centre, Singapore. Asian Society for Pigment Cell Research Congress 2007, National Healthcare Group Annual Scientific Congress, 2007.

• Tan ES, Tang MB, Tan SH. Childhood mycosis fungoides: a review of 33 patients at the National Skin Centre, Singapore. National Healthcare Group Annual Scientific Congress, 2008.

• Tan ES, Peng LL, Tang MB, Ooi SB. Dermatological disorders encountered at the emergency department of a tertiary hospital in Singapore. National Healthcare Group Annual Scientific Congress, 2009.

• Tan ES, Ee HL, Shen L, Chua H, Chan YH, Tan SH. Basal cell carcinoma in Singapore: a prospective study on epidemiology and clinicopathological characteristics with a comparative analysis between Singapore Chinese and Caucasian patients. 20th Congress of the European Academy of Dermatology and Venereology, Lisbon, 2011.

• Tan ES, Tan AS, Tey HL. 0.1% tacrolimus ointment in the treatment of scrotal lichen simplex chronicus: An open-label study. American Academy of Dermatology Annual Meeting, 2013.

• Tan ES, Giam YC. Cutaneous mosaicism: concepts and interesting cases from the National Skin Centre, Singapore. Dermatological Society of Singapore Annual Scientific Meeting, 2013.

• Tey HL, Tan ES, Tan AS. Scrotal lichen simplex chronicus: Treatment with 0.1% tacrolimus ointment. 7th World Congress on Itch, Boston, 2013.

• Yeo B, Tan ES, Chong WS. A retrospective review on the use of 308nm Excimer lamp phototherapy at the National Skin Centre, Singapore. NSC Dermatology & Venereology Update 2015.

• Tan ES. Successful treatment of recurrent nodular basal cell carcinoma with methyl aminolevulinate-photodynamic therapy. Euro-PDT 17th Annual Congress, Nice, 2018.

• Cai SC, Robinson K, Tan ES, Tey HL, Reversade B, Zhong F. Inflammasome Signalling and Translocation of Apoptotic Speck-like Protein Containing a Caspase Activation and Recruitment Domain (ASC) in Psoriatic Keratinocytes. International Investigative Dermatology Conference, Orlando, 2018.

• Tan CH, Leung AJ, Oon HH, Pan JY, Chong WS, Tan ES. Effectiveness of an electronic reminder system for screening metabolic syndrome in patients with psoriasis. Singapore Healthcare & Biomedical Congress 2018.

• Cai SC, Robinson K, Tan ES, Tey HL, Reversade B, Zhong F. Elucidating the Role of Innate Immunity involving IL-1 Cytokines and Inflammasome Signaling Pathways in the Pathogenesis of Plaque Psoriasis. NSC Dermatology & Venereology Update 2018.

• Tan CH, Leung AJ, Oon HH, Pan JY, Chong WS, Tan ES. Effectiveness of an electronic reminder system for screening metabolic syndrome in patients with psoriasis. NSC Dermatology & Venereology Update 2018.

• Cai SC, Robinson K, Tan ES, Tey HL, Reversade B, Zhong F. Elucidating the role of innate immunity involving IL-1 cytokines and inflammatory signaling pathways in the pathogenesis of psoriasis. American Academy of Dermatology Annual Meeting, 2020.

• Koh XQ, Oon HH, Chong WS, Zhao XH, Tan ES. Interim analysis of clinical and patient-reported outcomes from the first 4 years of the National Skin Centre Psoriasis Biologics Registry, Singapore (SINGPSOR). NSC Dermatology & Venereology Update, 2021.