Stephen P. Shumack, OAM, MB BS, FACD


St. George Dermatology & Skin Cancer Centre

Level 3, 22 Belgrave Street
Kogarah, New South Wales, Australia
02 9587 4277


Specialty: Dermatology

Dr. Stephen Shumack, Dermatologist

Research Interests: Acne, Actinic Keratoses, Atopic Dermatitis (Eczema), Onychomycosis, Psoriasis, Seborrheic Dermatitis


Dr. Stephen Shumack has been practicing dermatology for over 20 years at 2 large private practices located in Sydney and Kogarah. Dr. Shumack is well known in the community following his time as the principal media spokesperson in Australia for Dermatology and was awarded a medal in the Order of Australia for his services to Dermatology and the community. He continues to work closely with the community and his colleagues at Royal North Shore Hospital of Sydney, the Skin and Cancer Foundation and Epiderm (Australian Dermatology Research and Education Foundation).

At St. George Dermatology in Kogarah, Dr. Shumack has participated in numerous clinical research studies for dermatological conditions including psoriasis, tinea, acne and skin cancers. He has co-authored on a number of publications for actinic keratoses, basal cell carcinoma and psoriasis. Dr. Shumack and his research team continue to be involved in a number of clinical research trials as part of their ongoing interest in education and diagnostics.

Click to view Dr. Stephen Shumack's Publications

Mulcahy A, Mulligan SP, Shumack SP. Recommendations for skin cancer monitoring for patients with chronic lymphocytic leukemia. Leuk Lymphoma 2017 Aug 3: 1-5 [Epub ahead of print]. PMID: 28771053 / doi: 10.1080/10428194.2017.1349903

Harris V, Shumack S. Neutrophilic dermatosis of hands preceding extensive small cell lung cancer. Australas J Dermatol 2017 Aug; 58(3): 243-5. PMID: 28853152 / doi: 10.1111/ajd.12670

Mulcahy A, Shumack S, Lim A, Cheung K. Mucinous Naevus: A case of suboptimal response to laser treatment. Australas J Dermatol 2017 Jun 22 [Epub ahead of print]. PMID: 28639304 / doi: 10.1111/ajd.12588

Lee A, Sandhu S, Imlay-Gillespie L, Mulligan S, Shumack S. Successful use of Bruton's kinase inhibitor, ibrutinib, to control paraneoplastic pemphigus in a patient with paraneoplastic autoimmune multiorgan syndrome and chronic lymphocytic leukaemia. Australas J Dermatol 2017 Mar 13 [Epub ahead of print]. PMID: 28295171 / doi: 10.1111/ajd.12615

Tong PL, West NP, Cox AJ, Gebski VJ, Watts AM, Dodds A, de St Groth BF, Cripps AW, Shumack S. Oral supplementation with bovine whey-derived Ig-rish fraction and lactoferrin improves SCORAD and DLQI in atopic dermatitis. J Dermatol Sci 2017 Feb; 85(2): 143-6. Epub 2016 Dec 13. PMID: 28012820 / doi: 10.1016/j.jdermsci.2016.11.009

See JA, Shumack S, Murrell DF, Rubel DM, Fernández-Peñas P, Salmon R, Hewitt D, Foley P, Spelman L. Consensus recommendations on the use of daylight photodynamic therapy with methyl aminolevulinate cream for actinic keratoses in Australia. Australas J Dermatol 2016 Aug; 57(3): 167-74. Epub 2015 May 31. PMID: 26033230 / doi: 10.1111/ajd.12354

Gordon KB, Blauvelt A, Papp KA, Langley RG, Luger T, Ohtsuki M, Reich K, Amato D, Ball SG, Braun DK, Cameron GS, Erickson J, Konrad RJ, Muram TM, Nickoloff BJ, Osuntokun OO, Secrest RJ, Zhao F, Mallbris L, Leonardi CL; UNCOVER-1 Study Group; UNCOVER-2 Study Group; UNCOVER-3 Study Group. Phase 3 Trials of Ixekizumab in Moderate-to-Severe Plaque Psoriasis. N Engl J Med 2016 Jul 28; 375(4): 345-56. Epub 2016 Jun 8. PMID: 27299809 / doi: 10.1056/NEJMoa1512711

Spelman L, Rubel D, Murrell DF, See JA, Hewitt D, Foley P, Salmon R, Kerob D, Pascual T, Shumack S, Fernandez-Penas P. Treatment of face and scalp solar (actinic) keratosis with daylight-mediated photodynamic therapy is possible throughout the year in Australia: Evidence from a clinical and meteorological study. Australas J Dermatol 2016 Feb; 57(1):24-8. Epub 2015 Mar 31. PMID: 25827200 / doi: 10.1111/ajd.12295

Werner RN, Stockfleth E, Connolly SM, Correia O, Erdmann R, Foley P, Gupta AK, Jacobs A, Kerl H, Lim HW, Martin G, Paquet M, Pariser DM, Rosumeck S, Röwert-Huber HJ, Sahota A, Sangueza OP, Shumack S, Sporbeck B, Swanson NA, Torezan L, Nast A. Evidence- and consensus-based (S3) Guidelines for the Treatment of Actinic Keratosis - International League of Dermatological Societies in cooperation with the European Dermatology Forum - Short version. J Eur Acad Dermatol Venereol 2015 Nov; 29(11): 2069-79. Epub 2015 Sep 14. PMID: 26370093 / doi: 10.1111/jdv.13180

See JA, Shumack S, Murrell DF, Rubel DM, Fernández-Peñas P, Salmon R, Hewitt D, Foley P, Spelman L. Consensus recommendations on the use of daylight photodynamic therapy with methyl aminolevulinate cream for actinic keratoses in Australia. Australas J Dermatol 2015 May 31. [Epub ahead of print]. PMID: 26033230 / doi: 10.1111/ajd.12354

Anderson L, Jarratt M, Schmieder G, Shumack S, Katsamas J, Welburn P. Tolerability and Pharmacokinetics of Ingenol Mebutate 0.05% Gel Applied to Treatment Areas up to 100cm(2) on the Forearm(s) of Patients with Actinic Keratosis. J Clin Aesthet Dermatol 2014 Dec; 7(12):19-29. PMID: 25584134

Shumack SP. Skin tumour basics for beginners. Med J Aust 2014 Dec 11; 201(11): 693. PMID: 25495326

Rubel DM, Spelman L, Murrell DF, See JA, Hewitt D, Foley P, Bosc C, Kerob D, Kerrouche N, Wulf HC, Shumack S. Daylight photodynamic therapy with methyl aminolevulinate cream as a convenient, similarly effective, nearly painless alternative to conventional photodynamic therapy in actinic keratosis treatment: a randomized controlled trial. Br J Dermatol 2014 Nov; 171(5): 1164-71. Epub 2014 Oct 20. PMID: 24861492 / doi: 10.1111/bjd.13138

Langley RG, Elewski BE, Lebwohl M, Reich K, Griffiths CE, Papp K, Puig L, Nakagawa H, Spelman L, Sigurgeirsson B, Rivas E, Tsai TF, Wasel N, Tyring S, Salko T, Hampele I, Notter M, Karpov A, Helou S, Papavassilis C; ERASURE Study Group; FIXTURE Study Group. Secukinumab in plaque psoriasis--results of two phase 3 trials. N Engl J Med 2014 Jul 24; 371(4):326-38. Epub 2014 Jul 9. PMID: 25007392 / doi: 10.1056/NEJMoa1314258

Dodds A, Chia A, Shumack S. Actinic keratosis: rationale and management. Dermatol Ther (Heidelb) 2014 Jun; 4(1): 11-31. Epub 2014 Mar 14. PMID: 24627245 / doi: 10.1007/s13555-014-0049-y

Lebwohl M, Shumack S, Stein Gold L, Melgaard A, Larsson T, Tyring SK. Long-term follow-up study of ingenol mebutate gel for the treatment of actinic keratosis. JAMA Dermatol 2013 Jun; 149(6): 666-70. PMID: 23553119 / doi: 10.1001/jamadermatol.2013.2766

Dixit S, Shumack S, Fischer G. Ustekinumab in the treatment of severe paediatric psoriasis. Australas J Dermatol 2013 May; 54(2): 147. PMID: 23581999 / doi: 10.1111/ajd.12050

Baker C, Mack A, Cooper A, Fischer G, Shumack S, Sidhu S, Soyer P, Wu J, Chan J, Nash P, Rawlin M, Radulski B, Foley P. Treatment goals for moderate to severe psoriasis: An Australian consensus. Australas J Dermatol 2013 Jan 18. PMID: 23330815 / doi: 10.1111/ajd.12014

Shumack S.  The 4th Joint Meeting of the Japanese Dermatological Association and the Australasian College of Dermatologists: Meeting Report, Sapporo, Japan 10-12 July 2009.  J Dermatol 2009 Dec; 36(12):625-627. PMID: 19958444

Foley P, Freeman M, Gebauer K, Murrell D, Shumack S, Tyson C, Varigos G.  Long-term efalizumab therapy for patients with moderate-to-severe, chronic plaque psoriasis: results from an Australian expanded access program.  Int J Dermatol 2009 Dec; 48(12):1376-1384.  PMID: 19930495

Gebauer K, Shumack S, Cowen PS.  Effect of dosing frequency on the safety and efficacy of imiquimod 5% cream for treatment of actinic keratosis on the forearms and hands: a phase II, randomized placebo-controlled trial.  Br J Dermatol 2009 Oct; 161(4):897-903.  PMID: 19545297

Shumack S.  Systemic chemoprevention.  Cancer Treat Res 2009; 146:461-466.  PMID: 19415225

Tritton SM, Shumack S, Fischer G.  Fatal delayed presentation of primary melanoma of the penis.  Australas J Dermatol 2008 Nov; 49(4):239-241.  PMID: 18855791

Wooton R, Krupinski E, Hailey D, Patterson V, Scott R, Whited J, Whitten P, Yoo S, Hui E, Ferguson J, Van Der Westhuyzen J, Kayser K, Mars M, Martin-Khan M, Tachakra S, Scalvini S, Shumack S, Smith A, Soyer HP, Stachura M.  Memorable telemedicine experiences.  J Telemed Telecare 2008; 14(1):50-54.  PMID: 18318930

Chia AL, Simonova G, Dutta B, Lim A, Shumack S.  Melanoma diagnosis: Australian dermatologists’ number needed to treat.  Australas J Dermatol 2008 Jan; 49(1):12-15.  PMID: 18186839

Chia A, Moreno G, Lim A. Shumack S.  Actinic keratoses.  Aust Fam Physician 2007 Jul; 36(7): 539-543.  PMID: 17619671

Moreno G, Tran H, Chia AL, Lim A, Shumack S.  Prospective study to assess general practitioners’ dermatological diagnostic skills in a referral setting.  Australas J Dermatol 2007 May; 48(2):77-82.  PMID: 17535192

Moreno G, Chia AL, Lim A, Shumack S.  Therapeutic options for Bowen’s disease.  Australas J Dermatol 2007 Feb; 48(1):1-8; quiz 9-10.  PMID: 17222293

Chia AL, Shumack S.  Skin cancer clinics in Australia: workload profile and performance indicators from an analysis of billing data.  Med J Aust 2006 Aug; 185(4):239; author reply 240.  PMID: 16922676

Kovach BT, Murphy G, Otley CC, Shumack S, Ulrich C, Stasko T.  Oral retinoids for chemoprevention of skin cancers in organ transplant recipients: results of a survey.  Transplant Proc 2006 Jun; 38(5):1366-1368.  PMID: 16797305

Dubertret L, Sterry W, Bos JD, Chimenti S, Shumack S, Larsen CG, Shear NH, Papp KA, CLEAR Multinational Study Group.  Clinical experience acquired with the efalizumab (Raptiva) (CLEAR) trial in patients with moderate-to-severe plaque psoriasis: results from a phase III international randomized, placebo-controlled trial.  Br J Dermatol 2006 Jul; 155(1):170-181.  PMID: 16792770

Ortonne JP, Shear N, Shumack S, Henninger E, CLEAR Multinational Study Group.  Impact of efalizumab on patient-reported outcomes in high-need psoriasis patients: results of the international, randomized, placebo-controlled Phase III Clinical Experience Acquired with Raptiva (CLEAR) trial [NCT00256139].  BMC Dermatol 2005 Dec; 5:13.  PMID: 16359548

Kurzydlo AM, Casson C. Shumack S.  Reducing professional isolation: Support Scheme for Rural Specialists.  Australas J Dermatol 2005 Nov; 46(4):242-245.  PMID: 16197423

Tran H, Chen K, Lim AC, Jabbour J, Shumack S.  Assessing diagnostic skill in dermatology: a comparison between general practitioners and dermatologists.  Australas J Dermatol 2005 Nov; 46(4):230-234.  PMID: 16197420

Lee MR, Shumack S.  Prurigo nodularis: a review.  Australas J Dermatol 2005 Nov; 46(4):211-218; quiz 219-220.  PMID: 16197418

Chia AL, Shumack S, Foley P.  Vitamin D and adult bone health in Australia and New Zealand: a position statement.  Med J Aust 2005 Jul; 183(1):52-53; author reply 53-54.  PMID: 16180268

See A, Lim AC, Le K, See JA, Shumack SP.  Operational teledermatology in Broken Hill, rural Australia.  Australas J Dermatol 2005 Aug; 46(3):144-149.  PMID: 16008643

Chen K, Craig JC, Shumack S.  Oral retinoids for the prevention of skin cancers in solid organ transplant recipients: a systemic review of randomized controlled trials.  Br J Dermatol 2005 Mar; 152(3):518-523.  PMID: 15787821

Shumack S, Gebauer K, Quirk C, Macdonald K, Walters SA, Owens M.  5% imiquimod cream for the treatment of large superficial basal cell carcinoma.  Arch Dermatol 2004 Oct; 140(10):1286-1287.  PMID: 15492202

Tran H, Moreno G, Shumack S.  Imiquimod as a dermatological therapy.  Expert Opin Pharmacother 2004 Feb; 5(2):427-438.  PMID: 14996638

Chen K, Shumack S.  Treatment of Bowen's disease using a cycle regimen of imiquimod 5% cream.  Clin Exp Dermatol 2003 Nov; 28(Suppl 1):10-12.  PMID: 14616804

Salasche S, Shumack S.  A review of imiquimod 5% cream for the treatment of various dermatological conditions.  Clin Exp Dermatol 2003 Nov; 28(Suppl 1):1-3.  PMID: 14616801

Tran D, Kossard S, Shumack S.  Phenytoin-induced linear IgA dermatosis mimicking toxic epidermal necrolysis.  Australas J Dermatol 2003 Nov; 44(4):284-286.  PMID: 14616498

Chen K, Yap LM, Marks R, Shumack S.  Short-course therapy with imiquimod 5% cream for solar keratoses: a randomized controlled trial.  Australas J Dermatol 2003 Nov; 44(4):250-255.  PMID: 14616490

Tran H, Chen K, Shumack S.  Epidemiology and aetiology of basal cell carcinoma.  Br J Dermatol 2003 Nov; 149(Suppl 66):50-52.  PMID: 14616351

Tran H, Chen K, Shumack S.  Summary of actinic keratosis studies with imiquimod 5% cream.  Br J Dermatol 2003 Nov; 149(Suppl 66):37-39.  PMID: 14616347

Shumack S, Rigel D.  Treatment of non-melanoma skin cancer: immunotherapy as a viable option.  Acta Derm Venereol Suppl (Stockh) 2003 Sep; 214:18-22.  PMID: 14606278

Chen K, See A, Shumack S.  Website discussion forums: results of an Australian project to promote telecommunication in dermatology.  J Telemed Telecare 2002; 8(Suppl 3):5-6.  PMID: 12661604

Chen K, See A, Shumack S.  Epidemiology and pathogenesis of scleroderma.  Australas J Dermatol 2003 Feb; 44(1):1-7; quiz 8-9.  PMID: 12581091

Aspres N, Egerton IB, Lim AC, Shumack SP.  Imaging the skin.  Australas J Dermatol 2003 Feb; 44(1):19-27.  PMID: 12581077

Chen K, See A, Shumack S.  Website discussion forums: results of an Australian project to promote telecommunication in dermatology.  J Telemed Telecare 2002 Dec; 8(Suppl 3(6)):5-6.  PMID: 12537888

Shumack S, Robinson J, Kossard S, Golitz L, Greenway H, Schroeter A, Andres K, Amies M, Owens M.  Efficacy of topical 5% imiquimod cream for the treatment of nodular basal cell carcinoma: comparison of dosing regimens.  Arch Dermatol 2002 Sep; 138(9):1165-1171.  PMID: 12224977

Chen K, Lim A, Shumack S.  Teledermatology: influence of zoning and education on a clinician’s ability to observe peripheral lesions.  Australas J Dermatol 2002 Aug; 43(3):171-174.  PMID: 12121392

Lim AC, Egerton IB, See A, Shumack SP.  Accuracy and reliability of store-and-forward teledermatology: preliminary results from the St George Teledermatology Project.  Australas J Dermatol 2001 Nov; 42(4):247-251.  PMID: 11903155

Lim AC, Egerton IB, Shumack SP.  Telemedicine: applications in phlebology.  J Telemed Telecare 2001; 7(Suppl 2):55-59.

Lim AC, See AC, Shumack SP.  Progress in Australian teledermatology.  J Telemed Telecare 2001; 7(Suppl 2):55-59.  PMID: 11747660

Lim AC, See A, Shumack SP.  GP postgraduate dermatology training (Attitudes of post-training general practitioners and the effect of training on GP clinical practice and referral patterns).  Aust Fam Physician 2001 Jun; 30(6):526-527.  PMID: 11458574

Marks R, Gebauer K, Shumack S, Amies M, Bryden J, Fox TL, Owens ML, Australasian Multicentre Trial Group.  Imiquimod 5% cream in the treatment of superficial basal cell carcinoma: results of a multicentre 6-week dose-response trial.  J Am Acad Dermatol 2001 May; 44(5):807-813.  PMID: 11312429

Ho C, Shumack SP, Morris D.  Subacute cutaneous lupus erythematosus associated with hepatocellular carcinoma.  Australas J of Dermatol 2001 May; 42(2):110-113.  PMID: 11309033

Lim AC, Egerton IB, Shumack SP.  Australian teledermatology: the patient, the doctor, and their government.  Australas J Dermatol 2000 Feb; 41(1):8-13.  PMID: 10715894

Lowe PM, Fryer J, Shumack S.  Pemphigoid gestationis occurring in a patient with HELLP syndrome.  Australas J Dermatol 1996 May; 37(2):89-92.  PMID: 8687334

Wong D, Shumack S.  Managing HIV.  Part 5: Treating secondary outcomes.  5.1 HIV and skin disease.  Med J Aust 1996 Mar; 164(6):352-356.  PMID: 8606661

Shumack S, Commens C, Kossard S.  Disseminated superficial actinic porokeratosis.  A histological review of 61 cases with particular reference to lymphocytic inflammation.  Am J Dermatopathol 1991 Feb; 13(1):26-31.  PMID: 2003645

Tefany FJ, Lee S, Shumack S.  Oysters, iron overload and vibrio vulnificus septicaemia.  Australas J Dermatol 1990; 31(1):27-31.  PMID: 2073206

Connors TJ, Cook DE, De Launey WE, Downie M, Knudsen RG, Shumack SP, Eggleston AS.  Australian trial of topical minoxidil and placebo in early male pattern baldness.  Australas J Dermatol 1990; 31(1):17-25.  PMID: 2073205

Kossard S, Shumack SP.  Lichen aureus of the glans penis as an expression of Zoon’s balanitis.  J Am Acad Dermatol 1989 Oct; 21(4 Pt 1):804-806.  PMID: 2808800

Shumack SP, Commens CA.  Disseminated superficial actinic porokeratosis: a clinical study.  J Am Acad Dermatol 1989 Jun; 20(6):1015-1022.  PMID: 2754051

Shumack SP, Commens CA.  Moisturizer prescription patterns among Australasian dermatologists.  Australas J of Dermatol 1988; 29(3):151-153.  PMID: 3272123

Commens CA, Shumack SP.  Linear porokeratosis in two families with disseminated superficial actinic porokeratosis.  Pediatr Dermatol 1987 Nov; 4(3):209-214.  PMID: 3321004

Shumack SP, Commens CA.  Disseminated superficial actinic porokeratosis: a condition often mistaken for actinic keratosis.  Med J Aust 1987 Jul; 147(2):101-102.  PMID: 3600447

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