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Electrochemotherapy treatment of multiple Basal Cell Carcinomas in a patient with Gorlin syndrome Dr Beth Emily Wright, ST4 Dermatology on behalf of Dr Adam Bray Mr Antonio Orlando & Dr Chris Herbert Electrochemotherapy – how it works Electrochemotherapy – the evidence of EvidenceNumber patients Author treated Intra venous (IV) OR Intra tumour (IT) Tumour treated Complete response rate Follow up period Kis et al 2012 3 with Gorlin (99 tumours) IV bleomycin BCC (all subtypes) 87% 10-28 months Glass et al 1997 20 (54 tumours) IT bleomycin Nodular BCC 94% 14 months Heller et al 2001 34 IT bleomycin SCC, Kaposi, BCC and Melanoma Mets 80-95% 20 months ESOPE study 2006 42 patients IV / IT bleomycin & cisplatin Any cutaneous / subcutaneous malignancy 73-88% 2-12 months (median 4) Discussion - Electrochemotherapy ✗ Discontiguous areas of tumour, possibly reduce effectiveness of Mohs surgery ✗ Prolonged secondary intension healing & post operative swelling Treat multiple areas Repeat treatments Reduce systemic effects of cytotoxic agent if administered into tumour directly ✗ Long term effects not known May reduce number & size of surgical excisions Minimise facial disfigurement Thank you for listening We invite any questions or discussion of similar experience References Kis, E., Baltás, E., Kinyó, Á., Varga, E., Nagy, N., Gyulai, R., Kemény, L. and Oláh, J., 2012. Successful treatment of multiple basaliomas with bleomycin-based electrochemotherapy: a case series of three patients with GorlinGoltz syndrome. Acta dermato-venereologica, 92(6), pp.649-652. Glass LF, Jaroszeski M, Gilbert R, Reintgen DS, Heller R. Intralesional bleomycin-mediated electrochemotherapy in 20 patients with basal cell carcinoma. J Am Acad Dermatol 1997; 37: 596–599. Heller R, Jaroszeski MJ, Reintgen DS, Puleo CA, DeConti RC, Gilbert RA, et al. Treatment of cutaneous and subcuta- neous tumors with electrochemotherapy using intralesional bleomycin. Cancer 1998; 83: 148–157. Rodriguez-Cuevas S, Barroso-Bravo S, Almanza-Estrada J, Cristobal-Martinez L, Gonzalez-Rodriguez E. Electroche- motherapy in primary and metastatic skin tumors: phase II trial using intralesional bleomycin. Arch Med Res 2001; 32: 273–276 Landströ m FJ, Nilsson CO, Crafoord S, Reizenstein JA, Adamsson GB, Lö fgren LA. Electroporation therapy of skin cancer in the head and neck area. Dermatol Surg 2010; 36: 1245–1250 Mir, L.M., Gehl, J., Sersa, G., Collins, C.G., Garbay, J.R., Billard, V., Geertsen, P.F., Rudolf, Z., O’Sullivan, G.C. and Marty, M., 2006. Standard operating procedures of the electrochemotherapy: instructions for the use of bleomycin or cisplatin administered either systemically or locally and electric pulses delivered by the Cliniporator TM by means of invasive or non-invasive electrodes. European Journal of Cancer Supplements, 4(11), pp.14-25.