020 3313 2402

Rachel Graham, secretary


Dr Richard Watchorn is a consultant dermatologist at the Trust and honorary senior clinical lecturer at Imperial College London.

Dr Watchorn is a medical graduate of University College Dublin. He undertook his postgraduate medical training at Beaumont Hospital, Dublin and his dermatology specialty training in the south west of England. He completed his doctoral thesis on the etiopathogenesis of lichen sclerosus at University College Hospital, London.

Dr Watchorn has presented at several academic meetings including the American Academy of Dermatology, the Royal Society of Medicine, British Association of Dermatologists and the Congress of the European Society for Pediatric Dermatology. He has received several awards including those from the Irish Association of Dermatologists, the British Association of Dermatologists and the European Academy of Dermatology and Venereology.

His clinical interests include genital dermatology, skin care in immunosuppressed individuals, skin cancer and atopic eczema.


Inflammatory skin disease (including acne, psoriasis, lichen sclerosus, eczema and drug reactions), skin cancer

Research & publications

Watchorn RE, van den Munckhof EHA, Quint KD, Eliahoo J, de Koning MNC, Quint WGV, Bunker CB. (2020) Balanopreputial sac and urine microbiota in patients with male genital lichen sclerosus. International Journal of Dermatology (In Press)

Kravvas G, Ge L, Ng J, Shim TN, Doiron PR, Watchorn R, J Kentley, Panou E, Dinneen M, Freeman A, Jameson C, Haider A, Francis N, Minhas S, Alnajjar H, Muneer A, Bunker CB. Clinical and histological features of penile intraepithelial neoplasia (PeIN): a retrospective account of 345 patients and a review of the literature. J Dermatolog Treat 2020 (In Press)

Panou E, Watchorn R, Bakkour W, Bunker, CB. Multiple eruptive dermatofibromas in HIV: An immune reconstitution associated disease? Journal of the European Academy of Dermatology and Venereology 2019 doi 10.1111/jdv.16015

Chan S, Watchorn RE, Panagou E, Panou E, Ong E, Heelan K, Haider K, Freeman A, Bunker CB. Dermatoscopic findings of penile intraepithelial neoplasia: bowenoid papulosis, bowen disease and erythroplasia of Queyrat. Australasian Journal of Dermatology 2018;60(3):e201-e207

Watchorn, R.E., Calonje, E., Taibjee, S.M. (2018) Germline BAP-1 mutation presenting as BAP-1 inactivated melanocytic nevi in a child with fatal paraganglioma in the father. Pediatric Dermatology;35:e316-e318.

Watchorn, R.E., Thomas, S., Miller, C., Carr, R.A., Kock, D., Thomas, P., Taibjee, S.M. (2017) Keratoacanthoma management: results of a survey of UK dermatologists and surgeons. British Journal of Dermatology Jul 30. doi: 10.1111/bjd.15858

Watchorn RE, Pawade J, Wachsmuth RC. Unilesional CD30+ mycosis fungoides with large cell transformation and spontaneous regression, masquerading as verruca vulgaris. Clinical & Experimental Dermatology 2018;43(5):633-635

 Watchorn RE, Bunker CB. Genital diseases in the mature man. Clinics in Dermatology 2018;36:197-207

Watchorn, R.E., Babu, S., Lewis, F., Calonje, E., Taibjee, S.M. (2017) Paroxysmal purple palmar macules with a rare aetiology. Clinical & Experimental Dermatology 2017;42:561–563.

Brown, A., Watchorn, R.E., Cope, N.J., Downs, A.M.R. (2017) Proteinase 3-ANCA-associated cutaneous vasculitis without systemic involvement. Clinical & Experimental Dermatology;42:582–584.

Daniels, E., Watchorn, R. (2016) Unilateral facial flushing precipitated by eating. BMJ;352:i1377

Watchorn, R., Meys, R., Jolliffe, V. (2014) Cold panniculitis in a horse rider. BMJ;349:g4162

Watchorn, R.E., Ma, S., Gulmann, C., Keogan, M., O’Kane, M. (2014) Linear IgA Disease associated with Ulcerative Colitis: the role of surgery. Clinical & Experimental Dermatology;39:327–9

Watchorn, R.E., Poder, L., Wang, Z., Yeh, B.M., Coakley, F.V. (2009) CT findings mimicking appendicitis as a manifestation of colorectal cancer. Clinical Imaging;33:430–2