The Imperial College School of Medicine (ICSM) undergraduate programme is six years in length, with year 5 being the penultimate year, where students have clinical placements in obstetrics and gynaecology, paediatrics, psychiatry, infectious diseases, oncology, general practice and dermatology. We collected 24 medical photographs of the following 12 clinical conditions and signs, relevant to their curriculum: Shingles, Kawasaki disease, cellulitis, pityriasis versicolour, Lyme disease, central cyanosis, eczema, urticaria, chickenpox, meningococcal disease, jaundice and Henoch-Schönlein purpura. For each of these clinical presentations, we used one image of the condition on white skin (WS) and one on non-white skin (NWS), using pictures that matched in body part and quality as closely as possible. The NWS images included Black and Asian ethnic groups, with a range of gradations of skin tone. We gained consent, or licence where applicable, from the relevant source for each picture used in the study. Once the picture bank was complete, a short case vignette was written for each picture by the researchers, based at ICSM. The pictures and vignettes were reviewed for quality and consistency by a further clinician, outside of ICSM. As an example, the NWS and WS pictures and vignettes used for chickenpox are illustrated in Fig. 1.

Pictures and case vignettes for chickenpox on NWS (A) and WS (B). Source for images: ©Waikato District Health Board, used by DermNet New Zealand with permission (DermNet New Zealand Trust)

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