Keratoacanthoma observed Richard W Griffiths  British Journal of Plastic Surgery  Volume 57, Issue 6, Pages 485-501 (September 2004) DOI: 10.1016/j.bjps.2004.05.007

Figure 1 (A) Male age 48 years. Split thickness donor site thigh lesion present for 6 weeks. (B) Male age 69 years. Split thickness donor site thigh lesion present 11 weeks. British Journal of Plastic Surgery 2004 57, 485-501DOI: (10.1016/j.bjps.2004.05.007)

Figure 2 Male age 58 years. Initial lesion present 6 weeks nasal dorsum, then shown at 7 and 9 weeks, final view after excision and full thickness skin grafting. British Journal of Plastic Surgery 2004 57, 485-501DOI: (10.1016/j.bjps.2004.05.007)

Figure 3 Female age 57 years. Sequential views of lesion right lower lip, 5, 13 weeks after initial appearance, views after curettage and cautery 21 and 26 weeks after initial presentation. British Journal of Plastic Surgery 2004 57, 485-501DOI: (10.1016/j.bjps.2004.05.007)

Figure 4 Male age 75 years. Right eyebrow lesion biopsied (prior to referral) 2 weeks after first appearance, views 12, 21, 39 and 64 weeks after initial appearance. British Journal of Plastic Surgery 2004 57, 485-501DOI: (10.1016/j.bjps.2004.05.007)

Figure 5 Female age 86 years. Upper lip lesion views 6, 10, 14 and 29 weeks after initial appearance. British Journal of Plastic Surgery 2004 57, 485-501DOI: (10.1016/j.bjps.2004.05.007)

Figure 6 Male age 66 years. Lower lip lesion views 6, 8, 10 and 17 weeks after initial appearance. British Journal of Plastic Surgery 2004 57, 485-501DOI: (10.1016/j.bjps.2004.05.007)

Figure 7 Male age 83 years. Right cheek lesion views 12 and 20 weeks after initial appearance. British Journal of Plastic Surgery 2004 57, 485-501DOI: (10.1016/j.bjps.2004.05.007)

Figure 8 Male age 70 years. Right cheek/eyelid lesion views 8, 11 and 16 weeks after initial appearance. British Journal of Plastic Surgery 2004 57, 485-501DOI: (10.1016/j.bjps.2004.05.007)

Figure 9 Female age 50 years. Left alar base lesion, views 6, 15 and 33 weeks after initial appearance. British Journal of Plastic Surgery 2004 57, 485-501DOI: (10.1016/j.bjps.2004.05.007)

Figure 10 Female age 61 years. Nasal dorsum lesion, views 7, 12, 13 and 16 weeks after initial appearance. British Journal of Plastic Surgery 2004 57, 485-501DOI: (10.1016/j.bjps.2004.05.007)

Figure 11 Male age 74 years. Nasal dorsum lesion views 4, 6, 10 and 13 weeks after initial appearance. British Journal of Plastic Surgery 2004 57, 485-501DOI: (10.1016/j.bjps.2004.05.007)

Figure 12 Male age 42 years. Left alar lesion, biopsied and curetted (prior to referral) 5 weeks after initial appearance; views 7, 9, 11, 19 and 32 weeks after initial appearance. British Journal of Plastic Surgery 2004 57, 485-501DOI: (10.1016/j.bjps.2004.05.007)

Figure 13 Male age 52 years. Right hand dorsum lesion, views 24, 29 and 35 weeks after initial appearance. British Journal of Plastic Surgery 2004 57, 485-501DOI: (10.1016/j.bjps.2004.05.007)

Figure 14 Female age 51 years. Right hand dorsum lesion, biopsied (prior to referral) 4 weeks after initial appearance, views 11, 14, 22 and 31 weeks after initial appearance. British Journal of Plastic Surgery 2004 57, 485-501DOI: (10.1016/j.bjps.2004.05.007)

Figure 15 Male age 72 years. Right hand dorsum lesion, views 10, 12, 23 and 30 weeks after initial appearance. British Journal of Plastic Surgery 2004 57, 485-501DOI: (10.1016/j.bjps.2004.05.007)

Figure 16 Male age 57 years. Right hand dorsum/base middle finger lesion, views 8, 11, 13 and 31 weeks after initial appearance. British Journal of Plastic Surgery 2004 57, 485-501DOI: (10.1016/j.bjps.2004.05.007)

Figure 17 Male age 80 years. Right index finger lesion, views 8, 12 and 24 weeks after initial appearance. British Journal of Plastic Surgery 2004 57, 485-501DOI: (10.1016/j.bjps.2004.05.007)