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Plastic Surgery, Pilomatrixoma, Infant, Neoplasms
Pilomatrixomas are a benign tumour of the hair follicle.1–4 Prevalence is estimated to be less than 1 per cent of all benign skin tumours.1,3 Pilomatrixomas present as small, solitary, slow-growing subcutaneous nodules.1,3 Lesions present on the head and neck, with the face the most commonly affected.3 They are more common in adolescent years, and have a female predominance.3 Less than 10 per cent of pilomatrixomas present in patients younger than two years2 with a recent systematic review of 2189 pilomatrixomas revealing an age range of five months to 97 years.3 This case report reaffirms the need for a vigilant approach when managing paediatric skin lesions, particularly those that do not follow the expected course.
2. Hassanein AH, Alomari AI, Schmidt BA, Greene AK. Pilomatrixoma imitating infantile hemangioma. J Craniofac Surg. 2011;22(2):734–36. https://doi.org/10.1097/SCS.0b013e318207f29f PMid:21415649.
3. Jones CD, Ho W, Robertson BF, Gunn E, Morley S. Pilomatrixoma: a comprehensive review of the literature. Am J Dermatopathol. 2018;40(9):631–41. https://doi.org/10.1097/DAD.0000000000001118. PMid:30119102
4. Yencha MW. Head and neck pilomatricoma in the pediatric age group: a retrospective study and literature review. Int J Pediatr Otorhinolaryngol. 2001;57(2):123–28. https://doi.org/10.1016/S0165-5876(00)00449-3.
5. Leaute-Labreze C, Harper JI, Hoeger PH. Infantile haemangioma. Lancet. 2017;390(10089):85–94. https://doi.org/10.1016/S0140-6736(16)00645-0.