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Chevron nail: an under-recognised normal variant of nail development
  1. Jonathan Mathew John1,
  2. Deepa Elizabeth Mathew2,
  3. Cheri Mathews John3
  1. 1Sri Ramachandra Institute of Higher Education and Research, Chennai, India
  2. 2Paediatrics, Apollo Hospitals Enterprise, Chennai, India
  3. 3Paediatrics, Angels Speciality Clinic, Chennai, India
  1. Correspondence to Dr Cheri Mathews John, Paediatrics, Angels Speciality Clinic, Chennai 600040, India; cherimjohn{at}

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A healthy, thriving 6-month-old girl presented with a peculiar patterning of ‘V’-shaped ridges found in all her fingernails excluding the thumbs (figure 1). Toenails were unaffected and examination of the parents did not demonstrate any similar pattern of nail ridging.

Figure 1

Fingernail demonstrating V-shaped ridging.

Her birth weight was 2.5 kg and there was oligohydramnios. Her mother’s haemoglobin and iron levels were normal. The infant was exclusively …

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  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.