Head circumference is useful in assessing weight gain in babies who fail to thrive

If circumference is at a higher centile than weight, and particularly if it is increasing from the centile recorded at birth, early assessment is needed to review neurodevelopment and consider other diagnoses such as hydrocephalus or tumour. 2 This measurement should be repeated at follow-up. (25 September.) 2 Wilne S, Coller K, Collier J, Kennedy C, Grundy R, Walker D. The diagnosis of brain tumours in children: a guideline to assist healthcare professionals in the assessment of children who may have a brain tumour.