Delayed closure of the fontanel at 2 years of age can be seen in nutritional vitamin D deficiency rickets, etc. Intervention needs to be tailored to the cause, e.g., vitamin D deficiency requires active supplementation with vitamin D. The fontanel, as an important part of pediatric examination, can be used to evaluate the growth and development of the skull.
As an important part of pediatric examination, fontanel can be used to evaluate the growth and development of the skull. Delayed closure of fontanel at 2 years of age usually refers to the fontanel, which is usually considered to be gradually ossified around 6 months of age and closes by 2 years of age at the latest.
Delayed closure of the fontanel can be seen in nutritional vitamin deficiency rickets, such children may have an enlarged fontanel and delayed closure of the fontanel, some of which may be accompanied by delayed eruption of milk teeth and skeletal changes such as rib beading, and so on. The treatment needs to be supplemented with vitamin D, adhere to regular sun exposure, supplementation of vitamin D and at the same time, may be given the appropriate amount of calcium, to help improve the symptoms and promote bone development, and so on.
It can also be seen in hypothyroidism, such children may have delayed closure of fontanel, may be accompanied by intellectual backwardness and physical development backwardness, should be diagnosed as early as possible and early treatment, supplementation of levothyroxine sodium, dynamic monitoring of thyroid function, and adjust the dosage of medication as appropriate.
All of the above medications should be used under the supervision of a physician, and it is recommended to actively seek medical advice from a specialist for evaluation and intervention.