Causes of Bone Age Being Younger Than Chronological Age
Nov 29, 2024
Source: Cainiu Health
Dr. Chen Jian
Introduction
A bone age that is younger than the chronological age may be caused by genetic factors, delayed maturation, malnutrition, hypothyroidism, pituitary dwarfism, or other similar reasons. Bone age delay caused by genetic factors results from an individual inheriting a specific growth and development pattern, which may be related to the rate of skeletal maturation. Regular bone age monitoring, along with close attention to height and weight development, is recommended.
Generally, a bone age that is younger than the chronological age may be caused by genetic factors, delayed puberty, malnutrition, hypothyroidism, or pituitary dwarfism. If experiencing any discomfort, seek medical attention promptly. Detailed explanations are as follows:
1. Genetic Factors
Bone age delay caused by genetic factors results from inherited growth patterns that may influence the rate of skeletal maturation. Regular monitoring of bone age, along with height and weight development, is recommended. Consultation with a genetics specialist may be necessary.
2. Delayed Puberty
In children with delayed puberty, delayed secretion of gonadal hormones leads to a postponed skeletal maturation process since sex hormones promote bone maturation. Regular physical examinations and monitoring of growth and development are advised. Consultation with a pediatric endocrinologist may be necessary when appropriate.
3. Malnutrition
Malnutrition is often related to improper diet. Long-term malnutrition can lead to delayed skeletal development and a reduced bone age, potentially causing symptoms such as weight loss and muscle atrophy. Patients may take medications such as vitamin E soft capsules, L-carnitine oral solution, and adenosine disodium diphosphate tablets under the guidance of a physician.
4. Hypothyroidism
Hypothyroidism may be associated with autoimmune diseases, medication, surgery, or other factors. It results in insufficient thyroid hormone secretion, which affects normal skeletal development, leading to a decreased bone age. Symptoms such as reduced intelligence and pallor may also appear. It is recommended to follow medical advice in using medications such as methimazole tablets, levothyroxine sodium tablets, and propranolol hydrochloride tablets.
5. Pituitary Dwarfism
Pituitary dwarfism is caused by a deficiency of growth hormone. A lack of growth hormone leads to delayed skeletal growth and development, which may be accompanied by symptoms such as headache and vomiting. Patients should follow medical advice in using medications such as human growth hormone for injection, recombinant human growth hormone for injection, and recombinant human insulin injection.
When engaging in physical activities, ensure safety and avoid injuries. In daily life, adjust the diet to ensure adequate intake of protein and calcium.
