There are approximately 400 types of dwarfism. Causes of proportionate dwarfism include metabolic and hormonal disorders such as growth hormone deficiency. Congenital hypothyroidism, previously known as cretinism, is a severe deficiency of thyroid hormone in newborns. Continued Dwarfism Causes. Newborns with Cretinism can be of normal weight and height. Dwarfism. Cretinism is a medical condition caused by an untreated congenital thyroid hormone deficiency. Cretinism is a medical condition present at birth wherein there is a decreased or absent thyroid function and thyroid hormone production [1]. Lack of thyroid hormones is the cause. (C follows D)(cretins have disproportionate limbs) Growth hormone secreted by the pituitary gland is responsible for dwarfism or shortness. It features dwarfism, mental retardation, dry skin, a large tongue and a puffy face. Dwarfism is usually the result of a genetic mutation. Cretinism is of 2 types: Congenital Cretinism. Cretinism can be common, genetic or periodic. It causes mental retardation and dwarfism. Just remember GIRL G- Growth- Reduced in both I- IQ- Normal in pituitary dwarfism and decreased in cretenism R-Reproduction-Absent or delayed puberty in bothL-Limbs- Proportionate in Dwarfs and Disproportionate in cretins. ... Cretinism is a type of hypothyroidism that occurs in infants or kids. Cretinism occurs mainly in regions remote from the sea. Hello Everyone, How do we differentiate between dwarfism and cretinism? But if left untreated, patients may have stunted growth to the point of dwarfism. Inadequate production of thyroid hormone during gestation and early infancy results in a condition known as cretinism, which is characterized by growth retardation and … It is present from birth. It causes impaired neurological … When pituitary produces an insufficient amount of growth hormone, it retards the height of an individual. Myxoedematous or hypothyroid cretinism is less common and characterised by mental retardation (although less severe than in neurological cretinism), dwarfism, and hypothyroidism with associated physical symptoms (e.g., coarse and dry skin, husky voice, delayed sexual maturation). If untreated, it results in mild to severe impairment of both physical and mental growth and development. Thyroid deficiency may result from: Iodine deficiency (in developing nations) Incidence is 1:3000 to 1:4000 in an iodine-deficient endemic area. In some cases, it can happen spontaneously. In several hormonal disorders and hereditary conditions dwarfism is associated with subnormal intelligence. Iodization of table salt and early screening of babies has largely eliminated the condition from such regions. Bones and muscles may also degenerate. 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