This series of untreated mongolian idiots, between the ages of 4 months and 10 years, has been studied from the point of view of growth of different parts of the body. The findings have been plotted to the growth curve of normal children, constructed from a series of body surface measurements taken according to the DuBois linear formula.
In Chart 1 the standing heights of these cases are shown according to age.
These findings show a close proximity up to the first year of life, after which there is a tendency for the mongolian idiot to be shorter than the normal. While this may be said to be due in some cases to the occurrence of rickets, which is frequently seen in this condition, it is by no means the sole explanation, and the retardation of growth is not so pronounced as it is in cretinism.
On the basis of
TALBOT FB. STUDIES IN GROWTH: III. GROWTH OF UNTREATED MONGOLIAN IDIOTS. Am J Dis Child. 1924;28(2):152–157. doi:10.1001/archpedi.1924.04120200022003
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