A system of surgery . l osteitiswith resulting osteo-sclerosis it should not becalled hypertrophy. Forthe same reason, osteo-porosis, osteitis defor-mans, leontiasis ossea,and acromegaly cannotstrictly be cited as hyper-trophy of bone. True hypertrophy ofbone from excessive usein an extremely muscu-lar subject is, perhaps,the best instance of thiscondition. Here thebones generally and theridges for the attach-ment of muscle are foundenlarged. There are some rarecases of congenital hyper-trophy of a whole limbin which the bones of that limb are correspondingly large andlong. They may be classed
A system of surgery . l osteitiswith resulting osteo-sclerosis it should not becalled hypertrophy. Forthe same reason, osteo-porosis, osteitis defor-mans, leontiasis ossea,and acromegaly cannotstrictly be cited as hyper-trophy of bone. True hypertrophy ofbone from excessive usein an extremely muscu-lar subject is, perhaps,the best instance of thiscondition. Here thebones generally and theridges for the attach-ment of muscle are foundenlarged. There are some rarecases of congenital hyper-trophy of a whole limbin which the bones of that limb are correspondingly large andlong. They may be classed as cases of true hypertrophy of elephantiasis of one leg in the young subject the bones areundoubtedly longer than those of its fellow, and appear also to belarger, but I know of no evidence to show that the bones in sucha case are of normal density. The lymphatic obstruction has ledto increased growth, but from the condition of the skin one couldnot argue that the bone was likely to be of normal Fig. 339.—Horizontal Section of a Skull, showing Hyper-trophy of the Bones of the left Side, accompaniedwith a corresponding Diminution in the Cranial Capa-city. From a man who had suffered from epilepsyand became a criminal lunatic. (St. Thomass HospitalMuseum, No. 342.) ATROPHY OF BONE. 897 Atrophy.—This condition, as contrasted with hypertrophy, iscomparatively common, arising from such simple causes as want of .;... Fig. 340.—Atrophy of Femur,from a woman who hadlong been bedridden. ( Hospital Museum,No. 343.)
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