. Röntgen ray diagnosis and therapy . Fig. 171.—Metatarsal Synostosis in a Baby. phalanges at all, removal is very simple. But when, as is the rule,there is a true supernumerary digit articulating with anotherphalanx or the head or side of a metacarpal bone, the site of exar-ticulation must be well known before the operation. Otherwisethe better developed phalanx may be sacrificed. Syndactylism, while not so frequent as polydactylism, alsorepresents a large group of cases of malformation of the upperextremity, and is likewise amenable to operative interference. In a case of syndactylism in a b
. Röntgen ray diagnosis and therapy . Fig. 171.—Metatarsal Synostosis in a Baby. phalanges at all, removal is very simple. But when, as is the rule,there is a true supernumerary digit articulating with anotherphalanx or the head or side of a metacarpal bone, the site of exar-ticulation must be well known before the operation. Otherwisethe better developed phalanx may be sacrificed. Syndactylism, while not so frequent as polydactylism, alsorepresents a large group of cases of malformation of the upperextremity, and is likewise amenable to operative interference. In a case of syndactylism in a boy of eight months, the second,third, and fourth digits appeared to be fused together, each oneof them, however, possessing its own nail. The skiagraph () showed fusion of the first and second phalanges of the thirdand fourth digits, while their third phalanges were free. The littlefinger was more developed than the slightly deformed thumb. Thecarpus was not yet ossified, and therefore showed no shade. Underthe guidance of t
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