Pediatrics. . GH. P. R. R. AT WILKINGSBURG \ ORTHO-PEDIC SURGEON, PRESBYTERIAN HOSPITAL; MEMBER A. M. A.,A. O. -V, AND O. STATE SOC, ETC. Quite an unusual case was referred to me by Dr. I. J. is plainly a dislocation of the right half of the frontal bone. Theforce producing this rare dislocation was applied during parturi-tion. Ossification of the frontal bone begins at about the eighthfetal week and is not completed for several years after birth. The metopic suture, or that between the halves of the medianline, not infrequently remains open through life. At birth there isnothing but
Pediatrics. . GH. P. R. R. AT WILKINGSBURG \ ORTHO-PEDIC SURGEON, PRESBYTERIAN HOSPITAL; MEMBER A. M. A.,A. O. -V, AND O. STATE SOC, ETC. Quite an unusual case was referred to me by Dr. I. J. is plainly a dislocation of the right half of the frontal bone. Theforce producing this rare dislocation was applied during parturi-tion. Ossification of the frontal bone begins at about the eighthfetal week and is not completed for several years after birth. The metopic suture, or that between the halves of the medianline, not infrequently remains open through life. At birth there isnothing but membranous attachment throughout the circumfer-ence of the frontal bone, so that force applied to the head as itpasses through the pelvis straight in lateral frontal presentationcould very readily result in just such an accident. The child was several months old when I first saw it. It wasnot thought possible to restore the margins of the bone to normalrelationship by any method. Immediate force would have the. Fig. i.—Outline of the head showing dislocation. DISLOCATED FRONTAL BONE 323 same effect as it would in distorting a normal skull at the sameage, resulting in injury to the brain without replacing the bone. The only means that suggested itself was to use a spring bandabout the head with a pressure pad resting upon the frontal emi-nence. By gradually increasing the force it was hoped that somegood might be accomplished. As a matter of fact, however, verylittle was accomplished toward reduction. The child is verybright, well nourished and in every way normal. The brain hasconformed itself to the new cranial wall so perfectly that its func-tions are being performed perfectly.
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