A treatise on the diseases of infancy and childhood . h the liquid is in the interior of the brain, and thatin which it lies exterior to the organ. Liquid primarily in the arach-noidean cavity permeates the meshes of the pia mater, and lies in partunderneath it, or this delicate membrane may be ruptured. Four ofthe groups, therefore, described by Breschet, may properly be reducedto one, namely, those groups in which the liquid lies under, between, orexternal to the meninges. It is probable that some of the cases whichled to Breschets classification were examples of acquired circumscribedhydroc
A treatise on the diseases of infancy and childhood . h the liquid is in the interior of the brain, and thatin which it lies exterior to the organ. Liquid primarily in the arach-noidean cavity permeates the meshes of the pia mater, and lies in partunderneath it, or this delicate membrane may be ruptured. Four ofthe groups, therefore, described by Breschet, may properly be reducedto one, namely, those groups in which the liquid lies under, between, orexternal to the meninges. It is probable that some of the cases whichled to Breschets classification were examples of acquired circumscribedhydrocephalus, the result of extravasation of blood. In this form ofhydrocephalus, as is stated elsewhere, an adventitious membrane formsexternal to the liquid, becoming in time thin and delicate, and oftenbearing a close resemblance to the normal membrane (especially thearachnoid), for which it is sometimes mistaken. Etiology.—The constitutional vice which gives rise to this diseaseis probably different in different cases. I have been able, I think, to. 446 CONGENITAL HYDROCEPHALUS. attribute correctly a considerable proportion of cases which I have ob-served, to congenital syphilis, but in other instances, from the characterof the parents I could not assign this cause. Symptoms.—Tf there be a considerable amount of hydrocephalic fluidprior to the birth of the child, so that the head is abnormally large, par-turition is seriously interfered with. The scalp and meninges maybecome ruptured by the severity of the pains, so that the fluid this do not occur, the labor is often necessarily the liquid be present before birth or accumulate subsequentlyto it, the tendency is to an increase of the quantity, and a correspond-ing enlargement of the head. The digestive function in this disease is at first well performed. Theinfant nurses readily, and has its evacuations with the regularity ofother children. Not many weeks, however, elapse, in the majority ofca
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Keywords: ., bookcentury1800, bookdecade1880, bookidtreat, booksubjectchildren
