Injuries and diseases of the jaws . reserious operation ; but a case has occurred within my ownknowledge in which a very able surgeon removed the upperjaw before discovering the error of his diagnosis. M. Giraldes would appear to have been the first authorupon the subject of cysts of the antrum, and his thesisgained the Montyon prize in 1853: but Mr. W. Adams mayfairly claim priority of investigation, as shown by specimenspreserved in St. Thomass Museum—as indeed is acknow-ledged by M. Giraldes. Luschka subsequently investigatedthe subject, and in sixty post-mortem examinations foundcystic gro
Injuries and diseases of the jaws . reserious operation ; but a case has occurred within my ownknowledge in which a very able surgeon removed the upperjaw before discovering the error of his diagnosis. M. Giraldes would appear to have been the first authorupon the subject of cysts of the antrum, and his thesisgained the Montyon prize in 1853: but Mr. W. Adams mayfairly claim priority of investigation, as shown by specimenspreserved in St. Thomass Museum—as indeed is acknow-ledged by M. Giraldes. Luschka subsequently investigatedthe subject, and in sixty post-mortem examinations foundcystic growths in the antrum five times, some of them beingtwo centimetres in length. A careful examination of the CYSTS IN THE ANTRUM. 157 antra of thirty subjects, made for me by Mr. Marcus Beck,then Demonstrator of Anatomy of ITuiversity College, duringthe winter of 1867-68, failed to discover an instance of thekind. Mr. Adams specimens, from one of which the drawing(fig. 65) was made, show each a cyst of oval outline, attached Fig. to the inner wall of the antrum, and measuring rather morethan an inch and three-quarters of an inch respectively intheir long diameters. These, of course, are too small tohave produced any symptoms during life. The specimensgiven by M. Giraldes in his Rccherches sur les KystesMuqueux du Sinus Maxillaire, from one of which theillustration (fig. 66) is taken, show very varying degrees ofcystic growth in the mucous membrane of the antrum. Inone instance there is a single cyst at the floor of the antrum,into which an opening has been made, whilst in the othersthe cysts are very numerous and of very variable sizes,depending, apparently, upou a cystic degeneration of theentire mucous membrane. M. Giraldes explains the forma-tion of these cysts as being due to the dilatation of theglandular follicles of the mucous membrane, and urges that 158 CYSTIC DISEASES OF THE ANTRUM. the ordinary operation of tapping the antrum would beuseless in such cases^ but tha
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