Oral surgery; a text-book on general surgery and medicine as applied to dentistry . 80,000 children in seven years. SirW. Ferguson, Dubois, and Lombard re^Dort one case each,while Bryant has seen two. Since saliva is not secreted in fetal life, it is thought thatthese so-called congenital ranulae are either obstructions ofthe ducts of the glands of Nuhn, or accumulations inFleischmans bursa. Others think they are dermoids. Ina pajDer by Dr. Richard von Hippel (Berlin) he discussesand criticises the various theories which have been ad-vanced to explain the origin of ranulse. The careful macro-s
Oral surgery; a text-book on general surgery and medicine as applied to dentistry . 80,000 children in seven years. SirW. Ferguson, Dubois, and Lombard re^Dort one case each,while Bryant has seen two. Since saliva is not secreted in fetal life, it is thought thatthese so-called congenital ranulae are either obstructions ofthe ducts of the glands of Nuhn, or accumulations inFleischmans bursa. Others think they are dermoids. Ina pajDer by Dr. Richard von Hippel (Berlin) he discussesand criticises the various theories which have been ad-vanced to explain the origin of ranulse. The careful macro-scopic and microscopic examinations of numerous speci- 372 THE SALIVARY GLANDS mens leads. Mm to very positive ideas on tlie subject. Heagrees with Neumann and others that certain ranul^ arisefrom unobliterated portions or branches of the thyro-glos-sal duct, and reports one interesting and thoroughly con-vincing case in sup]jort of this view. To anyone who hasstndied true median cervical fistula, the conception of suchan origin presents no difficulties. Most cases of ranula have. Fig. 1S2.—Model of Raxula Before Operation. another origin. In .-tudying this subject von Hippel makesfree use of the excellent researches of Suzann. with whoseviews he largely agrees. A rare case of double acute rnnuJa is reported by was called to attend a man who felt somethins suddenlyform in his mouth whirli was nearly suffocating him. AVhenhe arrived he found the mnuth occupied by two large ovalswellings of a pale, pinkish color with translucent walls;the tongue was displaced backward over the glottis, oc-casioning severe dyspnea and com]ilr:-te inability to swallow. DISEASES OF THE SALIVARY GLANDS 373 On the right side swelling was also present below the angleof the jaw. The patient had just begun dinner, having pre-viously been in excellent health, when his mouth suddenly-filled up with the tumor below the tongue, which, rapidlyincreasing, pushed the tongue backward so that only theun
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectsurgery, bookyear1912
