Morris says that from infancy the patient was addicted to this habit, which was so audible as to be heard in all parts of the room. The continued action of the pterygoid muscles had so preternaturally loosened the ligaments and muscular structures supporting the joint as to render them unable to resist the violent action of "tongue sucking" even during sleep.
Injuries to the Tongue.--Hobbs describes a man of twenty-three who, while working, had a habit of protruding his tongue. One day he was hit under the chin by the chain of a crane on a pier, his upper teeth inflicting a wound two inches deep, three inches from the tip, and dividing the entire structure of the tongue except the arteries. The edges of the wound were brought into apposition by sutures, and after the removal of the latter perfect union and complete restoration of the sensation of taste ensued. Franck mentions regeneration of a severed tongue; and Van Wy has seen union of almost entirely severed parts of the tongue. De Fuisseaux reports reunion of the tongue by suture after almost complete transverse division.
There is an account of a German soldier who, May 2, 1813, was wounded at the battle of Gross-Gorschen by a musket ball which penetrated the left cheek, carrying away the last four molars of the upper jaw and passing through the tongue, making exit on the left side, and forcing out several teeth of the left lower jaw.
To his surprise, thirty years afterward, one of the teeth was removed from an abscess of the tongue. Baker speaks of a boy of thirteen who was shot at three yards distance. The bullet knocked out two teeth and passed through the tongue, although it produced no wound of the pharynx, and was passed from the anus on the sixth day. Stevenson mentions a case of an organist who fell forward when stooping with a pipe in his mouth, driving its stem into the roof of the pharynx. He complained of a sore throat for several days, and, after explanation, Stevenson removed from the soft palate a piece of clay pipe nearly 1 1/4 inches long.
Herbert tells of a case resembling carcinoma of the tongue, which was really due to the lodgment of a piece of tooth in that organ.
Articulation Without the Tongue.--Total or partial destruction of the tongue does not necessarily make articulation impossible.
Banon mentions a man who had nothing in his mouth representing a tongue. When he was young, he was attacked by an ulceration destroying every vestige of this member. The epiglottis, larynx, and pharynx, in fact the surrounding structures were normal, and articulation, which was at first lost, became fairly distinct, and deglutition was never interfered with. Pare gives a description of a man whose tongue was completely severed, in consequence of which he lost speech for three years, but was afterward able to make himself understood by an ingenious bit of mechanism. He inserted under the stump of the tongue a small piece of wood, in a most marvelous way replacing the missing member. Articulation with the absence of some constituent of the vocal apparatus has been spoken of on page 254.
Hypertrophy of the Tongue.--It sometimes happens that the tongue is so large that it is rendered not only useless but a decided hindrance to the performance of the ordinary functions into which it always enters. Ehrlich, Ficker, Klein, Rodforffer, and the Ephemerides, all record instances in which a large tongue was removed either by ligation or amputation. Von Siebold records an instance in which death was caused by the ligature of an abnormally sized tongue. There is a modern record of three cases of enormous tongues, the result of simple hypertrophy. In one case the tongue measured 6 1/4 inches from the angle of the mouth about the sides and tip to the opposite angle, necessitating amputation of the protruding portion.
Carnochan reports a case in which hypertrophy of the tongue was reduced to nearly the normal size by first tying the external carotid, and six weeks later the common carotid artery. Chalk mentions partial dislocation of the lower jaw from an enlarged tongue. Lyford speaks of enlargement of the tongue causing death.
The above conditions are known as macroglossia, which is a congenital hypertrophy of the tongue analogous to elephantiasis.
It is of slow growth, and as the organ enlarges it interferes with deglutition and speech. It may protrude over the chin and reach even as far down as the sternum.
The great enlargement may cause deformities of the teeth and lower jaw, and even present itself as an enormous tumor in the neck. The protruding tongue itself may ulcerate, possibly bleed, and there is constant dribbling of saliva. The disease is probably due to congenital defect aggravated by frequent attacks of glossitis, and the treatment consists in the removal of the protruding portions by the knife, ligation, the cautery, or ecraseur.
