Such a cyst may rupture on the surface, usually as a result of superadded infection, and give rise to a thyreo-glossal or median fistula of the neck.
When the obstruction is complete, a retention cyst forms in which suppuration is liable to occur, causing marked aggravation of the symptoms.
Microscopically the cyst was lined with squamous epithelium and the wall contained rudimentary salivary-gland tissue.
Less frequently they take origin in the second cleft, and lie below the mastoid process, in which case the cyst is adherent either to the mastoid or to the styloid process.
They are treated by removal of the cyst wall, together with the overlying portion of mucous membrane.
It is to be differentiated from a retention cyst of the submaxillary gland by the fact that a probe can usually be passed down the submaxillary duct alongside of the swelling, and from sublingual dermoid (p.
They usually form in connection with the third cleft, and are met with in the region of the great cornu of the hyoid bone, to which the wall of the cyst is almost always attached.
It is sometimes found more satisfactory to dissect out the cyst through an incision below the jaw, and in the event of recurrence this should be undertaken.
They have to be diagnosed from other forms of cyst occurring in the middle line of the neck--sebaceous and dermoid cysts--and when giving rise to disfigurement they should be excised.
The word "cystoma" means a cyst tumor, or cystic tumor.
If the cystis large it should be removed, especially if it causes annoyance.
If the cyst arises in the gland, the swelling is more deeply situated.
Ovarian cyst or tumors is often seen in print these days.
A cyst means a cavity containing fluid and surrounded by a covering (capsule).
A cyst is a cavity containing fluid and surrounded by a covering (capsule).
The separation of the placenta from the walls of the cyst can only be effected with much difficulty and hazard; indeed, we are at a loss to conceive how it can be removed with any degree of safety, where the child has been found alive.
We considered that it was the uterus more or less anteverted, the fundus being pressed forwards and downwards, and the os uteri backwards, by the extra-uterine cyst above; farther examinations tended to confirm this view.
This is the longest period on record of a foetus being retained in the cyst of a ventral pregnancy.
It is important to note that in schizogony there is never any cyst or cyst-membrane formed around the parasite.
Sporogony goes on indifferently either inside the host or after the cyst has been passed out with the faeces to the exterior.
A single retention cyst may be resected, especially when pedunculated.
A tuboovarian cyst is a hydrosalpinx in communication with an ovarian retention cyst, and a tuboovarian abscess is a like formation.
Defn: A cyst formed by certain Protozoa and unicellular plants which the contents divide into a large number of granules, each of which becomes a germ.
Defn: A cyst formed under the tongue by obstruction of the duct of the submaxillary gland.
Defn: An auditory cyst or vesicle; one of the simple auditory organs of many invertebrates, containing a fluid and otoliths; also, the embryonic vesicle from which the parts of the internal ear of vertebrates are developed.
Defn: A cyst or sac of a siphonophore, containing air, and serving as a float, as in Physalia.
Defn: A cyst in which some unicellular organisms temporarily inclose themselves, from which they emerge unchanged, after a period of drought or deficiency of food.
The liver was enlarged and the gallcyst well filled.
Treatment consists in opening the cyst at the most dependent point with a sharp knife.
A serous cyst is found occasionally between the cartilage and the skin on the base of the ear, which may be from a similar cause.
Treatment consists in the puncturing of the swelling, if accessible, and the destruction of the cyst walls by the injection of Lugol's solution.
A line of separation forms between the living and the dead tissue and a thick cyst wall of fibrous tissue forms around the latter.
Treatment consists in the complete extirpation of the cyst and the destruction of the lining pouch by curetting.
One tooth may be included alone in thecyst or a number may be inclosed together.
A dermoid cyst is formed by an involution of the skin with a growth of hair on the inner wall of the sac.
A cyst in which some unicellular organisms temporarily inclose themselves, from which they emerge unchanged, after a period of drought or deficiency of food.
An auditory cyst or vesicle; one of the simple auditory organs of many invertebrates, containing a fluid and otoliths; also, the embryonic vesicle from which the parts of the internal ear of vertebrates are developed.
A cyst formed by certain Protozoa and unicellular plants which the contents divide into a large number of granules, each of which becomes a germ.
A cyst formed under the tongue by obstruction of the duct of the submaxillary gland.
Containing, or resembling, a cyst or cysts; cystic; bladdery.
A cyst or sac of a siphonophore, containing air, and serving as a float, as in Physalia.
The cyst is set free in the stomach of the latter host, its envelopes are dissolved in the juice secreted by its enclosing membrane, and with its whole establishment the worm recovers its liberty in this new abode.
What they saw gave their jaded nerves an unpleasant thrill--a mass of doughy matter of a blue-green color about three feet in diameter, with something that resembled a cyst filled with transparent liquid near its center.
Forepaugh went limp, but not before he had loosed a steel-jacketed bullet that shattered the mind cyst of the pipe denizen.
Was it complacence or suspicion that stirred the liquid in the cystso smoothly?
Sometimes the cystbecomes infected and suppurates, and finally ruptures on the surface.
If the cyst re-forms, it should be removed by open dissection under local anæsthesia.
It constitutes a cyst containing a viscid fluid, and an imperfectly formed tooth is often found embedded in its wall.
As a result of injury the cyst may undergo sudden enlargement from hæmorrhage into its interior.
Fluctuation is detected when the cyst approaches the surface, and it is then also that percussion may elicit the "hydatid thrill" or fremitus.
The cyst is usually situated between the skin and fascia, and contains clear or blood-stained serum.
It may attain a large size, the overlying skin and cyst wall may be so thin as to be translucent, and it has been known to cause serious impairment of respiration through pressing on the trachea.
The removal of wens is to be recommended while they are small and freely movable, as they are then easily shelled out after incising the overlying skin; sometimes splitting the cyst makes its removal easier.
A sebaceous cyst may remain indefinitely without change, or may slowly increase in size, the skin over it becoming stretched and closely adherent to the cyst wall as a result of friction and pressure.
The cyst varies in size from a pea to a pigeon's egg, and usually attains its maximum size within a few months and then remains stationary.
The cyst is at first multiple, but the partitions disappear, and the spaces are thrown into one.
With regard to the further life-history of hydatids, the living elements of the cyst may die and degenerate, or the cyst may increase in size until it ruptures.
The orifice of the partly blocked sebaceous follicle is sometimes visible, and the contents of the cyst can be squeezed through the opening.
Dermoid Cyst of Ovary showing Teeth in its interior.
If the cyst ruptures, the epithelial elements are diffused over the peritoneum, and may give rise to secondary dermoids.
There is no developmental cyst for the nervous, muscular, and osseous systems.
This is the form under which the cyst again occurs in Birds, where its two cornua have been incorrectly termed coeca, but the urinary cyst rectum, because the intestine opens into it.
The muscular cyst includes the soft bone, or the joint.
It is only when the swim-cyst is allowed to hold good as lung, that the circulation in Fishes admits of being understood.
The chorion is thus the root or primary cyst of the vascular system.
The vitreous body, which fills out the cyst of the retina, is the cerebral medulla which has become transparent, or a semi-fluid albuminous mass.
As a cyst the internal wall incloses the nutritive matter, which originates from the mucus, and thus from the organic water.
Now the internal cyst alone is the intestine, the external the cutis or skin.
The integument is a large cyst not closed all round, but open at one end.
Spontaneous cure often occurs when a cyst becomes inflamed and suppurates.
It does very well for the amount of an anesthetic solution employed in opening an abscess or in the removal of a small cyst or lipoma or papilloma.
A sebaceous cyst is a tumor resulting from retained sebum (secretion of the sebaceous glands).
The only cyst with which the chiropodist ordinarily comes in contact is of the sebaceous variety.
The cyst in which they lie is filled with creamy substance made up of spores and granule matter.
When the cyst is thick, the tumour of long duration, and the person impatient of pain, it may be punctured by a cataract needle of any kind; one thin and double-edged is probably the most convenient.
The instrument is introduced through the skin, at some distance from the swelling; and, by moving the point of the needle after penetration, the cyst is divided freely.
The cyst is thick, and loosely connected with the surrounding cellular tissue; but as the tumour increases, the adhesions often become firm and intimate, more especially towards the skin.
Such is not the case, as will afterwards be explained, when solution of continuity in the urethra, or of the cyst of an abscess, takes place in consequence of distention of the bladder.
It has been proposed to combine continued pressure with occasional puncturing of the cyst by means of a fine needle, with the view of diminishing the tumour and ultimately obtaining entire obliteration of the cyst.
The bleeding is allowed to cease, and the cavity having been wiped out clean, a stick of caustic potass is applied to the surface, so as to annihilate the cyst effectually.
The cyst is generally thick; sometimes it is thin at one or more points, and this may give way, causing effusion of the contents into the peritoneal sac.
It is impossible to dissect out the tender cyst entire, and, when this is attempted, the cure can seldom be permanent.
The cyst of an abscess, when become a recipient for the urine, assumes after a time a lining membrane similar to that of the bladder.
Median incision in abdominal wall; cyst walls exposed; seen to be very slight and filled with enormous vessels, some greater than the little finger.
Among recent operations Briddon describes the removal of an ovarian cyst which weighed 152 pounds, death resulting.
Dayot reports the removal of an enormous ovarian cyst from a girl of seventeen.
Morand speaks of an ovarian cyst from which, in ten months, 427 pounds of fluid were withdrawn.
Wells mentions an ovarian cystin a woman of sixty-five, from which 72 pints of fluid were removed.
Graves mentions a dermoid cyst containing the left side of a human face, an eye, a molar tooth, and various bones.
The skeleton showed interesting conditions; the rectum and pelvic organs were natural, and the contents of the cyst verified the diagnosis.
Robson reports a multi-locular cyst of the ovary with extensive adhesions of the uterus, removed at the tenth week of pregnancy and ovariotomy performed without any interruption of the ordinary course of labor.
Thomson reports a case of dermoid cyst of the bladder containing hair, which cyst he removed.
One of these women, a secundipara, had gone two weeks over time, and had a large ovarian cyst, the pedicle of which had become twisted, the fluid in the cyst being sanguineous.
The adhesions were separated and the cyst tapped with a large trocar, and then the septa between the cysts were broken down with the fingers.
Arnot reports a case in which a piece of iron was found in a cyst in the thorax, where it had remained for fourteen years.
Cullingworth of St. Thomas Hospital, London, successfully removed from a girl of sixteen an ovarian cyst weighing over 80 pounds.
In the case of free parasites, a well-developed cyst is secreted by the syzygy, which rotates and gradually becomes spherical.
The cyst once formed, further development is quite independent of the host, and, in fact, often proceeds outside it.
Sometimes, however, the septum between the two halves of the cyst does not break down, in which case parthenogenesis occurs, each sporoblast developing by itself into a small spore.
Cyst of Monocystis agilis, the common Gregarine of the Earthworm, showing ripe spores and absence of any residual protoplasm in the cyst.
Harold obeyed the hand that led him like a child; in passing towards the bed, his eye fell upon the cyst which Hilda had given to the old Earl, and a chill shot through his veins.
The Vala motioned to her attendants to lay the cyst at the feet of Githa, and that done, with lowly salutation they left the room.
The patient with the cystpresented himself in the form of a small bearded man with a red face, wearing over his vest the wine-merchant's apron of coarse black cloth.
There was also a black shred adherent to a part of thecyst wall, which proved, on microscopal examination, to be the remains of a blood clot.
It was further found that the cyst below the lower margin of the pancreas, in which the bullet was found, was situated three and one-half inches to the left of the coeliac axis.
Here it was enveloped in a firm cyst of connective tissues, which contained, beside the ball, a minute quantity of inspissated somewhat cheesy pus, which formed a thin layer of a portion of the surface of the lead.
Neither expectorated black matter, and both died from the bursting of a carbonaceous cystinto the bronchi, producing suffocation.
I have preserved a quantity of the contents of a cyst in the left lung of this patient, for chemical analysis; also a portion of the blood from the vena cava, and a little of the black fluid from the bronchial glands.
