GEOGRAPHICAL DISTRIBUTION.--Goitre is met with in all parts of the

world. There are, however, localities in which it prevails to a

remarkable extent, assuming, indeed, the importance of an epidemic

disease. In some portions of Switzerland, as in Savoy and in the Tyrol,

there are villages in which scarcely a single inhabitant escapes. The

disease is very common in Piedmont and in all deep valleys of the Alps,

the Pyrenees, the Apennines, and about the foot-hills of the

Cordilleras. In the valley of the Maurienne, Larrey states, nearly all

the residents were subjects of goitre. According to the government

reports in Piedmont and Savoy, there are 22,371 persons afflicted with

bronchocele. There is a notable prevalence of the disease at

Schlettstadt on the Rhine. In France the districts where the largest

number of cases of goitre is observed are St. Aubin and Rosieux. These

places, with others less noteworthy in the same country, it is

estimated, furnish not less than 500,000 cases of the disease. In the

government of Irkoutsh, which is drained by the sources of the Lena and

its tributaries, there were in 1870, according to Hachine, as many as

3400 persons laboring under goitre. Among the inhabitants of Siberia

antecedent to the conquest by Russia the disease was scarcely known.

Its prevalence after this event was attributed to the habit adopted by

the Russians of living in heated and uncleanly rooms, altogether unlike

the Siberians, who spend most of their time in the open air. {976}

Humboldt speaks of goitre being so common in Honda and Moussa, towns

contiguous to the Magdalena River, that very few of their inhabitants

escaped the disease.

In England the counties of Derbyshire, Surrey, Nottingham, and Norfolk

furnish a large number of cases. In this country New Hampshire,

Connecticut, Vermont, and New York are the States which supply the most

examples of goitre. In Lower Canada goitre is also quite common.

In Switzerland the disease is frequently associated with mental

imbecility (cretinism), though it is not at all established that

between the two there exists any necessary connection, as cretinism is

often met with in persons free from goitre, and the latter in those

whose intellectual powers are unimpaired. Indeed, it has been observed

by Burns, that in some countries where goitre is very prevalent

cretinism is exceptionally rare; nevertheless, the observations of

Lemon and the experiments of Horsley are of a character to leave the

relation between the two still an open question.

CAUSES.--The causes of goitre are quite obscure. The disease is in some

way associated with countries the topographical features of which

consist in high mountains and deep valleys. In illustration of this

fact we have only to cite the great prevalence of the disease in

Switzerland, in the central mountainous parts of Asia, on the Himalayas

and the Andes, as also in the mountains of Brazil. In Europe it may be

said that goitre is much more common in the south and south-west

countries than in the north and north-west. Sea-coasts are generally

exempt from the disease. Bardeleben during the many years in which he

acted as chief of the surgical clinic at Greifswald saw only two cases

of goitre.

The use of glacier- or snow-water has been charged with the production

of this evil, containing as it does large quantities of carbonic acid

and other matters not generally found in pure potable water. In

opposition to this view we are able to present the testimony of Captain

Gerard that in those portions of the Himalayas where the inhabitants

for a number of months in each year drink snow-water goitre is really

less frequently observed than among those who live at the foot-hills of

the same region. This coincides with what Lebert states, that if water

from the regions of ice and snow constitutes a cause of goitre, then we

should expect to find the disease increasing more and more as the

glaciers are approached, when, really, just the reverse is the case,

the subjects of such enlargements being seen in greater numbers at the

bottom of valleys than in the more elevated regions. The Polar

expeditions of Lenstake and Kolleweg, undertaken in the years 1868 and

1870, also contradict the supposed connection between goitre and

ice-water, as not a case of the disease was reported, notwithstanding

the men drank nothing else; and in Sumatra, where snow is never seen,

goitre is quite common. Nor is there any satisfactory evidence that

lime- or magnesia-water, also charged with exerting a determining

influence in the causation of goitre, has anything to do with its

existence. The testimony of Humboldt as to the rareness of the

affection at Mariquita, where the water is strongly impregnated with

lime salts, and my own observation that throughout the Pequea and

Conestoga valleys, both limestone districts, goitre seldom occurs, are

inimical to such a theory. From St. Maurice to Martiny in Wallis,

Lebert speaks of goitre being very common, notwithstanding the absence

of lime formation.

That water, however, does become the medium for certain materials

which, taken into the system, produce enlargements of the thyroid, is

unquestionably true. In corroboration of this statement we have two

notable facts recorded by Frank, who says that at Rheims, where goitre

was very common, quite one-half of the tumors disappeared after the

source of the old water-supply was abandoned and the town supplied by a

branch from the river Verle. {977} And again at Stenseifen, near

Schmideberg, where goitre prevailed as an endemic, the disease

disappeared on the closing of a fountain which furnished water to the

inhabitants of the place.

Atmospheric causes have also been invoked in order to shed light on the

production of goitre. Thus it is said that the common occurrence of the

latter in very deep valleys, so overshadowed by the dense foliage of

timber as to prevent a proper interchange or circulation of air, is

favorable to this theory; yet as against this view we have the

statement of Humboldt, who says that on the plateaus of Bogota, which

are swept by constant currents of air and are quite sterile in

vegetation, goitre is common.

That local or geological conditions do exist which are directly

concerned in the development of endemic goitre cannot be gainsaid, and

these of so active a nature that persons coming from remote districts

into such goitrous centres and entirely free from all enlargements of

the gland, are liable to suffer in common with the native born. Not

only so, but, as has been observed by Virchow, even domestic animals in

such localities become subjects of the disease.

The very careful study of this subject by Labour of Newcastle, England,

furnishes strong evidence that water passing through calcareous soils

alone had little if anything to do with goitre, but when such soils

were impregnated with ferruginous and earthy salts the geological

conditions were present for developing the disease.

Enlargement of the thyroid body is occasionally seen as one of the late

manifestations of syphilis, usually bilateral and attaining in some

instances a great size.

Gestation is another and not an uncommon cause of goitre, the tumor

appearing in the last months of pregnancy or immediately after

parturition. Three cases clearly traceable to the above cause are under

the writer's care while penning this article. It is in such cases that

the tumors sometimes grow with frightful rapidity. Roberts reports

three cases in primiparæ, all of which ran an acute course and

terminated fatally by asphyxia.

In Graves' or Basedow's disease goitre forms one of the elements in the

morbid circle, and when thus associated may be regarded as a neurosis.

VARIETIES.--Goitre appears under different forms, and not unfrequently

one variety is transformed into another. The following classification,

resting on a pathological basis, will be adopted, namely--Follicular;

Gelatinous; Cystic; Fibrous; Vascular.

In follicular goitre there is a proliferation, both in the

cell-elements of the follicles and in the connective tissue

constituting their walls. This general hyperplasia of the normal

histological components of the gland constitutes a tumor which, for a

time at least, remains quite soft and compressible, even communicating

to the touch the sensation of fluctuation. The tendency, however, of

the growth is not to remain long in this condition, but to become more

firm and even hard to the feel.

The fibrous is often a transformation from the follicular goitre, an

advanced stage in the life-history of the latter. There occurs a new

formation of interstitial connective tissue, which by its accumulation

and encroachment upon the follicles lessens, and finally obliterates,

them to a degree which converts the gland into a fibroma. It is rare,

however, to find this metamorphosis general. Generally the change is

limited to portions of the thyroid, and accordingly the tumor in this

variety of the disease is found hard, knotty, and incompressible at

different points corresponding to the sclerosed portions. The

vascularity of the fibrous variety is quite insignificant in those

portions of the gland which have been the subject of this morbid

change, though in other parts there is a liberal supply of

blood-vessels.

Vascular goitre may also be a transformation from the follicular

variety, in {978} which, with an increased hyperplasia of the

follicular elements of the gland, there is a new formation of

blood-vessels taking the place of the connective tissue present in the

fibrous form of goitre. When the arterial element predominates, the

vessels will be found to be very much dilated and anastamosing freely.

These goitres are compressible, have a soft, spongy feel, sometimes

pulsate, and on auscultation disclose a distinct bruit, hence the term

aneurismal goitre often applied to such. In other instances the venous

element predominates, when the swelling will, as in the arterial

variety, be compressible and communicate to the ear a well-marked

blowing sound or murmur. As the superficial veins, in common with the

deep ones, are enlarged and tortuous, the surface of the tumor will

often exhibit at different points a bluish appearance. In two

instances, and in females of a highly-wrought nervous temperament, I

have known the vascular goitre to enlarge in a few minutes to wellnigh

twice its usual size, threatening the patient with suffocation for the

time, and almost as quickly subside after a free emesis.

In gelatinoid goitre the follicles of the gland are distended so as to

form large cavities filled with a gelatinoid- or colloid-looking

substance, the product of the enclosed cells. As the distension of the

follicles progresses the vascularity of the gland becomes notably less,

the vessels being obliterated by the pressure. This tumor may attain a

very great size, is much firmer than the vascular goitre, and to the

touch has a doughy feel.

Cystic goitre is rarely such in the beginning of its history, being

often an advanced stage of the follicular variety. In the transition

the compartments of the latter undergo enlargement, their normal

cell-contents being replaced by an albuminoid transudation from the

vessels of the follicles. This process continuing, the interfollicular

connective tissue disappears--a mechanical result caused by pressure.

Still later, and from this cause, the walls of the adjoining follicles

suffer a similar fate, and as these melt away larger cavities are

formed, until at length the whole interior of the gland is converted

into a number of loculi, and in some rare instances into one great sac.

The gelatinoid or colloid goitre may undergo a similar transformation,

and much in the same way. The fluid contents of cystic goitre vary in

their physical properties as also in their chemical constitution.

Generally the substance contained in the cysts is rich in albumen, has

a ropy appearance resembling somewhat the white of an egg, and to the

feel is viscous or unctuous, similar to that of the synovial secretion.

Sometimes it is dark, resembling coffee-grounds--a condition due to the

decomposition of extravasated blood derived from ruptured blood-vessels

belonging to the gland. Crystals of cholesterin are also present,

formed by fatty degeneration of the cells of the follicles, and mingled

with a variable amount of sodium chloride. The cystic goitre is soft

and fluctuating, and often grows to a large size.

* * * * *

The blood-vessels of goitre are not exempt from pathological changes,

but frequently become the subjects of atheromatous and amyloid changes.

Carcinoma and Sarcoma of the Thyroid Gland.

Malignant growths of the thyroid body are comparatively rare, and when

present are accompanied by symptoms sufficiently significant to

differentiate them from those which are benign. In both carcinoma and

sarcoma the increase of the tumor is rapid; the surface veins become

very distinct, and the enlargement is general, affecting the entire

gland. In addition to the above phenomena, the evil effect resulting

from pressure is sooner realized and more pronounced than in goitre,

and in a short time the generalization of the disease becomes apparent

in the loss of flesh and strength. Should {979} the tumor be a

carcinoma, there will likely follow the infection of those lymph-glands

in nearest relation to the neoplasm.

EVIL EFFECTS OF GOITRE.--In this country, though goitre may grow to a

large size, it is not common for patients to suffer any inconvenience

other than that which results from the unsightly appearance of the

tumor; hence life is not seriously imperilled by the disease.

Occasionally, however, there are exceptional instances in which

unpleasant and even troublesome symptoms are developed. Among these may

be mentioned alteration of voice or a slight aphonia in consequence of

pressure by the tumor on the recurrent laryngeal nerve. An irritating

cough may also exist, and when no evidence of pulmonary trouble is

present it must be referred to pressure upon the pneumogastric nerve.

Dyspnoea when present results usually from pressure upon the trachea.

It has been observed that when this pressure is long continued,

particularly in cases of vascular goitre, some of the rings of the

trachea gradually disappear, leaving only a membranous tube, which may

collapse and cause the sudden death of the patient.

Hiccough and diaphragmatic spasms have also occurred when the

enlargement of the gland extended laterally, in consequence of pressure

on the phrenic nerve. In addition to the above phenomena there is often

experienced in goitre severe neuralgic pains on the side of the neck,

in the ear, and over the back of the head, and indeed in the course of

any of the branches of the cervical plexus of nerves.

Occasionally I have seen a red blush of the integument on the side of

the neck, answering to the largest portion of tumor, accompanied by

increased heat, doubtless from the growth encroaching on the

sympathetic nerve.

TREATMENT.--The treatment of goitre may be divided into constitutional

and local. Too often the management of the disease is conducted in an

empirical manner, every variety being subjected to the same routine of

remedies. No greater mistake can be made. To attain any satisfactory

success it is absolutely necessary that a correct diagnosis of the

composition of the tumor shall be known. In follicular and in fibrous

goitre much may be anticipated from constitutional and local measures.

Those remedies which possess the property of inducing retrograde

changes of structure and their subsequent absorption are the ones to be

selected for administration, and among these iodine and its

combinations rank highest. The compound solution of iodine, the iodide

of potash, and the iodide of iron, all have their therapeutical

adaptiveness. The earlier treatment is commenced the more hopeful will

be the prognosis. If the patient is in all other respects in good

health, and especially is somewhat fleshy or given to obesity, the

compound solution of iodine should of preference be selected. At first

the dose should be small, in order to test the tolerance of the

stomach, not exceeding five or six drops three times a day, taken in

some sweetened water, orange syrup, or curaçoa, and always about one

hour after meals. Every two or three days the dose may be increased one

or two drops until eighteen or twenty are taken, beyond which it is not

desirable to go. It is in these forms of goitre that the burned sponge

(spongia usta) was at one time very generally used as an internal

remedy, half a drachm to a drachm being taken twice or thrice daily. As

the virtue of the article was due to the iodine it contained, it must

necessarily be inferior to the solution of the same substance.

In addition to the constitutional treatment the local use of alterative

ointments will be indicated, the best of these being iodoform, iodide

of lead, and iodide of mercury. Iodoform will be found most efficient

employed in the following formula:

Rx. Iodoform, drachm iss;

Benzoated lard, ounce j.

This ointment is to be rubbed into the goitre for fifteen or twenty

minutes {980} morning and evening, after which a piece of lint smeared

with the same should be laid over the tumor, covered with oiled silk,

and retained in position by a strip of muslin. If the officinal

iodide-of-lead ointment be used, it will be desirable to lessen its

strength by the addition of a little simple cerate, as it is liable to

cause severe irritation of the skin when thoroughly applied, thus

neutralizing in a great measure the value of the application. Whatever

unguent is selected, the application will be best made before an open

fire.

There are several natural waters which can at the same time with the

other treatment be taken with advantage, their efficiency being due to

the iodine which they contain. The most valuable of these are

Adelheid's Quelle and Wildegger. A glass of either can be drank morning

and evening. If after two or three months' continuous treatment under

the plan described no impression is made on the disease, or in the

event of the iodine acting unpleasantly by causing symptoms of iodism,

the iodide of potash should be substituted, administering three times a

day from five to twenty grains of the salt dissolved in water and

syrup, and well diluted.

Boinet has proposed the mixture of iodine with the food as a very

satisfactory mode of introducing the drug into the system; and I

suppose that it was on the strength of this suggestion that Michaud,

with a view to protect the garrison of Étiennes against the prevailing

goitre, ordered iodine to be baked in the soldiers' bread. In cases of

goitre associated with a pale, anæmic state of the system it will often

be found necessary to alternate, for a time, the remedies already

directed with iodide of iron and cod-liver oil.

In follicular and fibrous goitres which prove rebellious to the plan of

treatment detailed a resort may be had to injections. From eight to

twenty drops of the tincture of iodine should be introduced deep into

the substance of the gland by the hypodermic syringe. This procedure

can be repeated every three or four days, selecting at each operation a

different section of the gland, at the same time carefully watching the

effect produced. Any marked elevation of temperature, local or general,

accompanied by pain or stiffness of the neck, is the signal for

suspending temporarily this form of medication. The favorable signs

following injections are the shrinking and increasing hardness of the

tumor; and so long as these processes continue progressive no

repetition of injections will be necessary.

Electrolysis constitutes another therapeutic resource, applicable not

only to the treatment of follicular and fibrous, but also to the

vascular, goitre. This agent has been favorably employed by Chvostek of

Vienna, and to some extent in this country by Baird and others. The

current used by Chvostek was one from a Siemens battery of thirteen

elements and strong enough to cause a moderate degree of burning. The

time consumed at each sitting is not to exceed five minutes, during

which the points of application must be frequently changed.

In vascular goitre, iodine, either internally or locally, effects

little good. Ergot is to be preferred. From ten to twenty drops of the

fluid extract should be given internally three times a day, with

injections of the same amount and used in the same general manner as

has been directed for the iodine.

Recently I have been using injections of carbolic acid in vascular

goitre, and thus far with the most promising results. Four or five

drops of a solution of the crystals of the acid dissolved in glycerin,

using no more of the latter than will be barely sufficient to liquefy

the crystals, should be deposited by means of the hypodermic syringe

deep into different portions of the gland at intervals of four or five

days. On the withdrawal of the instrument the puncture can be covered

with a strip of rubber adhesive plaster. The acid when thus employed

causes the tumor to shrink and become hard.

{981} Gelatinous and cystic goitres are quite intractable to

constitutional remedies. They require to be attacked locally. Bonnet

has tried caustic potash and chloride of zinc. The applications were

made over the front wall of the tumor, and in some instances to the

inner surface of the sac. The results were not of a kind to make the

method a popular one. Iodine and alcohol have also been thrown into the

parenchyma of the gland, and with a like unsatisfactory effect. Setons

have had numerous trials. The method is an old one, having been used by

Celsus, and revived from time to time by Quadi of Naples, Hutchinson,

Kennedy, and Stanton. The object in using the seton is to develop in

the tumor a destructive inflammation and suppuration. Any one who has

witnessed a case of acute suppuration in the thyroid gland will not be

anxious to repeat the experience. The purulent products are profuse,

highly offensive, and tax severely the powers of the general system;

and to these disadvantages may be added the risks of sloughing,

hemorrhage, and septic poisoning.

The treatment which promises most in gelatinous and cystic goitre is

either that practised by Gosselin or that by Morrell Mackenzie of

London. The plan of Gosselin is to make a very small incision in the

skin over the front of the tumor, in order to lessen the resistance to

the introduction of a small trocar and canula, through the latter of

which, after evacuating the cyst and washing it out with tepid water,

he injects the tincture of iodine (fluidrachm j). This injection is

allowed to remain about five minutes. Should its discharge be followed

by a flow of blood, a second and even a third injection is made before

withdrawing the canula. This operation does not materially differ from

that practised by V. Dumreicher, except that this practitioner emptied

the cyst with an aspirator previous to washing out the sac and

injecting the iodine. The method of Mackenzie, however, has succeeded

so well in practice that it is to be preferred both for efficiency and

safety. In this plan perchloride of iron is substituted for iodine. One

part of the iron is mixed with four parts of water, and after partially

emptying the cyst with a trocar and canula at its most dependent part

the fluid (fluidrachm j-fluidrachm ij) is thrown into the sac by a

syringe. The canula is now plugged with a stopper that the injection

may be retained. After three days the stopper is removed and the

contents of the sac are allowed to flow out. In case the discharge

proves to be bloody or serous, the injection is repeated; if, on the

contrary, it exhibits signs of pus the iron solution is withheld, but

the canula is permitted to remain, that free drainage may be maintained

until the goitre has been destroyed by suppuration. During the presence

of the instrument the affected part of the neck is covered by a

flaxseed-meal poultice.

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