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A tumour composed of newly formed nerve tissue is spoken of as a #true neuroma#; when ganglionic cells are present in addition to nerve fibres, the name ganglionic neuroma is applied. These tumours are rare, and are chiefly met with in the main cords or abdominal plexuses of the sympathetic system of children or young adults.
They are to be distinguished from such over-growths as are of the nature of simple hypertrophy or local giantism, and also from inflammatory swellings, which usually develop under the influence of a definite cause, have a natural termination, and tend to disappear when the cause ceases to act. The etiology of tumours is imperfectly understood.
But if we turn to pathology, it offers us some remarkable approximations to true Xenogenesis. As I have already mentioned, it has been known since the time of Vallisnieri and of Réaumur, that galls in plants, and tumours in cattle, are caused by insects, which lay their eggs in those parts of the animal or vegetable frame of which these morbid structures are outgrowths.
Then the poor rachitic girls displaying their waxen complexions and slender necks eaten into by sores; the yellow-faced, besotted-looking women in the painful stupor which falls on unfortunate creatures devoured by cancer; and the others who turned pale, and dared not move, fearing as they did the shock of the tumours whose weighty pain was stifling them.
The fungating masses thus produced are sometimes spoken of as malignant ulcers, but as they are essentially different in their nature from all other forms of ulcers, and call for totally different treatment, it is best to consider them along with the tumours with which they are associated. Rodent ulcer, which is one form of cancer of the skin, will be discussed with new growths of the skin.
Well, he has been four days here, and is one of those I have hope for. The tumours have discharged. He is suffering now from weakness and fever; but he might get well, especially if we could move him out of this pestilential air. Go home, children, and tell your friends that if they have a place to take him to he will not infect them now, and will have a better chance.
Where fibrous tumours exist, the treatment is to douche cold water on the part affected, while the rest of the body is kept warm. In case of such a growth in the abdomen, the patient sits in cold water, while the feet are placed in hot water, and the whole body warmly wrapped in blankets. Cold water is then thrown against the spot where the tumour lies.
There were, indeed, several doctors who published bills recommending their several physical preparations for cleansing the body, as they call it, after the plague, and needful, as they said, for such people to take who had been visited and had been cured; whereas I must own I believe that it was the opinion of the most eminent physicians at that time that the plague was itself a sufficient purge, and that those who escaped the infection needed no physic to cleanse their bodies of any other things; the running sores, the tumours, &c., which were broke and kept open by the directions of the physicians, having sufficiently cleansed them; and that all other distempers, and causes of distempers, were effectually carried off that way; and as the physicians gave this as their opinions wherever they came, the quacks got little business.
Structure of skin Blisters Callosities Corns Chilblains Boils Carbuncle Abscess Veldt sores Tuberculosis of skin: Inoculation tubercle Lupus: Varieties Sporotrichosis Elephantiasis Sebaceous cysts or wens Moles Horns New growths: Fibroma; Papilloma; Adenoma; Epithelioma; Rodent cancer; Melanotic cancer; Sarcoma AFFECTIONS OF CICATRICES Varieties of scars Keloid Tumours AFFECTIONS OF NAILS.
Diagnosis. Pain referred along the course of the sciatic nerve on one side, or, as is sometimes the case, on both sides, is a symptom of tumours of the uterus, the rectum, or the pelvic bones. It may result also from the pressure of an abscess or an aneurysm either inside the pelvis or in the buttock, and is sometimes associated with disease of the spinal medulla, such as tabes.
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