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Updated: May 31, 2025
This is the process of spore-formation and we see that from a single individual we may have by division, not two animals as in the amoeba, but a score or more of them. The little cysts or capsules that inclose them enable them to resist without injury many vicissitudes that would otherwise destroy them.
This thrill is not often obtainable, and in any case is not pathognomonic of hydatids, as it may be elicited in ascites and in other abdominal cysts. Pressure of the cyst upon adjacent structures, and the occurrence of suppuration, are attended with characteristic clinical features. The diagnosis of hydatids will be considered with the individual organs.
The nodules or cysts on the walls of the stomach of the mosquito may contain as many as ten thousand sporozoites, and as many as five hundred cysts may occur on a single stomach.
Lymphangiomas are met with in the abdomen in the form of omental cysts. #Lymphadenitis.# Inflammation of lymph glands results from the advent of an irritant, usually bacterial or toxic, brought to the glands by the afferent lymph vessels. These vessels may share in the inflammation and be the seat of lymphangitis, or they may show no evidence of the passage of the noxa.
A rarer variety is the ossifying chondro-sarcoma, which undergoes ossification to such an extent as to be visible in skiagrams. In primary sarcoma the treatment consists in removing the muscle. In the limbs, the function of the muscle that is removed may be retained by transplanting an adjacent muscle in its place. Hydatid cysts of muscle resemble those developing in other tissues.
It was a pedunculated growth, and it was undoubtedly vesical and not expelled from some ovarian source through the urinary passage, as sometimes occurs. The simpler forms of the ordinary dermoid cysts contain bone and teeth.
Sometimes the ovaries are diseased and become enlarged, tender and filled with fluid. Then they are spoken of as cystic tumors or as cysts. The tubes may become inflamed and filled with pus. The most common cause of these pus tubes is one of the black plagues. With all these tumors the treatment usually is to remove the tumor and sometimes the entire organ.
The curious cases mentioned by older writers, and called abortion by the mouth, etc., are doubtless, in many instances, remnants of extrauterine pregnancies or dermoid cysts. Maroldus speaks in full of such cases; Bartholinus, Salmuth, and a Reyes speak of women vomiting remnants of fetuses.
Also in the breast and in the prostate, with the waning of sexual life there may occur a formation of fibrous tissue chronic interstitial mastitis, chronic prostatitis, having analogies with the chronic interstitial inflammations of internal organs like the kidney chronic interstitial nephritis; and in the breast and prostate, as in the kidney, the formation of fibrous tissue leads to changes in the secreting epithelium resulting in the formation of cysts.
The organ present was small, 3/4 inch long by 1/2 inch broad, and microscopic sections showed in one part actively growing areas of tubular gland structure in some of which bodies like spermatozoa could be detected, while in another were fibrous tissue with degenerating cysts. The latter appear to have been degenerating egg follicles.
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