The principles of surgery . e interesting and im-portant. In the uterus, andelsewhere, they often becomethe seat of calcareous deposi-tion to a very great extent;and may thus assume an almostbony hardness. The deposit ishowever quite amorphous, andhas none of the characters oftrue bone. Some tumors, alsoessentially fibrous, have moreor less of the dense, compact,homogeneous, character of car-tilage ; and these are called byMiiller Chondroid. They cancommonly be distinguished fromcartilage, even by the naked eye; and always by the microscope. The diagnosis of fibrous tumors is ordinarily not at
The principles of surgery . e interesting and im-portant. In the uterus, andelsewhere, they often becomethe seat of calcareous deposi-tion to a very great extent;and may thus assume an almostbony hardness. The deposit ishowever quite amorphous, andhas none of the characters oftrue bone. Some tumors, alsoessentially fibrous, have moreor less of the dense, compact,homogeneous, character of car-tilage ; and these are called byMiiller Chondroid. They cancommonly be distinguished fromcartilage, even by the naked eye; and always by the microscope. The diagnosis of fibrous tumors is ordinarily not attended with muchdifficulty. They are the most dense and firm of all simple tumors ofthe soft parts. Their shape is irregularly globular, their surface beingfrequently nodulated. The investing cyst is thick and strong, present-ing a smooth surface to the tumor, with which it is slightly are perfectly circumscribed, movable, and independent of thetissue in which they appear. They may occur in any situation; but. Large fibrous tumor growing from the neck. Was suc-cessfully removed. FATTY TUMORS. 273 are most frequently found in the neck, in the vicinity of the mammaryand parotid glands, and connected with the uterus. They are painless;slower in growth than any other tumor, and the least liable to changein structure or tendency. They are consequently inconvenient onty bytheir bulk; and by the uneasy sensations, and interruption to function,which their compression of neighboring parts may occasion. Lately, it has been asserted that the fibrous tumor never degene-rates ; and that, as it is also of slow growth, it need not be made thesubject of operation, early, or at all. This, however, seems to be anexaggeration of the fact. It is slow of growth as a fibrous tumor, andis little prone to abandon that character; but age of the patient, andaccidents of the system, duration of the tumor, and its frequent stimu-lation, may force even the fibrous structure into degeneracy,
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