. A practical treatise on tumors of the mammary gland: . d, after careful re-search, I have been able to collect only ten examples,confiiTned by minute inspection. In structure, pure or hyaline myxoma has its phys-iological prototype in the soft rudimentary connec-tive tissue and enamel organ of the foetus, in theAATiartonian jelly of the umbilical cord, and in theadult vitreous body. It consists, as is represented infig. 13,* of a meshwork of vessels, the spaces between From a section of a recurrent tumor, of fifteen months duration, and as largeas an egg, removed, with the breast, by Dr. Bar
. A practical treatise on tumors of the mammary gland: . d, after careful re-search, I have been able to collect only ten examples,confiiTned by minute inspection. In structure, pure or hyaline myxoma has its phys-iological prototype in the soft rudimentary connec-tive tissue and enamel organ of the foetus, in theAATiartonian jelly of the umbilical cord, and in theadult vitreous body. It consists, as is represented infig. 13,* of a meshwork of vessels, the spaces between From a section of a recurrent tumor, of fifteen months duration, and as largeas an egg, removed, with the breast, by Dr. Barton, from a single woman, in whomthe primary disease developed at the age of fifty-five, or seven years after the 102 VARIETIES. wliicli are filled with a mucous substance beset mtliround and oval, but more especially with spindle andstellate cells, from which numerous filamentous andanastomosing processes or prolongations are given thus constituted have a translucent greenish,yello^vish, or yellowish-gray color, are of soft, jelly- Fro. Hyaline Myxoma.—Showing the characteristic anastomosing stellate and spin-dle cells, as well as round cells, which are contained in the meshes of a vas-cular network. The nuclei in the walls of the vessels are very apparent. like consistence, and yield, ou pressure or scraping, aclear, sticky, viscid, or filamentous fluid, similar to asolution of gum-arabic, and exhibiting the chemicalcharacters of mucin. From this simple tjpe of structure there are cer-tain deviations, throuo;h which are constituted thefollowing^ varieties: a. Medullary Myxoma.—When the cells, which,compared with the intercellular substance, are usu- menopause. It was soft and pseudofluctuating; the skin, to a limited extent, wasadherent, and had a bluish tint; but there were no deep attachments or othercomplications. On section, the cut surfaces were of a dark-red color, andyielded, on pressure, a viscid fluid. The entire tumor was inclosed in a delicateca
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