. Tumours, innocent and malignant; their clinical characters and appropriate treatment. TUMOVUS Orlow, L. W., Die Exostosis Bursata unci ihre Entstehung-.—Devtsche Zdtschr. f. CMt., 1891, xxxi. , J., Case of Disease of the Spinal Cord, from an Exostosis of the Second Cervical Vertebra.—Lond. and Edin. Mooitldy Journ. of Med. Sci., 1843, iii. , 0., Exostosis Bursata mit freien Knorpelkorpern.—Beit. z. hUn. CUr., 1903, xxxvii. , H., Bony Overgrowths or Exostoses in the West Indian Negro.— Brit. Mod. Jmirn., 1894, i. , Sir William, On Exostoses within the
. Tumours, innocent and malignant; their clinical characters and appropriate treatment. TUMOVUS Orlow, L. W., Die Exostosis Bursata unci ihre Entstehung-.—Devtsche Zdtschr. f. CMt., 1891, xxxi. , J., Case of Disease of the Spinal Cord, from an Exostosis of the Second Cervical Vertebra.—Lond. and Edin. Mooitldy Journ. of Med. Sci., 1843, iii. , 0., Exostosis Bursata mit freien Knorpelkorpern.—Beit. z. hUn. CUr., 1903, xxxvii. , H., Bony Overgrowths or Exostoses in the West Indian Negro.— Brit. Mod. Jmirn., 1894, i. , Sir William, On Exostoses within the External Auditory Meatus.— Jovrn. of Anat. and Phys., 1879, xiii. , Otto, Zur Geschichte des Enchondroms namenlich in Bezag auf dessen hereditares Vorkommen und secundare Verbreitung in inneren Organen darch Embolie.—Virchows Arch. f. path. Anat., 1866, xxxv. 501. CHAPTEK IVMYELOMAS A MYELOMA is composed of tissue identical with the red marrowof young bone. These tumours were formerly called myeloidsarcomas. The genus contains a single species—myelomas. These. Fig. 26.—Microscopic characters of a myeloma from the acromial end of the clavicle. tumours arise only in the cancellous tissue of bone. Whenfresh the cut surface of the tumour is deep red, and looksnot unlike a piece of fresh liver, and is very vascular. Micro-scopically, this tissue abounds in large multinuclear cells(giant cells, myeloplaques) embedded among round andspindle cells. The giant cells are so numerous as to consti-tute the greater proportion of the tumour (Fig. 26). The distribution of myelomas is that of red marrow, butthey exhibit a striking preference for certain bones ; the tibia 45 46 G0NNEGTIYE-TI8SVE TUM0UB8 is tlie favourite bone in the lower, and the radius in the upperHrnb; whilst so far as the bones of the head are concerned,they appear to be peculiar to the jaw-bones. I have neverseen a myeloma in a vertebra. In the long bones they arisein the shaft of the bone immediate
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectneoplasms, bookyear19
