[Chondrosarcoma. (An electronmicroscopic study) (author's transl)]. 1978

W Wenkelmann, and W Becker, and M Cserhati

The ultrastructure of 6 chondrosarcomas was analysed. These areas which by means of light microscopy appear benign, displayed the same appearance as chondromas. Malignant areas are characterised by distined variation of cells, nuclei and nucleoli. There is an electron-dense zone of 400 A between the inner membrane of the nucleus and the chromatic in some nuclei containing dense chromatin. The amount of cytoplasmatic organellae decreases as differentiation decreases. Nevertheless there are sometimes cells with an unusual accumulation of cytoplasmic organellae.

UI MeSH Term Description Entries
D001859 Bone Neoplasms Tumors or cancer located in bone tissue or specific BONES. Bone Cancer,Cancer of Bone,Cancer of the Bone,Neoplasms, Bone,Bone Neoplasm,Neoplasm, Bone
D002454 Cell Differentiation Progressive restriction of the developmental potential and increasing specialization of function that leads to the formation of specialized cells, tissues, and organs. Differentiation, Cell,Cell Differentiations,Differentiations, Cell
D002812 Chondroma A benign neoplasm derived from mesodermal cells that form cartilage. It may remain within the substance of a cartilage or bone (true chondroma or enchondroma) or may develop on the surface of a cartilage (ecchondroma or ecchondrosis). (Dorland, 27th ed; Stedman, 25th ed) Enchondroma,Chondromas,Enchondromas
D002813 Chondrosarcoma A slowly growing malignant neoplasm derived from cartilage cells, occurring most frequently in pelvic bones or near the ends of long bones, in middle-aged and old people. Most chondrosarcomas arise de novo, but some may develop in a preexisting benign cartilaginous lesion or in patients with ENCHONDROMATOSIS. (Stedman, 25th ed) Chondrosarcomas
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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