| mohs surgery | A surgical technique used primarily in the treatment of skin neoplasms, especially basal cell or squamous cell carcinoma of the skin. This procedure is a microscopically controlled excision of cutaneous tumours either after fixation in vivo or after freezing the tissue. Serial examinations of fresh tissue specimens are most frequently done. (12 Dec 1998) |
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| Mohs' micrographic surgery | A technique for removal of skin tumours with a minimum of normal tissue, by prior necrosis with zinc chloride paste, mapping of the tumour site, and excision and microscopic examination of frozen section of thin horizontal layers of tissue, until all of the tumour is removed. More recently, the preliminary step of chemical necrosis has been omitted. Synonym: microscopically controlled surgery, Mohs' micrographic surgery, Mohs' surgery. (05 Mar 2000) |
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| Mohs' surgery | A technique for removal of skin tumours with a minimum of normal tissue, by prior necrosis with zinc chloride paste, mapping of the tumour site, and excision and microscopic examination of frozen section of thin horizontal layers of tissue, until all of the tumour is removed. More recently, the preliminary step of chemical necrosis has been omitted. Synonym: microscopically controlled surgery, Mohs' micrographic surgery, Mohs' surgery. (05 Mar 2000) |
| Mohs' chemosurgery | A technique for removal of skin tumours with a minimum of normal tissue, by prior necrosis with zinc chloride paste, mapping of the tumour site, and excision and microscopic examination of frozen section of thin horizontal layers of tissue, until all of the tumour is removed. More recently, the preliminary step of chemical necrosis has been omitted. Synonym: microscopically controlled surgery, Mohs' micrographic surgery, Mohs' surgery. (05 Mar 2000) |
| Mohs, Frederic | <person> U.S. Surgeon, *1910, who as a medical student devised a system of microscopicaly controlled removal of skin tumours. See: Mohs' fresh tissue chemosurgery technique, Mohs' chemosurgery. (05 Mar 2000) |
| Mohs' fresh tissue chemosurgery technique | Chemosurgery in which superficial cancers are excised after fixation in vivo. (05 Mar 2000) |
| Mohs, Friedrich | <person> German mineralogist, 1773-1839. See: Mohs scale. (05 Mar 2000) |
| Mohs scale | A qualitative scale in which minerals are classified in order of their increasing hardness, based on the fact that the harder of two materials will scratch the softer and will not be scratched by it. The scale lists 15 substances: 1, talc; 2, gypsum; 3, calcite; 4, fluorite; 5, apatite; 6, orthoclase, periclase; 7, vitreous pure silica; 8, quartz, stellite; 9, topaz; 10, garnet; 11, tantalum carbide, fused zirconia; 12, fused alumina; 13, silicon carbide; 14, boron carbide; 15, diamond. Synonym: Mohs scale. (05 Mar 2000) |
| ambulatory surgery | <surgery> Operative procedures performed on patients who are admitted to and discharged from a hospital on the same day. (05 Mar 2000) |
| aseptic surgery | The performance of an operation with sterilised hands, instruments, etc., and utilizing precautions against the introduction of infectious microorganisms from without. (05 Mar 2000) |
| cardiovascular surgery | The use of surgery to fix disorders of the heartand/or blood vessels. (09 Oct 1997) |
| radical surgery | Surgery designed to remove all possible diseased tissue, for example, all possible tumour tissue. (12 Dec 1998) |
| major surgery | See: major operation. (05 Mar 2000) |
| vascular surgery | A branch of medicine dealing with the use of surgery to diagnose/treat diseases of the blood vessels. (09 Oct 1997) |
| general surgery | A surgical specialty that involves largely the surgical management of diseases of the bowel, gallbladder, stomach and other digestive organs. (27 Sep 1997) |
| reconstructive surgery | The surgical specialty or procedure concerned with the restoration, construction, reconstruction, or improvement in the shape and appearance of body structures that are missing, defective, damaged, or misshapen. (05 Mar 2000) |