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surgical margin
Pathology:
- histological assessment of normal tissue surrounding tumor visible on light microscopy
- width of normal tissue excised during surgical excision of lesion (especially tumor)
- if the margins do NOT contain extension(s) of the lesion (tumor cells), the margins are said to be clean or free
Specific
clear margin
closest surgical margin when margins clear in colorectal cancer
depth of deep margin in cutaneous melanoma
distance of carcinoma from surgical margin
surgical margin DCIS involvement in breast cancer
surgical margin involvement in breast cancer specimen
surgical margin tumor involvement in colorectal cancer
surgical margin tumor involvement in cutaneous melanoma
General
DESCRIPTOR
References
- Stedman's Medical Dictionary 27th ed, Williams &
Wilkins, Baltimore, 1999.
- Wikipedia: Surgical margin
http://en.wikipedia.org/wiki/Surgical_margin