malignant melanoma in situ

malignant melanoma in situ definition - medical

malignant melanoma in si·tu (ĭn sīˈto͞o, sēˈ-)

noun
A melanoma limited to the epidermis and composed of atypical melanocytes that may be round with abundant cytoplasm.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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