Definitions Flashcards
Define pleomorphic
Variability is size and shape of cells or nucleus
Define desmoplastic reaction
Increased deposition of Extra cellular matrix and collagen by stromal cells
Nests
A useful descriptive term
Tongues
A useful descriptive term
Pallisading
Necrosis surrounded by increased cellularity
What is myxoid
A gelatinous material produced by soft tissue cells that is not as thick as mucin. Comlex sugars/mucopolysaccharides. Stains less blue than mucin, less stringy.
What are psammoma bodies, and what malignancies are they associated with
Round Collections of calcium seen microscopically.
Associated with thyroid (papillary), renal cell, ovarian, endometrial, lung (Epithelioid mesothelioma), meningioma