Desmoplasia
Desmoplasia refers to growth of dense connective tissue or stroma. This growth is characterized by low cellularity with hyalinized or sclerotic stroma and disorganized blood vessel infiltration. This growth is called a desmoplastic response and occurs as result of injury or neoplasia. This response is coupled with malignancy in non-cutaneous neoplasias, and with benign or malignant tumors if associated with cutaneous pathologies.
The heterogeneity of tumor cancer cells and stroma cells combined with the complexities of surrounding connective tissue suggest that understanding cancer by tumor cell genomic analysis is not sufficient; analyzing the cells together with the surrounding stromal tissue may provide more comprehensive and meaningful data.
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