Extraparenchymal extension

What does extraparenchymal extension mean? The term extraparenchymal extension is used to describe the spread of tumour cells into the tissues surrounding an organ. In order to be considered extraparenchymal extension, the tumour must have started within the parenchyma of an organ. As a result, tumours that start in the connective tissue surrounding an organ …
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What does parenchyma mean? In pathology, the term parenchyma refers to the tissue normally found within an organ. Specifically, it is made up of cells that carry out the specific function of the organ. As a result, the types of cells found in the parenchyma will depend on the organ being examined. For example, the …
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