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To these are added tumors composed of an atypical growth of a connective tissue, chiefly manifested by a predominance of cells: Endothelioma, Sarcoma.

Type of endothelial tissue Endothelioma.

It is sometimes the seat of endothelioma.

This was formerly believed to be an endothelioma derived from a proliferation of the endothelial cells lining the lymph spaces and blood vessels of the gland.

Various forms of growth occur in the brain, the most common being tuberculous nodules, syphilitic gumma, endothelioma, glioma, and sarcoma.