Definition: Neoplasms composed of lymphoid tissue, a lattice work of reticular tissue the interspaces of which contain lymphocytes. The concept does not refer to neoplasms located in lymphatic vessels.
neoplasms composed of lymphatic tissue, not located in lymphatic tissue: TN 135; /blood supply /chem /second /secret /ultrastruct permitted; coord with precoord organ/neopl term; restricted use: Manual 24.2.2.5
ExamplesLymphangioma; Lymphangiomyoma; Lymphangiosarcoma