Neoplastic Process
lymphangiomyoma
Subclass of:
Lymphoproliferative Disorders; Lymphatic Vessel Tumors
Definitions related to lymphangiomyoma:
  • A tumorlike condition characterized by SMOOTH MUSCLE and ENDOTHELIUM proliferation of LYMPHATIC VESSELS and LYMPH NODES in the MEDIASTINUM and retroperitoneum, also in the lung. It may be manifested by chylous PLEURAL EFFUSION and ASCITES.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • (lymphangioleiomyoma) A neoplasm with perivascular epithelioid cell differentiation, often associated with tuberous sclerosis. It is characterized by the presence of smooth muscle and epithelioid cells and by the proliferation of lymphatic vessels. Sites of involvement include the lymph nodes, lung, mediastinum, and retroperitoneum.
    NCI
    U.S. National Cancer Institute, 2021
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