lipoma arborescens


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li·po·ma ar·bo·res·'cens

an irregularly shaped lipoma involving the synovial membrane of a joint, resulting in fingerlike or treelike hyperplastic folds in the villi.

lipoma arborescens

Orthopedics An arborescent intraarticular lipoma, usually seen in the knee associated with degenerative joint disease, rheumatoid arthritis, or joint trauma.

lipoma arborescens

An abnormal treelike accumulation of fatty tissue in a joint.
See also: lipoma
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References in periodicals archive ?
Bansal, "Villous lipomatous proliferation of the synovial membrane (lipoma arborescens)," Journal of Bone and Joint Surgery--Series A, vol.
Monllau, "Primary lipoma arborescens of the knee may involve the development of early osteoarthritis if prompt synovectomy is not performed," Journal of Orthopaedics and Traumatology, vol.
Rabassa, "Lipoma arborescens of the shoulder: magnetic resonance imaging findings," Canadian Association of Radiologists Journal, vol.
Bergaoui, "Lipoma arborescens affecting multiple joints," Skeletal Radiology, vol.
Neumann, "Case report: lipoma arborescens of the sub-deltoid bursa," British Journal of Radiology, vol.
Kim, "Lipoma arborescens associated with osseous/chondroid differentiation in subdeltoid bursa," International Journal of Shoulder Surgery, vol.
Less than 100 cases of lipoma arborescens have been reported in the literature.
A synovial reaction triggered by a trauma has been postulated, but most patients with lipoma arborescens do not have a history of trauma and nor did our patient.
The hypothesis of lipoma arborescens being a reaction to chronic inflammation is supported by the histological finding of a mononuclear cell infiltrate in the underlying synovial membrane [13].
Childhood lipoma arborescens presenting as bilateral suprapatellar masses.
Bilateral lipoma arborescens of the knee in a child: a case report.
Chronic monoarthritis due to lipoma arborescens. J Rheumatol 1990;17:861-2.