lipoma

(redirected from lipoma arborescens)
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  • noun

Synonyms for lipoma

a tumor consisting of fatty tissue

References in periodicals archive ?
Shivanand, "Bilateral lipoma arborescens with osteoarthritis knee: case report and literature review," Journal of Clinical Orthopaedics and Trauma, vol.
Cil, "Lipoma arborescens of the knee," Knee Surgery, Sports Traumatology, Arthroscopy, vol.
Wenger, "Lipoma arborescens: comparison of typical and atypical disease presentations," Clinical Radiology, vol.
Mitchell, "Synovial and tenosynovial lipoma arborescens of the ankle in an adult: a case report," Skeletal Radiology, vol.
Bansal, "Villous lipomatous proliferation of the synovial membrane (lipoma arborescens)," The Journal of Bone & Joint Surgery--American Volume, vol.
Dumontet et al., "Synovial lipoma arborescens of the hip," Clinical Rheumatology, vol.
Lipoma arborescens is a rare, intraarticular lipoma-like lesion characterized by fatty infiltration of the subsynovial tissue.
Lipoma arborescens is seen between the ages of nine and 66 with male predominance.
In lipoma arborescens, a villous synovial mass or mass-like subsynovial deposits are observed, which have signal intensities that are similar to fat on all pulse sequences.15 Second, lipoma arborescens is characterized by a diffuse subsynovial deposition of fat and a villous appearance, which is associated with joint effusions, synovial cysts, and bone erosions, whereas, intra-articular synovial lipomas cause no obvious arthritic changes.15 Finally, upon macroscopic examination, intra-articular synovial lipomas usually appear as small, yellowish, and solitary polyp-like masses, which have a round or oval shape and a short stalk, whereas, lipoma arborescens usually appear as a large, frond-like mass.9
Lipoma arborescens as an unusual cause of recurrent effusion in knee osteoarthritis: sonographic and arthroscopic appearance.
MRI demonstrated moderate knee osteoarthritis, a region of chondropathy in the medial tibial cartilage, and marked effusion with multiple fatty synovial proliferations, which is pathognomonic of lipoma arborescens (Figures 2 and 3).
The diagnosis of lipoma arborescens was confirmed on histological examination (Figure 4).
Although routine laboratory evaluations were within normal limits, an MRI demonstrated characteristic features of lipoma arborescens in the right knees of both children.
(7), (8) Lipoma arborescens is a rare intraarticular disorder characterized by villous lipomatous proliferation of the synovial membrane.