pigmented villonodular synovitis

(redirected from chronic hemorrhagic villous synovitis)
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pig·men·ted vil·lo·nod·u·lar syn·o·vi·tis

diffuse outgrowths of synovial membrane of a joint, usually the knee, composed of synovial villi and fibrous nodules infiltrated by hemosiderin- and lipid-containing macrophages and multinucleated giant cells; the condition may be inflammatory, although recurrence is likely to follow incomplete removal.

pigmented villonodular synovitis

[pig′məntid]
a disease of the joints characterized by fingerlike proliferative growths of synovial tissue, with hemosiderin deposition within the synovial tissue. The cause of the disorder is unknown.

pigmented villonodular synovitis

Orthopedics A lesion of knee–less commonly, ankle, hip, shoulder of young adults Management Excision, re-excision DiffDx Fibrosarcoma, synovial sarcoma, incontinentia pigmenti

pig·men·ted vil·lo·nod·u·lar sy·no·vi·tis

(pig-ment'ed vil'ō-nod'yū-lăr sin'ō-vī'tis)
Diffuse outgrowths of synovial membrane of a joint, usually the knee, composed of synovial villi and fibrous nodules infiltrated by hemosiderin- and lipid-containing macrophages and multinucleated giant cells; the condition may be inflammatory, although recurrence is likely to follow incomplete removal.

pigmented

colored by deposit of pigment.

pigmented villonodular synovitis
a disease of humans characterized by the development of nodular and villous synovial proliferations; similar lesions are reported in horses and dogs; pigmentation results from deposition of blood pigments.
References in periodicals archive ?
The diffuse form tends to affect the entire synovial membrane and has variously been called chronic hemorrhagic villous synovitis, giant cell fibrohemangioma, and benign polymorphocellular tumor of the synovium.

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