Pigmented Villonodular Synovitis of the Zygoapophyseal Joint

Rovner, Joshua; Yaghoobian, Arash; Gott, Merryn; Tindel, Nathaniel L.

doi:10.1097/brs.0b013e31817eb85a

Cited by 13 publications

(8 citation statements)

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“…PVNS usually involves the knee and hip joint. Involvement of the facet joint by PVNS with bony erosion of the adjacent lamina is rarely reported (21, 22). These tumors cannot be differentiated by imaging findings alone.…”

Section: Discussionmentioning

confidence: 99%

Desmoid Type Fibromatosis in the Facet Joint of Lumbar Spine: Case Report and Review of Literature

Kim

Lee

et al. 2013

Korean J Radiol

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Desmoid type fibromatosis is a benign fibroblastic tumor arising from the fascia or musculoaponeurosis. It may occur in various locations, but most commonly in the shoulder girdle and neck; to our knowledge, there has been no reported case originating from a facet joint of the spine. We report CT and MR imaging findings of a desmoid type fibromatosis, involving the facet joint of the L3-4 spine with bone involvement.

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Section: Discussionmentioning

confidence: 99%

Desmoid Type Fibromatosis in the Facet Joint of Lumbar Spine: Case Report and Review of Literature

Kim

Lee

et al. 2013

Korean J Radiol

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“…The presence of inflammatory cells: histiocytes, macrophages, may suggest an underlying inflammatory process 11 . Post‐traumatic hemorrhage is also mentioned, but there would be no statistical correlation between traumas and PVNS, as is the case for our patient 12,13 . In one case, trisomy 7 was documented suggesting that chromosomic aberrations may lead to PVNS, thus the interest to orientate researches toward genetics 14 …”

Section: Discussionmentioning

confidence: 75%

Villonodular synovitis of the lumbar spine: Case report of a rare pathology

Gader

Belaïd

Zehani

et al. 2020

Clinical Case Reports

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Pigmented villonodular synovitis (PVNS) is a rare proliferative disorder of an uncertain origin belonging to benign synovial dystrophies, characterized by villous or nodular hyperplasia of the synovium. 1,2 There are mainly two types of PVNS: the first affects the synovium of a joint diffusely, whereas the second localized form focally involves the synovium about a tendon sheath. 1,3 The diffuse form is usually monoarticular, affecting large joints such as knees, hips, ankles, shoulders, and elbows. 1,4 But PVNS rarely involves the axial skeletal system. 5-7 Within the spine, lumbar localizations are the less encountered. Thus, their description in the literature is only restricted to some case reports. 1,7 In this paper, we report a new case of a PVNS of the lumbar spine and try to review different epidemiologic, clinic, radiologic, and therapeutic features related to this pathologic entity.

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“…When affecting the spine the first symptom is usually back pain, and progressive neurologic deficit occurs after the spinal cord is compromised [4]. Neurological signs differ according to the level of the tumoral mass.…”

Section: Discussionmentioning

confidence: 99%

“…The diffuse form also appears to be identical histologically to the localized form but involves the entire synovium. It commonly affects the synovium of the large joints of the extremities such as knee, hip, and shoulder and theoretically may arise from any synovium in the body [3, 4]. PVNS is characterized as villous or nodular proliferation of the synovial tissue and due to presence of hemosiderin pigment presents yellow to brownish color on gross appearance [4–6].…”

Section: Introductionmentioning

confidence: 99%

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Pigmented Villonodular Synovitis of the Thoracic Vertebra Presenting with Progressive Spastic Paraparesis

Çeliktaş

Aşık²,

Gezercan

et al. 2013

Case Reports in Orthopedics

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Pigmented villonodular synovitis (PVNS) is a proliferative benign lesion originating from the synovium and commonly affects large joints of the extremities. PVNS can arise from any synovium in the whole body and rarely affects the zygapophyseal joints of the spine. Spinal PVNS is diagnosed mostly after resection of the mass. In our case we present a 22-year-old male patient showing progressive spastic paraparesis with insidious onset of back pain and difficulty of walking in a relatively short period of 1 month. After gross excision of the mass, diagnosis was established through histopathology. Two years of follow-up period reveals complete resolution of the patient's complaints and no recurrence on radiologic images.

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Pigmented Villonodular Synovitis of the Zygoapophyseal Joint

Abstract: We have learned from this case that PVNS of the facet joint, although exceedingly rare must be considered as a possible cause of expanding lytic lesions of the spine.

Cited by 13 publications

References 0 publications

Desmoid Type Fibromatosis in the Facet Joint of Lumbar Spine: Case Report and Review of Literature

Desmoid Type Fibromatosis in the Facet Joint of Lumbar Spine: Case Report and Review of Literature

Villonodular synovitis of the lumbar spine: Case report of a rare pathology

Pigmented Villonodular Synovitis of the Thoracic Vertebra Presenting with Progressive Spastic Paraparesis

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