DOI: http://dx.doi.org/10.18203/issn.2455-4510.IntJResOrthop20191004

Localised pigmented villonodular synovitis of Hoffa’s fat pad- treatment using 70 degree arthroscope and superolateral portal: a case report

Sumedh H. Magar, Hemant S. Magar

Abstract


The localized form of pigmented villo-nodular synovitis (PVNS) is a rare pathological entity characterized by limited involvement of the synovium. The knee is the most commonly affected joint, and the disorder presents as a nodular, pedunculated lesion. The lesion usually presents as mechanical symptom such as locking of the knee. We report a case of localized PVNS that involved patellar fat pad an extremely rare area of involvement, previously described only in 4 cases, presenting as palpable mass. Complete excision of the lesion was performed through superolateral portal with use of 70-degree arthroscope. 70-degree arthroscope allows us to completely visualize infra-patellar region through superolateral portal and is recommended than 30-degree arthroscope for treatment of infra-patellar lesions. Patient was symptomless at 3 months follow up.

 

 


Keywords


Pigmented villo-nodular synovitis, Knee joint disorder, Arthroscopy

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