Gouty Tophi Mimicking Synovial Sarcoma of the Knee Joint

Unusual Gouty Tophi Simulating Malignancy

“…There is limited number of papers reporting gouty tophi that mimics malignancy radiologically. [9][10][11][12][13] The hand and foot lesions in our case had atypical radiographic findings with destructive bone and joint changes simulating a malignancy. Roentgenographic changes in gouty arthropathy are not sufficiently sensitive and specific for the diagnosis.…”

Unusual Finding of Gouty Tophus in Adult Male with Acute Locked Knee: A Rare Case Report

“…e common causes are mechanical factors with various aetiologies, including traumatic injury to the joint adjacent structures, in ammation, masses, or tumours [6]. Masses developing in the intra-articular knee can cause mechanical obstruction, limiting the knee exion or extension movement [4]. Intraarticular masses involving cartilage, menisci and ACL manifesting as locked knee are rare on diagnostic arthroscopy [7,8].…”

“…e high diversity of culinary trends containing these ingredients o en results in an increased incidence of gout with various distinctive clinical manifestations. Tophus deposition is one of the most common late manifestations of chronic gout; however, it rarely causes complications of sudden inability in joint movement [4]. e sudden inability in knee joint movement o en causes a condition called an acute locked knee.…”

<p>Atypical musculoskeletal manifestations of gout in hyperuricemia patients</p>

“…This atypical presentation misled to the diagnosis of internal derangement of the knee. Other previous reports of a case of painful and locked knee due to gouty tophi reveal spontaneous disease resolution using a trial of prolonged allopurinol and narcotics treatment instead of surgery, which is more commonly reserved for cases with severe deformity, loss of function, and persistent pain 25–28…”