Synovial hemangioma of the knee joint in a 12-year-old boy: a case report

Synovial hemanjiom genellikle çocuk ve genç erişkinlerde görülen nadir rastlanan vasküler kaynaklı benign bir yumuşak doku tümörüdür [1]. Hemanjiomlar vücudun herhangi bir bölgesinde oluşabilmesine rağmen eklemlerde oldukça az oranda görülür. En sık diz ekleminde görülmekle birlikte dirsek, el bileği, ayak bileği, temporamandibular eklem ve tendon kılıfında da oluştuğu bildirilmiştir [1-3]. Klinik olarak en sık tutulan eklemde ağrı, hassasiyet, eklem hareketlerinde kısıtlılık görülür. Atravmatik ve tekrarlayıcı hemartrozlar sıktır [4]. Biz 25 yaşında sağ diz ağrısı ile başvuran ve synovial hemanjiom tanısı alan hastayı sunmayı ve literatür eşliğinde tartışmayı amaçladık. ÖZET Synovial hemanjiom nadir görülen benign intraartiküler bir tümördür. Genellikle çocuklarda ve genç erişkinlerde ağrı ve tekrarlayıcı eklem şişliklerine neden olur. 25 yaşında sağ diz ekleminde synovial hemanjiom bulunan hastayı sunmayı amaçladık. Magnetik rezonans (MR) görüntülemede yumuşak doku hemanjiomlarının tipik özellikleri saptandı. Tümör lokal olarak eksize edildi. Histopatolojik tanı synovial hemanjiom olarak bildirildi.

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“…Synovial lezyonlarin tanisini koymada ve tedavisini planlamada MR ba §vurulacak görüntüleme yöntemidir [8][9][10].…”

Section: Tarti §Maunclassified

Synovial Hemanjioma Of The Knee Joint: A Case Report

Duran¹,

Çavuşoğlu²,

Elverici³

2013

MMJ

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“…In human medicine, hemangioma of bone constitutes 1% of all primary bone tumors [9]. The soft tissue types are even less common, and especially synovial linings are less frequent sites of origin [9]. Since the first case was described by Bouchut in 1856, fewer than 200 cases have been reported [10].…”

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confidence: 99%

“…Nonspecific presentations are also common and may lead to a diagnostic delay of many years [9]. Usually, the dog associated with synovial hemangioma presents with a history of recurrent atraumatic bloody effusions [1,4].…”

mentioning

confidence: 99%

“…In young horses, synovial hemangioma has been recognized in carpal and digital tendon sheaths [5]. In human medicine, hemangioma of bone constitutes 1% of all primary bone tumors [9]. The soft tissue types are even less common, and especially synovial linings are less frequent sites of origin [9].…”

mentioning

confidence: 99%

“…In this case report, there was evidence of a soft tissue mass on radiographs; however, no hemarthrosis was identified on synovial fluid aspiration. In human medicine, a magnetic resonance imaging, surgical exploration and histopathology have been described for the diagnosis and management of 12-year-old boy with synovial hemangioma associated with no bloody effusion [9]. Hemarthrosis should be imperatively necessary for the diagnosis of hemangioma; however, hemarthrosis might not be concurrent with hemangioma.…”

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confidence: 99%

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Synovial Hemangioma Accompanied by Cruciate Ligament Injury in a Dog

Yoon

Shin

et al. 2013

The Journal of Veterinary Medical Science

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ABSTRACT. We report here the clinical presentation and successful surgical management of synovial hemangioma accompanied by cruciate ligament injury in a dog. Surgical correction of cruciate ligament injury was performed after removing torn cruciate ligaments, synovial mass and masses attached to the ligaments and distal femoral articular cartilage. At 10 months, the dog has showed no evidence of recurrence in the stifle joint. Synovial hemangioma, although a seemingly rare cause of stifle joint pathology, should be considered in the differential diagnosis for cruciate ligament injury when a circumscribed intra-articular soft tissue mass is evident radiographically with cranial or caudal drawer motion. This is the first case report in a dog to describe synovial hemangioma accompanied by cruciate ligament injury. In canine joints, synovial histiocytic sarcoma and synovial sarcoma are considered the most common tumors, followed by synovial cell sarcoma, myxomas, malignant fibrous histiocytoma, undifferentiated sarcoma, fibrosarcoma and chondrosarcoma [2]. Vascular tumors are common in the skin and subcutis; however, rarely recognized in the canine synovium [4]. In humans, synovial hemangioma is a rare benign vascular tumor and most commonly involving the knee [6]. To the authors' knowledge, canine synovial hemangioma has been described in only two case reports [1,4]. The purpose of this case report is to describe the clinical presentation and successful surgical management of synovial hemangioma accompanied by cruciate ligament injury in a dog. This is the first case report in a dog to describe synovial hemangioma accompanied by cruciate ligament injury.A 27-kg, 5-year-old, intact female Jindo dog was presented for evaluation of progressive left pelvic limb lameness of a few weeks' duration. The owner reported that the dog showed initial lameness on a walk. On physical examination, the dog was reluctant to walk and showed non-weight bearing lameness. Soft tissue swelling around the stifle joint and marked muscle atrophy of the left pelvic limb were obvious. There were both cranial and caudal drawer signs with pain that was elicited on the left stifle joint manipulation. Mediolateral radiographic projection of the left pelvic limb revealed a well-defined mass with soft tissue opacity in the proximal aspect of the infrapatellar fat pad, caudal tibial displacement in a plain view and cranial subluxation of the tibial tuberosity in a stress view (Fig. 1). There was no evidence of hemarthrosis on synovial fluid aspiration. Synovial fluid cytology revealed predominant lymphocytes and no tumor cells.Surgical exploration of the stifle joint was performed through an arthrotomy lateral to the patellar ligament. Pedunculated masses located in the proximal aspect of the infrapatellar fat pad were attached to the synovial membrane, cruciate ligaments and distal femoral articular cartilage (Fig. 2). Cranial and caudal cruciate ligaments injury and degenerative changes including cartilage defects were identified (Fig. 2). Masses...

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