Recurrence of synovial chondromatosis of the glenohumeral joint after arthroscopic treatment

A case of primary synovial chondromatosis of the shoulder in a 15-year-old girl is presented. Plain radiographs revealed findings characteristic of synovial chondromatosis. The patient was treated by arthroscopic loose body removal and arthroscopic partial synovectomy of the glenohumeral joint. Although immediate postoperative radiographs showed no calcification in the joint, repeated radiographs at 18 months after surgery revealed recurrence of calcification in the subacromial space. Arthroscopic removal of all loose bodies and partial synovectomy appears to be a good method of giving symptomatic relief and early return to work. However, late recurrence should be anticipated.     

Synovial chondromatosis of the acromioclavicular joint

Summary Synovial chondromatosis involving the acromioclavicular joint is very rare. We report a case of synovial chondromatosis of the acromioclavicular joint associated with synovial cyst formation. Arthrography of the acromioclavicular joint revealed that the loose bodies lay within a synovial cyst which was in communication with the acromioclavicular joint. Synovectomy including removal of the synovial cyst and the loose bodies relieved symptoms completely. The patient was still pain- and recurrence-free at 4 years' follow-up.     

髋关节原发性滑膜软骨瘤病的诊断与治疗

目的 探讨髋关节原发性滑膜软骨瘤病的早期诊断与手术疗效。方法 5例髋关节原发性滑膜软骨瘤病患者,左侧2例,右侧3例,采用髋关节后外侧入路加大转子截骨入路显露髋关节,其中4例行单纯游离体摘除术,1例行病变滑膜切切除加游离体摘除术。结果 随访时间6-36个月,平均18个月。治愈3例,好转1例,未愈1例。结论 该病早期诊断困难,临床、放射学及病理检查相结合是确诊关键;采用髋关节后外侧入路加大转子截骨显露术摘除游离体、切除病变滑膜,疗效确切。     

Synovial chondromatosis of the elbow in a child

Synovial chondromatosis is cartilaginous metaplasia of mesenchymal remnants of synovial tissue of the joints. Its main characteristic is the formation of cartilaginous nodules in the synovium and inside the articular space (loose bodies). It usually presents between the third and fifth decades and is rare in children. It presents as a mono-articular pathology affecting large joints such as the knee, hip, and elbow. The main symptoms are pain, swelling, and limitation of movements in the affected joint. Diagnosis is made by panoramic radiographs, computed tomography scan, and mainly magnetic resonance imaging and on surgery. The authors describe of synovial chondromatosis presenting in the elbow of an 11 year-old girl which is unreported to the best of our knowledge.     

Chondromatosis of the fifth metacarpophalangeal joint. Case report and review of the literature.

Synovial chondromatosis is extremely rare in small joints. The authors present a case of involvement of the fifth metacarpophalangeal joint, treated by removal of loose bodies and synovectomy.     

Synovial chondromatosis of the pisotriquetral joint producing ulnar nerve palsy

A case of synovial chondromatosis compressing the motor branch of the ulnar nerve of the left hand is presented. Radiographs demonstrated soft tissue calcification. The electrophysiological study confirmed denervation of the intrinsic hand muscles. During surgical exploration, synovial chondromatosis arising from the pisotriquetral joint compressing on the motor branch of the ulnar nerve was seen. Treatment consisted of pisiformectomy, partial synovectomy and removal of loose bodies.     

Synovial chondromatosis of the metacarpophalangeal joint: case report and review of the literature

Intra-articular synovial chondromatosis in the hand is rare but should be considered in the differential diagnosis of a swollen, stiff or painful joint. Other possible diagnoses include osteoarthritis, rheumatoid arthritis, gout, trauma and chronic infection, and unless enchondral ossification of loose bodies is seen the diagnosis of synovial chondromatosis may not be made preoperatively. A 69-year-old man with synovial chondromatosis of the metacarpophalangeal joint is reported. The joint was swollen and tender. He had not sustained trauma and there was no evidence of arthritis, involvement of other joints or infection. Complete synovectomy with removal of all loose bodies was successful and his symptoms resolved. Intra-articular synovial chondromatosis is a benign condition, but spontaneous resolution is the exception and surgical synovectomy remains the most effective treatment.     

Diagnosis and Arthroscopic Treatment of Primary Synovial Chondromatosis of the Shoulder

Primary synovial chondromatosis of the shoulder is a rare condition. We present the case of a 24-year-old man with a 6-month history of right shoulder pain and decreased range of motion. Computed tomography and magnetic resonance imaging findings led us to the diagnosis of synovial chondromatosis of the shoulder. Arthroscopy revealed loose bodies in the glenohumeral joint, the biceps tendon sheath, and the subscapularis recess. Active intrasynovial proliferation of the axillary pouch was noted. All loose bodies were removed arthroscopically, and partial synovectomy was performed. Histologic examination confirmed the diagnosis of primary synovial chondromatosis. We recommend arthroscopic treatment for synovial chondromatosis of the shoulder because of low morbidity and early functional return.     

Asymptomatic Synovial Chondromatosis of the Ankle: An Incidental Finding

Synovial chondromatosis is an uncommon, benign lesion of nodular cartilaginous neoplastic development of the synovium that can lead to loose bodies and arthritic degeneration if left untreated. Although very rare, malignant transformation to chondrosarcoma can occur. Primary and secondary forms of synovial chondromatosis also exist, and each has distinct clinical, radiographic, and histologic characteristics. In this article, we describe a case of extensive primary synovial chondromatosis of the ankle that was asymptomatic until just before presentation, and that was treated by means of open synovectomy with excision of the osteochondromatous lesions within the joint.     

Synovial Chondromatosis of the Ankle: Report of Two Cases With 23 and 126 Loose Bodies

Synovial chondromatosis is rare joint disorder that has no clear etiology. Classification of the disorder was first reported by Milgram in 1977. One possible cause is a change in the level of fibroblast growth receptor factor receptor-3, which leads to a possible feedback loop that results in the formation of loose bodies. Genetics is another possible cause for the disorder. Synovial chondromatosis is considered benign but does the have the potential for malignant transformation. We report the case of 2 patients with 23 and 126 loose bodies of the ankle, respectively, who had successful outcomes without malignancy, after excision of the lesions. Also presented is a review of the published data for the possible causes of synovial chondromatosis and the symptoms leading up to the transformation from benign to malignant.     

Synovial chondromatosis of the acromioclavicular joint. A case report

Synovial chondromatosis involving the acromioclavicular joint occurred in a 20-year-old woman. Synovectomy including removal of loose bodies and resection of the distal end of the clavicle relieved symptoms. Synovial chondromatosis is a relatively rare disorder and seems not to have been reported in the acromioclavicular joint.     

关节镜下诊断与治疗滑膜软骨瘤病

目的：探讨关节滑膜软骨瘤病在关节镜下的表现、诊断要点、治疗及疗效分析。方法：本组24例,共26个关节,其中膝关节23个,肘关节2个,踝关节1个;男17例,女7例,男女比例2．4：1;年龄18－73岁,平均53岁。均行关节镜检查镜下软骨瘤取出及病变滑膜切除,并描述了该病在关节镜下的表现形式（滑膜表面型;滑膜层包裹型;关节囊纤维层包裹型;游离体型）和处理方法。结果：22例24个关节获得了平均24．5个月随访,未见复发,关节功能均好于术前,效果满意。仅有2例遗漏了2个游离体,无其它并发症。结论：关节镜下游离体摘除和滑膜切除术是治疗滑膜软骨瘤病的良好方法。     

Surgery for synovial chondromatosis. 26 cases followed up for 6 years

Surgery was performed in 31 patients with synovial chondromatosis: 12 had synovectomy and removal of loose bodies, and 16 had removal of loose bodies only. The remaining 3 patients had more radical surgery: 2 had total hip replacement and 1 had resection arthroplasty. Twenty-six patients were reviewed after an average of 6 years and 4 months. Thirteen patients were symptomatic and 11 had residual signs of limited joint motion and localized tenderness. In 1 case of metatarsophalangeal joint involvement, recurrence occurred. Removal of loose bodies only did not differ from synovectomy and removal of loose bodies.     

Surgery for synovial chondromatosis: 26 cases followed up for 6 years

Surgery was performed in 31 patients with synovial chondromatosis: 12 had synovectomy and removal of loose bodies, and 16 had removal of loose bodies only. The remaining 3 patients had more radical surgery: 2 had total hip replacement and 1 had resection arthroplasty. Twenty-six patients were reviewed after an average of 6 years and 4 months. Thirteen patients were symptomatic and 11 had residual signs of limited joint motion and localized tenderness. In 1 case of metatarsophalangeal joint involvement, recurrence occurred. Removal of loose bodies only did not differ from synovectomy and removal of loose bodies.     

Synovial chondromatosis of the knee joint]

Authors removed more than hundred free bodies from the knee joint of a young female patient. In connection with their case the criteria of the synovial chondromatosis, the theories concerning the pathogenesis and the therapy to be chosen are described, based on literary data.     

Synovial chondromatosis of the temporomandibular joint

Synovial chondromatosis is an uncommon disease of cartilaginous transformation of synovial membrane with formation of loose bodies within the joint space. A case involving the temporomandibular joint (TMJ) is presented. In the TMJ, this disorder occurs more often in females and is usually on the right side. Symptoms include preauricular swelling, pain, and tenderness. Radiographs of the TMJ may be normal, but frequently show multiple, partially calcified loose bodies within the joint. Treatment consists of removal of the loose bodies together with all affected synovium. If the meniscus is excised, reconstruction with a Silastic prosthesis is recommended.     

New-Onset Synovial Chondromatosis After Total Knee Arthroplasty

Total joint arthroplasty is commonly recommended as a definitive treatment for synovial chondromatosis refractory to other treatment. We describe a unique case of synovial chondromatosis developing after total joint arthroplasty in a patient presenting 5 years after total knee arthroplasty for osteoarthritis. This case illustrates that the diagnosis of synovial chondromatosis cannot be excluded in a patient with chronic, painful swelling of a joint, even after total joint arthroplasty.     

Arthroscopic surgery for synovial chondromatosis of the hip: a report of two cases

We have used arthroscopy in the treatment of synovial chondromatosis of the hip joint. Two patients complained of pain of the hip joint that was aggravated by weight bearing. On admission, range of motion of the affected hip joints was slightly restricted. At hip arthroscopy, osteochondral loose bodies were removed from the joint and partial synovectomy was performed. Histologic examination revealed synovial chondromatosis. Pain relief was obtained in both patients postoperatively.     

An unusual presentation of synovial chondromatosis of the knee in a 10-year-old girl

Synovial chondromatosis commonly occurs in the anterior compartment of the knee joint, predominantly in middle-aged men. It is relatively unusual in female children and is rarely encountered in the synovium beneath the meniscus. The present report describes a rare case of synovial chondromatosis that developed in the synovium just inferior to both menisci of the right knee in a 10-year-old girl. At this unusual age and location, there is a greater probability of missed diagnosis, due to the lack of definite informative incidence, and difficulty in finding the lesions during arthroscopic examinations. In the present case, multiple loose bodies were hidden by the meniscus, and thus, there were no structural abnormalities in the initial arthroscopic views before probing the meniscus. After careful inspection, we found numerous cartilaginous loose bodies and removed them as much as possible with arthroscopy.