Imaging rounds #102. Pigmented villonodular synovitis.
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Biomedical subjects
Publications and source records attributed to A Ganel.
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Muscle contractures are infrequent in Israel. This report discusses one case of a congenital contracture associated with a skin dimple treated in Israel. A 3-year-old boy presented with difficulty in running, riding a bicycle, and squatting. Flexion of the right hip in adduction was impossible. The hip could be fully flexed in abduction. Congenital contracture of the right gluteus maximus muscle was successfully treated by surgical release.
Synovial chondromatosis of the hip joint is uncommon entity. Two cases are presented, and the spectrum of the disease is discussed. Partial synovectomy with loose body removal is recommended as the treatment of choice. Joint replacement is performed only in patients with severe secondary osteoarthritis, and used only in selected cases.
Villonodular synovitis of the shoulder developed in two elderly patients. Huge soft tissue mass, marked joint effusion, and radiographs demonstrating severe osteoarthritic changes characterized these patients. Localized shoulder muscle atrophy accounts for residual painfree limitation of active shoulder motion following synovectomy of the shoulder joint.
An uncommon etiologic factor of hallux valgus was encountered in two patients. Crush injury and gunshot wound of the foot were associated with metatarsal bone fractures. malunion of the second metatarsal and malunion of an avulsed fracture at the base of the proximal phalanx of the big toe, resulted in a symptomatic hallux valgus deformity.
The problem of subluxation of the hip joint during femoral elongation is reviewed and pathogenesis and prevention of this rare complication are discussed.
Seventy-one operations are reviewed, in which knees were replaced with the total condylar prosthesis. The follow-up period ranged between 1 and 7 years, with an average of 3.25 years. Osteoarthritis was diagnosed preoperatively in 53 knees and rheumatoid arthritis in 18. The results obtained in cases of osteoarthritis were better than those in cases of rheumatoid arthritis. The prognosis was adversely affected by obesity, preoperative flexion contracture of 30 degrees or more, wound-healing problems, wound infection, and postoperative manipulation under general anesthesia. The overall results were excellent in 48% of cases (34 knees), good in 28% (20 knees), fair in 11.3% (eight knees), and poor in 4.3% (three knees). Failure was experienced in 8.4% of cases (six knees).
An original nerve-identification technique based on the enzymatic activity of choline acetylase enables precise differentiation between motor nerve fascicles and sensory nerve fascicles. Within 70 to 80 minutes, an accurate matching of cut nerve ends is possible, both in recent and in late nerve injuries. Preliminary results of the clinical intraoperative application of this method are encouraging.
A 10-year-old boy with Blount's disease was treated by asymmetric distraction of the proximal tibial epiphysis to correct varus deformity of 12 degrees. Gradual hemichondrodiastasis with immediate mobilization resulted in slight overcorrection of the deformity with no complications.
An asthenic 30-year-old dentist presented at the orthopaedic clinic complaining of pain in both hip joints. There was no history of systemic disease, and all of the results of serologic and hematologic investigations were within normal limits. Clinical examination revealed a limitation of hip movement, and roentgenograms showed early osteoarthritis of both joints. In addition, there were bony protuberances between the pelvis and the proximal femur. Whether these bony struts caused the development of the osteoarthritis or whether they developed as a result of the osteoarthritis will be discussed.
An analysis is presented of 1763 consecutive injuries that occurred in the Ybrig region in Switzerland, a ski resort, during the 1976-1982 ski seasons. The study included all persons injured while skiing and treated at the emergency care facility at the base of the Ybrig region. Fractures were the most frequent injury. Over the years, a decrease in the total number of injuries was noticed. The severity of the injuries was increased. More attention should be paid to the individual preparation of the skier.
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A 16-year-old male high jumper sustained a stress fracture of the tibial tuberosity. Continued activity resulted in a type III fracture of the tibial tuberosity necessitating treatment via open reduction and internal fixation.
Excessive elongation of both femora in a 12-year-old achondroplastic dwarf resulted in fixed extension and contracture of both knees. An attempt to shorten these overly elongated femora surgically was complicated by the unanticipated release of massive fat emboli, which resulted in the patient's death.
Recurrent volar carpal perilunate subluxation (RVCPS) is a rare injury (Linschied 1972). Reviewing the literature we found only 5 reported cases of this condition. Four of them were due to congenital ligamentous laxity, two described by Suturo (1946), and the rest by Linschied and Dobyns (1972). Stark reported on a post traumatic case (Stark 1970). The purpose of this paper is to present an additional case of post traumatic RVCPS.
Volleyball players commonly complain of pain in the hypothenar area. Fatigue fracture of the pisiform bone is suggested as a cause of this sport incapacity. The diagnostic importance of oblique and axial X-ray views of the Wrist is demonstrated. Early treatment by immobilization for 6 weeks usually results in complete functional recovery.
The results of surgical treatment for arthritis of the first carpometacarpal joint using Kessler's silicone implant were examined in a group of 23 patients. The mean follow-up period was 24 months. Pain relief was obtained in 18 patients (78 per cent), functional improvement in daily activities in 16 patients, and power of pinch and power of grasp were improved in 10 out of 13 patients. Limitation of abduction complicated surgery in 6 patients. A high incidence of subluxation was found without correlation to the subjective results. Most of our patients were satisfied with the functional end results.
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