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Managements of giant cell tumor within the distal radius: A retrospective study of 58 cases from a single center.

ABSTRACT: Background:Giant cell tumor of bone (GCTB) in distal radius is a benign but invasive bone tumor characterized by strong aggressive behavior and frequent recurrence. Methods:To identify recurrence related risk factors and decide suitable surgical strategy, the potential tumor- and treatment-specific factors, post-operative oncologic and functional outcomes were collected and analyzed from 58 patients with GCTB of the distal radius at our center. Results:With the numbers available, our analysis strongly indicated soft tissue extension (with vs. without, HR: 5.645, 95% CI: 1.424 to 22.377, p = 0.014) and size of GCTB (diameter ≥ 5 cm vs. 5 cm HR: 3.893, 95% CI: 1.109 to 13.659, p = 0.034) are the two independent risk factors related to local relapse. Neither surgical procedures (curettage vs. en-bloc resection) nor other factors apparently affected the recurrence, including age, tumor nature, dominant hand involvement, pathological fracture conditions or pre-operative denosumab. However, intralesional curettage group achieved much better functional scores ((VAS: 2.5 ± 0.8 vs. 3.6 ± 1.2, p = 0.011; MSTS: 20.2 ± 3.4 vs. 16.7 ± 3.8, P = 0.034; DASH 9.1 ± 3.9 vs. 16.4 ± 5.5, p = 0.030) and much less complications (non-unions, dislocations, fractures and infections) compared to resection ones. Furthermore, denosumab provided dramatic pain reduction and strong tumor suppression, facilitating curettage with local adjuvants even in GCTB with advanced status. Conclusions:Taken together, the radiographic presentations (soft-tissue extension and tumor size) are the strong prognostic predictors of local recurrence of GCTB in distal radius. In most tumors, an initial treatment with curettage remains feasible and first-choice, especially with the adjuvant denosumab.

SUBMITTER: Zou C

PROVIDER: S-EPMC6348933 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Background:Distal radius is third most common site for occurrence of Giant cell tumor (GCT) of bone. Most of Campanacci grade II & III cases require resection. Reconstructions of these defect are challenging. Though fibular arthroplasty provides mobility at wrist but is fraught with complications of donor site morbidity and instability with wrist pain. Wrist arthrodesis with ulna translocation provides stable reconstruction but is cosmetically less appealing. We present a series of 12 cases of GCT of distal radius treated with short segment (6?cm or less) resections and wrist fusion with iliac crest grafting. We evaluated donor site morbidity, functional and oncological outcomes. Objectives:To assess time to union, donor site morbidity, functional and oncological outcomes after wrist fusion with iliac crest bone grafting for distal radius resection (?6?cm). Methods:Retrospective analysis was performed from a prospectively maintained database between January 2011 and December 2017, 12 patients (7 male and 5 female; 9 primary and 3 recurrent; all Campanacci grade III) were included. Mean age was 29 years (15-41 years) with mean resection length of 5.1?cm (4.5-6?cm). The dominant hand was involved in 6 patients. Time to union, donor site morbidity, functional and oncologiacal outcomes were evaluated. Functional outcomes were evaluated using Musculo-Skeletal Tumor Society (MSTS) score and Patient Rated Wrist Evaluation (PRWE) score. Grip strength and arc of forearm rotation were also evaluated. Results:All patients were available for analysis. No symptomatic donor site morbidity was observed. One patient had prominent implant following a fall and delayed union. Mean time to union for 22 osteotomy sites in rest of 11 patients (both proximal and distal) was 6 months (4-11 months). At median follow up of 45 months (18-78 months) 2 patients had soft tissue recurrence, 1 had a stable pulmonary metastasis. Local Recurrence rate was 17%. All patients returned to their pre surgery activity. Mean MSTS score was 25 (19-29) and PRWE score was 12 (6-28). Grip strength and Prono - supination measurements were available in 10 patients. Grip strength was 69% of non operated limb. Mean supination was 53° (0° to 80°) and mean protonation was 73° (40° to 80°). Mean arc of rotation was 126° (80° to 160°). Conclusion:Reconstruction of distal radius bone defects with Iliac crest bone grafting and wrist arthrodesis retains prono-supination while maintaining wrist girth (cosmesis). The oncologic and functional outcomes make it an acceptable modality in selected cases of distal radius tumours with short resection length (?6?cm).

Project description:BackgroundThe surgical technique of radius distraction for stabilization of distal radioulnar joint (DRUJ) if intraoperative DRUJ instability was found after the fixation of distal radius fracture has been previously described, but this surgical technique lacks clinical and radiographic effect in minimal 3 years follow-up. We therefore evaluated the clinical outcome and radiographic results of radius distraction in minimal 3 years follow-up as long-term evaluation.MethodsWe reviewed the case series of distal radius fracture with concomitant DRUJ instability receiving radius distraction from the senior author over a 5-year period (January 1st, 2013, to June 30th, 2017) retrospectively. Radius distraction during volar plating was performed by moving the volar plate distally via compression screw loosening/fastening to achieve firm endpoint on the dorsopalmar stress test. The evaluations of radiographic, including bone union time and ulnar variance, and clinical outcomes, including grading of DRUJ instability, NRS of wrist pain, DASH score, MMWS score, and range of motion of operated wrist at final follow-up, were performed at clinic as minimum 3-year follow-up; a total 34 patients had been evaluated.ResultsAt minimal post-operative 36 months follow-up, all cases demonstrated acceptable wrist range of motion with stable DRUJs, low NRS of wrist pain (0.6, SD 0.7), and satisfactory DASH score (mean 9.1, SD 6.2) and MMWS score (mean 87, SD 10). There were no cases suffering from nonunion of distal radius. The mean ulnar variance of injured wrist and uninjured wrist were -1.2 mm and 0.2 mm, respectively (SD 1.0 and 0.6) with significant statistical difference.ConclusionsRadius distraction during volar fixation of distal radius fracture should be considered if DRUJ instability was found by the dorsopalmar stress test intraoperatively, and the long-term DRUJ stability could be achieved by maintenance of normal-to-negative ulnar variance, with decreased wrist pain and satisfactory function outcome.Level of evidenceTherapeutic Level IV.

Project description:BackgroundPrimary giant cell tumor (GCT) arising from bones of hand are rare to occur. Metacarpals are often the most common site of involvement among hand bones. There are no uniform guidelines for treatment of GCT involving metacarpals due to lack of relevant literature.ObjectiveTo suggest a management strategy for GCT involving metacarpals.MethodsRetrospective review of cases of GCT involving metacarpals over a period of 15 years from 2005 to 2019 managed at department of Orthopaedics, All India Institute of Medical Sciences, New Delhi.ResultsA total of 12 cases of GCT involving metacarpal were included, out of which one was lost to follow-up. Four cases were recurrent, and seven were primary at the time of surgery. All the patients were operated with wide excision of the tumor. In seven patients reconstruction of the metacarpal and MCPJ was done using fibular strut graft and silastic artificial joint, while in two patients, MCPJ arthrodesis was performed using fibula and/or iliac crest bone graft. In another two patients, the MCPJ was reconstructed using reversed vascularised toe transfer. Mean follow up of the patients was 3.22 ± 2.07 years. Mean Quick DASH score at latest follow-up of patients operated with silastic joint reconstruction, reversed vascularised toe transfer and arthrodesis of MCP joints were 30.5 ± 9.5, 25 ± 2.3 and 39.8 ± 3.4 respectively. Local recurrence occurred only in one patient at one year after surgery. All the patients were pain free at latest follow-up with quite functional and cosmetically acceptable hand.ConclusionReversed vascularised metatarsal transfer has obtained better functional results compared to reconstruction with fibular grafting and silicone joint replacement but due to technical difficulties, vascularised joint transfer may not be performed in every setting and there is risk of donor site morbidities with this technique. Our strategy for the treatment of GCT involving metacarpal was to do vascularised joint transfer or arthrodesis for border digits and reconstruction with silicone joint for central digits.

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Managements of giant cell tumor within the distal radius: A retrospective study of 58 cases from a single center.

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