Intraobserver reliability for grading pseudotumor severity on MARS-MRI ranged from poor to good, dependent on observer and grading system used. Interobserver reliability scored best with the Anderson system. A more succinct pseudotumor severity grading system is needed for clinical use.

This is the 9th case of solitary osteochondroma of the sacrum to be reported, the first to be reported without any neurological symptoms, and third case reported for which en bloc excision was performed.

Background: Proximal Humeral fractures are defined as fractures occurring at or proximal to surgical neck of Humerus1. Various methods are used for treating such conditions with mixed results. Closed reduction & percutaneous pinning with JESS augmentation with interconnecting double frames have been described for such fractures with satisfactory results. We aim to modify the same by mounting the JESS in a single frame with biplanar configuration review our results. Material and Methods: Total 15 patients with proximal humeral fractures were treated from 2016 to 2017 by fixation with JESS & K-wires. There were 10 (62.5%) males and 5 (37.5%) females, with a mean age of 57.5 years. Road traffic accident (RTA) was the most common mode of injury in patients less than 60 years old (4 out of 7), while fall on the ground was the most common cause in fractures in elderly patients (age>60 years, i.e. 6 out of 8). Displaced (more than 45° of angulation or >1cm of displacement) 2 and 3 part fractures and patients of age >20 years were included in the study. The fixator was removed when there was clinical (subsidence of pain) and radiological signs of union (bridging callus in 3 out of 4 cortices). Shoulder function was assessed using Constant scoring system. Result: 100 % union seen with duration ranging from 6weeks to 8 weeks followed by JESS removal. According to Constant score 3 cases (20%) showed

Background: GCT's are aggressive benign but potentially malignant lesions of bone.50% of these tumors involve knee joint. Wide resection and gap reconstruction by various methods are used for aggressive GCT's around knee joint. In this study we tried to evaluate the outcome of resection arthrodesis of knee by primary Ilizarov procedure. Materials and Methods: 20 patients with mean age of 30.5 years with campanacci grade III GCT around knee joint treated by resection arthrodesis and primary Ilizarov techniques between 2010-2015 were evaluated in this retrospective study. There were 8 males and 12 females. Mean follow up was 36 months (30-42 months range). Functional evaluation was done with musculoskeletal tumor society scale. Results: At the final follow up the functional score ranged from 26.4 out of 35. The average duration in fixator was 16 months and the mean regenerate achieved was 10.8 cm at final follow up Average duration to union was 6 months. All patients were ambulatory. There were no requirements for bone grafting in all 20 cases. 3 cases had nonunion at docking site one because of local recurrence and one case because of infection. Conclusion:Resection Arthrodesis with Ilizarov is a viable alternative and provides a long-lasting and cost-effective reconstruction for average patients in developing countries.

A 25 years old female with limp and a gradually progressive flexion deformity at the knee, being able to walk only on crutches, following septic arthritis of the knee joint during childhood had a fixed flexion deformity of 70 degrees at the knee with a limb shortening of 7cm with evidence of multiple healed previous sinuses and secondary deformities of spine, pelvis and ankle. The soft tissue over the posterior aspect of knee joint was scarred with a degenerated and ankylosed knee joint. A supracondylar anteriorly based closing wedge osteotomy of the femur at the CORA was done to correct the deformity gradually using a long spanning Ilizarov's ring external fixator with corticotomy and sequential lengthening done later. At final follow up at 12 months after completion of treatment apart from pin tract infections the patient had no other complications like residual or recurrence of deformity, delayed consolidation, nonunion, refracture, peroneal nerve injury or hardware failure. Also with satisfactory hip and ankle range of motion and a limb that was pain free and in functional position unaided ambulation was possible. Hence, wedge resection and gradual correction with Ilizarov's technique can achieve desired results without causing any neurovascular complications or soft tissue procedure requirement in a chronic severely flexed ankylosed knee.