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Aneurysmal bone cyst (ABC) is an uncommon pathological condition, which leads to weakening and fracture of the affected part of the bone. Radio logically, ABC is an eccentric, metaphyseal, expansile, lytic and non-neoplastic lesion of the bone, giving blown-out/ballooned/soap-bubble appearance. Though benign, malignant transformation is reported. It accounts for 1-6% of all primary bone tumours with incidence rate of 0.14% annually. Usually occurs during second decade of life and most common sites for the lesions are the tibia, femur, vertebra, pelvis, humerus and fibula. The various treatment modalities include selective arterial embolisation, en-bloc/wide marginal resection and curettage with phenol, liquid nitrogen, etc., use of sclerosing agents and use of autogenic/allogenic bone graft or polymethylmethacrylate, with or without osteosynthesis. There exists controversy regarding optimum treatment of ABC as recurrence rate ranges from 5-40% depending upon the treatment method used. Use of non-vascularised fibular strut graft yields good results as per many studies especially in large lesions. Hereby, we present four cases of ABC, treated by extended curettage or En bloc excision of lesions and reconstruction using fibular strut graft. [ABSTRACT FROM AUTHOR]

Introduction: Trapezio metacarpal joint arthritis is the commonest of arthritis in hand. It occurs more in females after age of 40 years (post menopausal women). Pain appears in all thumb movements which incapacitates them to do their daily household work. There are various methods of treating this disease like conservative methods including NSAIDS and hot water fomentation; surgical methods like trapeziectomy, stabilizing ligamentoplasty, prosthetic replacement (silicon implats, steffee prosthesis etc, fusion of trapezio metacarpal joint and tapeziectomy with tendon interposition arthroplasty. Non surgical measures forms the first line of treatment with aim of preventing progression of disease, however, surgery becomes an option when symptoms are refractory to nonsurgical methods. Aim: To evaluate the outcomes of trapeziectomy with free rolled tendon palmaris longus interposition arthroplasty for moderate to severe osteoarthritis of trapezio metacarpal joint. Material and methods: We evaluated 10 patients (mean age 50, Eaton Littler stage 3 and 4) who underwent trapeziectomy and palmaris longus interposition arthroplasy for end stage osteoarthritis of thumb carpometacarpal joint. Clinical outcome parameters were determined preoperatively and at 3, 6, and 12 months postoperatively. Results: We have got excellent in 7 cases (9 thumbs), good in 2 cases, poor in 1 case. Conclusion: Rolled tendon arthroplasty using free rolled palmaris longus tendon with trapeziectomy is able to provide high quality results in moderate to severe osteoarthritis of trapezio metacarpal joint. [ABSTRACT FROM AUTHOR]