Introduction:The rising demographic trend towards elderly population and increased incidence of osteosynthesis of proximal femur fractures are associated with increased recurrent falls and rise in incidence of peri- implant fractures. Case Report: Here, we present a difficult case of a peri- implant femur shaft fracture in a 55-year-old male, with stuck short proximal femur nail (PFN) removal followed by long distal femur plating with bone grafting showing good fracture union at 1 year with satisfactory functional outcome. Conclusion:Peri- implant femur fractures are quite rare and more commonly occur in elderly. Among all treatment modalities for intertrochanteric femur fracture fixation, the literature shows short PFN having highest comparative risk for peri peri-implant fractures. Implant removal followed by locking plates for long spiral fractures provides a stable, anatomical, and reliable fixation. Bone grafting augments bony union, especially in cases of bone defects. Keywords: Peri-implant, femur, fracture, proximal femur nail, distal femur locking plate.

Introduction: Chondroblastoma is a rare benign, epiphyseal bone tumor that typically affects the second decade of life and represents approximately 1% of all bone tumors. Radiologically it manifest as a lytic tomour lesion in the epiphysis of long bones. Case report: We present a case of 19 year-old male who presented with recurrent symptoms of pain and swelling in right shoulder associated with restricted shoulder mobility. Preoperative radiological imaging showed large lytic epiphyseal lesion arising from upper end of humerus interspersed with areas of calcification. MRI was done which reveal significant findings of chondroblastoma which guided in the planning of treatment. Conclusion: Chondroblastomas are typically benign, but rarely it can progress locally or metastatise. Recurrence is also noted even after surgical resection which may suggest inadequate curettage. Early diagnosis and aggressive primary management prevents further surgeries and recurrences.

Introduction: Giant cell tumor [GCT] is a relatively common, locally aggressive but most often a benign neoplasm that is associated with a large biological spectrum. The GCT accounts for 4-10% of all bone tumors and approximately 20% of all benign bone tumors. Case Report: We have a 35 year old male patient, who presented with right knee pain after a trivial trauma (history slip and fall while walking) and X ray revealed pathological fracture of the medial condyle of femur along with a lytic lesion. On further investigation with other modalities such as CT scan and MRI was suggestive of giant cell tumor in the distal femur confirmed with a biopsy, and the patient was referred to a higher centre for the management of the same with the pathological fracture of the medial condyle of the femur. Conclusion: The diagnosis of giant cell tumor, as seen, is made based on several factors taken into account including history, clinical examination, imaging techniques and finally the confirmatory biopsy of the lesion. This also helps in grading and staging of the tumor which helps in determining the prognosis and deciding the further treatment modalities.

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