Triplane fractures of the proximal tibia are less well known than the distal extremity. The diagnosis is based on a good analysis of X-rays and possibly CT images to better plan the management. The authors reports a triplane fracture of the proximal tibial in a 12 year old boy treated by closed reduction and internal fixation. To our knowledge, only a dozen cases have been reported in the literature with generally a good evolution of the fracture.
Osteoid osteoma is the most common benign bone tumor because it accounts for 10e12% of all these tumors. Localized most often with long bones (75% of cases), especially in the tibia and femur, osteoid osteoma can evoke other etiologies, especially when it is juxta-articular. We report the case of an osteoid osteoma of the sesamoid in a 23-year-old patient with no particular history who presented pain at the root of his hallux evolving for 6 months. The clinical examination was without abnormalities. Standard Xrays found no lesions. The tomodensitometry of the foot showed an image "cockade" with a peripheral sclera ring. The patient underwent surgical excision with simple operative follow-up and disappearance of pain at one year of follow-up. The histopathological study confirmed the diagnosis. The osteoid osteoma of the sesamoid bone is exceptional. The diagnosis may be delayed due to misleading "articular" symptomatology.
Background: The aim of this study was to assess the oncologic outcome of pelvic bone sarcomas (PBS) and to identify prognosis factors.Methods: We report a multicentric cohort of patients treated for a PBS from 2000 to 2020. Data from 12 hospitals were analysed. Patients treated for primary PBS were included. Alive patients with less than 6 months of follow up were excluded. The primary outcome was survival.Results: One hundred and fourteen patients (67 males and 48 females) were reviewed with a mean follow up of 32±46,5 (1 to 216) months. The mean patient and doctor diagnosis delays were respectively 8,5±10,2 (1 to 60) and 3±4,3 (0 to 24) months. Sixty-eight patients (59,6%) died after a mean time from diagnosis of 15,9±22,8 (1 to 120) months. The overall survival rates at 5 and 10 years were respectively 38,4% and 27,6%. Chondrosarcoma histological type (HR=3,64), metastasis (HR=3,55) and surgery (HR=0,12) were identified as significant survival factors. Surgery was also associated to a decreased risk of metastasis (OR=0,03, 95% CI: 0,01 – 0,1). Among the 76 patients (66,7%) who underwent surgery, local recurrence was observed in 19 patients (25%) with a mean time from surgery to onset of 11,05 (±17,5) months. Conclusions: This nation-wide20-year-cohort study shows that surgery is the most effective treatment option in PBS regardless the histological type of the tumour. Efforts have to be done to decrease the diagnosis delay in order to start treatment when surgery is still feasible.
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