Bone hydatid disease is a rare pathology, characterized by its long clinical latency, the absence of radiological specificity as well as its challenging surgical treatment. We report an observation of pelvic bone hydatidosis in a 28-year-old patient, appearing with pain and stiffness of the hip as well as a degenerative aspect on the coxofemoral joint on X-ray. The treatment consisted of an extensive hemipelvectomy with femoro pelvic arthrodesis, completed by medical treatment. The functional result was excellent in spite of a break in the fixation material, which allowed a certain mobility at the proximal end of the femur. Hydatid disease of bone is infiltrating,diffuse, slow, and progressive, all characteristics explaining the often-delayed diagnosis. Medical imaging provides accurate analysis for planning a broad surgical resection. The quality of surgical resection is determined according to the risk of recurrence. Pelvic locations are particularly difficult to treat. After an enlarged and difficult surgical resection, reconstruction remains aleatory and poses many technical problems.
We report the case of an osteoblastoma of the hamate bone that was successfully treated by curettage. This tumor is very rare in a carpal bone and only nine cases have been reported in the literature. Pathological examination is mandatory before treatment due to the lack of distinctive clinical and radiological features. Osteoblastomas are benign, but potentially aggressive bone tumors. Treatment of the lesion may either be a conservative "intralesional resection" or radical "wide en bloc resection". The latter option, which has non-negligible functional consequences in the wrist, should be reserved for recurrence after curettage but may also be considered a primary immediate alternative for aggressive forms.
Les fractures-luxations anciennes de la base du cinquième métacarpien peuvent se compliquer d'une arthrose post-traumatique gênante sur le plan fonctionnel et de prise en charge difficile. La technique d'arthroplastie stabilisée comporte une résection arthroplastique de la base du cinquième métacarpien associée à une arthrodèse diaphyso-métaphysaire latérale entre le quatrième et le cinquième métacarpien. A travers deux observations, nous présentons les objectifs de cette technique d'arthroplastie stabilisée et ses particularités par rapport aux autres techniques destinées au traitement des séquelles des fractures-luxations de la base du M5.
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