We report on seven cases that presented a benign soft-tissue mass in the thigh muscles. Ultrasonography provided the diagnosis of hydatid cyst. Total pericystecomy was performed. We point out the importance of preoperative diagnosis and the need for radical excision to avoid recurrence.
Le sarcome d'Ewing du calcanéus est rare. Depuis sa première description en 1921, seulement une dizaine de cas ont été rapportés dans la littérature. Nous rapportons un cas de sarcome d'Ewing du calcanéus droit, diagnostiqué à l'occasion d'une tuméfaction globale du talon, évoluant depuis une année. La radiographie standard montrait une ostéocondensation du calcanéus. La tomodensitométrie (TDM) et l'imagerie par résonance magnétique (IRM) ont permis de mettre en évidence la masse tumorale, l'envahissement des parties molles et des skip métastases au niveau du talus. La confirmation histologique a été faite après biopsie. Malgré l'amputation et la chimiothérapie postopératoire, le décès est survenu six mois plus tard dans un tableau de détresse respiratoire par métastase pulmonaire.
Mots clés : Ewing -Calcanéus -Tumeur maligneEwing's Sarcoma of the calcaneus: a case report Abstract: Ewing's sarcoma of the calcaneus is rare. This tumor was first described in 1921, since when only a few cases with calcaneus involvement have been reported. We report a case of Ewing's sarcoma of the right calcaneus, diagnosed in connection with a swelling of the calcaneus, which had been developing for a year. The standard X-ray showed significant osteocondensation of the calcaneus. CT and RMN showed the tumor of the calcaneus, its extension into soft tissue and skip metastasis of the talus. Histological confirmation was made by biopsy. Despite amputation and postoperative chemotherapy, death occurred six months later from respiratory distress caused by lung metastasis.
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