The CT and MRI findings in a case of chondrosarcoma of the hyoid bone are reported. Although chondrosarcoma is the second most common primary malignant bone tumor, only 10 % of chondrosarcomas occur in the head and neck region. The hyoid bone is a rare site of involvement with only seven cases reported previously.
Didelphic uterus with blind hemivagina and ipsilateral renal anomaly is a rare congenital malformation. The pathogenesis of this syndrome and its embryologic origin are still the subject of discussion. Due to the variable clinical picture and low index of suspicion, diagnosis is often delayed or inaccurate. Conservative surgical treatmentexcision of the obstructing vaginal septum and marsupialization of the blind hemivagina-is considered the most appropriate treatment. This report describes the case of a 16-year-old girl with didelphic uterus and double vagina, with obstruction of the left hemivagina. The patient was also diagnosed with left renal dysplasia and ipsilateral ureter communication with the obstructed vagina. Following various examinations and left uretero-nephrectomy, the patient was effectively treated with resection of the vaginal septum.
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