A rare case of soft tissue sarcoma in the supraclavicular region: A case report.

Sarcomas of the head and neck account for about 2% of all head and neck malignancies in adults. The median age at diagnosis is 50-54 years with a slight male predominance. The rarity of these sarcomas and lack of prospective trials make it difficult to reach valid conclusions. A 36-year-old woman was referred to our hospital because of an expanding non-pulsatile mass in the right supraclavicular fossa with associated numbness and paresthesia of the right forearm. The patient reported that the mass had gradually enlarged for the past 5 months. She had no history of trauma or any chronic illnesses. A physical examination revealed a mass measuring approximately 7 cm × 5 cm above the right clavicle with no palpable thrill or bruit. Ultrasound-guided biopsy was done and the histology report revealed soft tissue cells, fatty cells, and skeletal muscle cells; no tumor cells were identified. Magnetic resonance angiogram studies were made and revealed a highly vascularized supraclavicular mass. Under a multidisciplinary approach, the mass was resected. Head and neck sarcomas are relatively rare tumors and those of the head and neck account for about 2% of all head and neck malignancies and 4%-10% of all sarcomas in adults. The main histologic subtypes are rhabdomyosarcoma, osteosarcoma, chondrosarcoma, and angiosarcoma.

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There is no any conflict of interest amongst authors and all our institutions with regard to the publication of this report.