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A thyroglossal duct cyst (TGDC) is the most common congenital anterior neck mass. It can develop from residual tissue not degenerated during development and is mainly diagnosed in pediatric patients. However, a TGDC is sometimes diagnosed for the first time in adult patients. A TGDC is mainly caused by repeated infections of the duct and there might be no specific symptoms. A TGDC can occur anywhere from the floor of the mouth to the thyroid but is most often found at the infrahyoid level. Over the past 10 years, there has been no report of a TGDC in the suprasternal region among TGDCs in unusual locations. This paper describes one case of a suprasternal TGDC with a review of the literature on this topic.

Low-grade fibromyxoid sarcoma (LGFS) is a soft tissue tumor that rarely occurs in the head and neck region. It occurs mainly in the proximal extremities and the trunk and is prevalent in the young and middle-aged adults. In the present case, LGFS was present at an atypical location and at an unusual age. The treatment of choice for LGFS is radical wide surgical excision with a clear margin. Long-term follow-up is essential for all patients with LGFS, as it has the potential for late recurrence or metastasis.

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