Chondrosarcoma of hyoid bone: a case report

Syed, Dania; Pasha, Hamdan Ahmed; Ali, Javaria; Aqil, Shakil

doi:10.47391/jpma.4481

Cited by 1 publication

(2 citation statements)

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“…Ramírez et al 18 reported a case of myxochondroma derived from larynx; however, no reports of osteosarcoma originating from the hyoid bone in either dogs or cats have been published to date. Even in the field of human medicine, hyoid bone tumours are considered rare, and most are chondrosarcoma [1][2][3][4][5][6] and osteochondroma. [7][8][9][10] Reports of osteosarcoma, as in the present case, are rare, and the only such report was by Anderson and Kearney.…”

Section: Discussionmentioning

confidence: 99%

“…Neoplastic diseases originating from the hyoid bone are considered extremely rare. Although reports of such diseases in human medicine are quite limited, chondrosarcoma [1][2][3][4][5][6] and osteochondroma [7][8][9][10] of the hyoid bone have been described. In addition, one case of osteosarcoma 11 and one case of osteoblastoma 12 derived from the hyoid bone have been reported.…”

Section: Introductionmentioning

confidence: 99%

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Osteosarcoma of the hyoid bone in a cat

Nakaichi,

Itamoto,

Nemoto

et al. 2023

Journal of Feline Medicine and Surgery Open Reports

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Case summary A 10-year-old male neutered Abyssinian cat was presented with the chief complaint of a right pharyngeal mass. On palpation, the mass was easily palpable; it appeared well demarcated and mobile, and oval in shape. Radiographic examination showed a radiopaque pharyngeal mass, which was revealed to be a well-demarcated mass lesion with a radiopaque marginal area on CT examination. The inside of the mass was uniformly well enhanced on contrast CT examination. A three-dimensional image reconstructed from the CT images strongly suggested that the mass originated from the right stylohyoid bone. No abnormal lesions were observed in the thoracic and abdominal CT examinations. Surgical excision of the mass was scheduled 3 weeks after the first admission. The mass was bluntly separated from the surrounding musculature and resected together with the ipsilateral epihyoid bone adjacent to the mass. Histopathological examination of the resected mass showed neoplastic cells with osteoid formation, and the mass was histopathologically diagnosed as an osteosarcoma. The postoperative recovery from anaesthesia was uneventful, and the cat began feeding on its own from the third postoperative day. The 3-month postoperative CT evaluation revealed no local recurrence or distant metastasis. The cat showed no abnormal findings at the time of writing (6 months postoperatively). Relevance and novel information Although osteosarcoma derived from the hyoid bone has rarely been reported in the veterinary field, this report suggests that such tumours may occur in cats. In addition, partial excision of the hyoid apparatus seems to be well tolerated in cats.

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