Resumo

REYES BARBOZA, José Herberto; ORTIZ, José  e  MENA CANATA, Carlos. Suprasternal Thyroglossal Cyst, case report. An. Fac. Cienc. Méd. (Asunción) [online]. 2026, vol.59, n.1, e59012651.  Epub 30-Mar-2026. ISSN 1816-8949.  https://doi.org/10.18004/anales/2026.e59012651.

The thyroglossal cyst is a congenital anomaly of the thyroid gland and the midline of the neck, affecting 7% of the global population. It presents as a painless mass that moves with swallowing. Diagnosis is made by ultrasound and fine-needle aspiration biopsy to determine the presence of malignancy, which accounts for 1% of cases. The treatment of choice is surgical, using the Sistrunk technique. We report the case of a patient who presented to the otorhinolaryngology service of the hospital: a 7-year-old male with a history of chronic, intermittently growing cervical mass at the level of the suprasternal notch, associated with episodes of upper respiratory tract infections, which resolved with antibiotic and nonsteroidal anti-inflammatory treatment. A soft tissue ultrasound was performed, with a presumptive diagnosis of thyroglossal cyst. A contrast-enhanced computed tomography scan of the neck and thorax was performed three months later, concluding a possible cystic cervical nodule categorized as a dermoid cyst. During follow-up, the patient developed a complication confirmed by cervical ultrasound, which reported a small heterogeneous collection associated with inflammatory changes in the affected region. Surgical intervention was planned and carried out for lesion resection using the Sistrunk technique. The diagnosis was confirmed by anatomopathological study as a thyroglossal duct cyst located in the suprasternal region, accounting for approximately 5% of the global frequency of thyroglossal cysts. Additionally, when comparing Sistrunk surgery versus the modified maneuver, similar effectiveness rates were observed. Given that the thyroglossal cyst is the most common congenital cervical anomaly, it is important to recognize the appropriate management of this pathology, along with this case highlighting its uncommon location.

Palavras-chave : Thyroglossal cyst; congenital anomaly; Sistrunk technique.

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