Cervical Ectopic Thymus: A Case Report
نویسندگان
چکیده
Cervical thymic masses are congenital lesions that result from aberrant thymic migration during embryogenesis. Most of these masses are asymptomatic. Rarely cervical thymus becomes symptomatic with encroachment on adjacent aerodigestive structures. It should be considered in the differential diagnosis of neck masses, especially in children. Most cases are clinically misinterpreted as branchial cleft remnants or cystic hygromas. Definitive diagnosis could be made only on histopathologic examination of a biopsy specimen in nearly all reported cases. This paper presents the case of a young male, who presented with a soft, fluctuating mass in the left side of his neck. Surgical excision revealed an ectopic thymic cyst. Case report was presented with a short review of the relative literature data.
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An ectopic cervical thymus is a rare congenital anomaly that can be located anywhere along the developmental pathway of thymic descent. Most lesions manifest as a cystic mass and have an indolent course. Two fatal cases associated with ectopic cervical thymus in the form of a solid mass are presented in conjunction with a review of the clinicopathological characteristics of the solid form. This...
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