Congenital cranial, cervical, and upper thoracic sinuses are rare conditions that historically have been classified according to their location and/or pathology. However, published reports of bronchogenic or branchial anomalies are on the increase, and the traditional defining characteristicsmdash;location and histopathologymdash;are proving to be less reliable. We describe the pathologic and clinical findings of a congenital presternal pedunculated lesion with a sinus, and review the literature to describe its proper classification.
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