Branchial Anomalies in Three Generations of One Family

Abstract
Developmental anomalies of the branchial apparatus appear as cysts, sinuses, and skin tabs containing cartilage.14 These anomalies usually present on or near the skin surface in a line extending from a point anterior to the external ear to the anterior border of the sternomastoid muscle at the level of the angle of the mandible and thence along the anterior border of this muscle to a point near its attachment to the sternum.5 In the following discussion, anomalies which are found near the ear will be excluded, and only the cysts, sinuses, and skin tabs which appear in the lateral portion of the neck will be considered. Branchial cysts may be found in the skin or pharyngeal mucosa or at any level between these two structures.2,6 They usually consist of encapsulated collections of fluid which is high in cholesterol, but the contents may at times be chiefly

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