Some congenital cysts and fistul˦ of the neck

Summary 

Incomplete obliteration of the thyroglossal duct during fœtal development may result in a thyroglossal cyst or sinus, and is the only example of such congenital lesions found in the midline.

The remaining cysts, sinuses, and fistul˦ are found in the lateral aspect of the neck, and the commonest of these is the branchial or lateral cervical cyst or sinus. Solitary lymphatic cysts confined to the neck are rare; they are more commonly found in infants, extending into the superior mediastinum.

Small cysts and sinuses around the ear resulting from anomalies of the first branchial arch and the developing pinna are very rare, and none is included in the present series.

Radiographic examination employing contrast media is of value in determining the extent of these congenital lesions prior to operation.

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