Abstract
Branchial cysts are the most frequent both congenital abnormalities and cysts in the neck. We present the case of an adult man who come to the clinical observation after the sudden onset of swelling of 14 cm at the II LEVEL A, without general symptoms. Clinically, the lesion presented with smooth margins, well-defined limits, tense-elastic, non-tender upon palpation nor spontaneously, moving on planes both above and below. The U. S. CT and MR study confirmed the cystic nature of the lesion (may be a lymphangioma). After its removal histological examination diagnosed an infection of the branchialarch cysts
Highlights
Branchial cysts are the most frequent both congenital abnormalities and cysts in the neck
A 35 year old man presented to clinical observation after onset of a sudden swelling of left second lateral cervical level
Situated along the anterior margin of the sternocleidomastoid muscle, which is marked, the upper pole joins with the horizontal ramus of the mandibular angle which comes in contact with the lower pole of the parotid gland, the subman dibular glandis anterior-medially displaced
Summary
A 35 year old man presented to clinical observation after onset of a sudden swelling of left second lateral cervical level. This lesion reached a size of 14 x 7 cm (Figure 1). When dissecting the posterior and deep wall of the cyst from the front surface of the carotid sheath we can see crosses the hypoglossal loop, this nerve should not be isolated but only recognized and preserved. When dissecting the top of the cyst it is possible to cross the hypoglossal nerve in contact with the belly of the digastric muscle, the vein or veins of the tongue, and it is possible to cross the inferior glossopharyngeal nerve that at this level can give branches to the pharynx (Figure 6).
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