branchial

(redirected from branchial clefts)
Also found in: Dictionary, Medical.

branchial

[′braŋ·kē·əl]
(zoology)
Of or pertaining to gills.
References in periodicals archive ?
A barium swallow esophagogram revealed a fistulous tract from the piriform sinus to a right fourth branchial cleft cyst (figure 1, B).
MRI is most advantageous for Type I first branchial cleft cysts and for parapharyngeal masses that may be second branchial cleft cysts.
43) For this reason, first branchial cleft cysts, which represent the second-most common branchial cleft anomaly, can arise anywhere from the external auditory canal through the parotid gland to the submandibular triangle.
Cysts, fistulae, and sinuses arising from the branchial clefts or pouches are relatively uncommon in humans and domestic animals, and have never been reported in birds.
The patient underwent excisional biopsy of the right neck mass, with a clinical diagnosis of branchial cleft cyst.
a) Second branchial cleft cyst: Most uninfected second branchial cleft cysts demonstrate the typical appearances of a cyst in that they are well-defined and anechoic with no internal debris and show posterior acoustic enhancement however, some cysts may exhibit a pseudo solid appearance with uniform internal echoes.
Branchial cleft cysts (BCC) arise from incomplete obliteration of any branchial tract, resulting in either a cyst (75%) or sinus tract (25%).
The pathophysiology of branchial cleft cysts is controversial, current theories include (a) an origin as vestigial remnants secondary to incomplete obliteration of branchial apparatus & (b) structures that arise from "buried" epithelial cell rests.
Branchial cleft anomalies--which include branchial cysts, sinuses, and fistulas--are uncommon developmental defects of the neck.
Several radiologic features of contrast-enhanced CT are typical of branchial clefts including fat streaking and hypodensity within the ipsilateral thyroid lobe, and gas bubbles along the tract or within the cyst (27).
Adjacent arches are separated externally by ectodermal branchial clefts or grooves and internally by endodermal pouches.
A developmental alteration of the branchial clefts or pouches can result in cysts, sinuses, and/or fistulas.