Branchial Cleft and Pouch Anomalies

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1 Branchial Cleft and Pouch Anomalies Prof.Mohamed Hesham Alexandria Faculty of Medicine Alexandria, Egypt Emberyological Basis

2 Branchial Clefts 1st 2nd Pinna EAC 3rd 4th 4th 6th Cervical sinus Branchial Pouches 1st 2nd 3rd 4th 6th

3 Types of Anomalies Skin Sinus External Internal Fistula Cyst Gut Branchial cleft and pouches anomalies Incidence 2nd cleft&pouch 95% 1st 5% 3rd and 4th rarely reported

4 First Branchial Cleft Anomalies The first branchial cleft is the only cleft that not become obliterated by the 8 th week. First cleft anomalies are a result of incomplete closure of the cleft First Branchial Cleft Anomalies Classification Arnot,1971 Work,1972 Olsen etal,1980

5 First Branchial Cleft Anomalies Site Preauricular and cervical region above hyoid bone The incidence of malformation is higher at the top of the triangle Trigalia et al,1998 Otological Manifestations Parotid Manifestations Neck Manifestations Pochet s triangle First Branchial Cleft Anomalies Presentation Cyst Sinus Fistula Infection Prior Surgery

6 First Branchial Cleft Anomalies Presentation First Branchial Cleft Anomalies Presentation

7 First Branchial Cleft Anomalies Presentation First Branchial Cleft Anomalies Presentation

8 First Branchial Cleft Anomalies Presentation First Branchial Cleft Anomalies Presentation Branchio-Oto-renal syndrome Autosomal dominant Renal, 1st and 2nd arches Hearing impairment 73% Preauricular pits 70% Renal abnormalities 67% Branchial cleft cyst or sinus 60%

9 First Branchial Cleft Anomalies Facial Nerve The relationship of the branchial anomaly to the facial nerve is variable The fate of branchial apparatus is complete by 6 or 7 week Parotid gland appear at 6th week Facial nerve and muscles migrate upward between 6-8 week First Branchial Cleft Anomalies Facial Nerve In the Majority of cases, The anomaly is lateral to the nerve Miller et al, 1984; Sinuses lateral to the facial nerve Fistulae medial to facial nerve Solares etal, 2003; Complete fisulae are usually deep to the facial nerve

10 First Branchial Cleft Anomalies Facial Nerve First Branchial Cleft Anomalies Facial Nerve

11 First Branchial Cleft Anomalies Facial Nerve Cyst First Branchial Cleft Anomalies Facial Nerve

12 First Branchial Cleft Anomalies Facial Nerve First Branchial Cleft Anomalies Facial Nerve

13 First Branchial Cleft Anomalies Facial Nerve First Branchial Cleft Anomalies Facial Nerve The facial nerve is vulnerable to injury Variable relation of the facial nerve Prior surgeries Prior infection 15-30% Facial nerve insult

14 First Branchial Cleft Anomalies Second Branchial Cleft Anomalies Tons. Skin Ext. opening: Ant. Border of sternomastoid muscle in the mid or lower neck.

15 Second Branchial Cleft Anomalies Tons. Skin Course: Deep to the platysma, along the carotid sheath, then between 2 carotids, superficial to nerve XII, IX deep to stylohyoid ligament and post. Belly of the digastric muscle Internal opening: Anterior aspect of the upper half of the post. pillar of the tonsil Second Branchial Cleft Anomalies? Sinus or Fistula How Why

16 Second Branchial Cleft Anomalies Second Branchial Cleft Anomalies False negative Not canalized along the whole length Obstructed by infection

17 Second Branchial Cleft Anomalies How? Clinical examination Sinogram Intraoperative MB injection Intraoperative tract searching

18 Why? For complete excision To prevent recurrence Second Branchial Cleft Anomalies Pull Through Branchial Fistulectomy Prof.M.Talaat

19 Second Branchial Cleft Anomalies Pull Through Branchial Fistulectomy Prof.M.Talaat Second Branchial Cleft Anomalies Pull Through Branchial Fistulectomy Prof.M.Talaat

20 Second Branchial Cleft Anomalies Pull Through Branchial Fistulectomy Prof.M.Talaat Second Branchial Cleft Anomalies Cyst

21 Second Branchial Cleft Anomalies Cyst Second Branchial Cleft Anomalies Cyst

22 Second Branchial Cleft Anomalies Cyst Second Branchial Cleft Anomalies Cyst

23 Second Branchial Cleft Anomalies Cyst Second Branchial Cleft Anomalies Cyst

24 Second Branchial Cleft Anomalies Infected Cyst Second Branchial Cleft Anomalies Infected Cyst

25 Second Branchial Cleft Anomalies Infected Cyst Second Branchial Cleft Anomalies Infected Cyst

26 3 rd and 4 th Branchial Cleft Anomalies Rarely reported Failure of the pouches to obliterate 3 rd : Inferior parathyroid, Thymus 4 th : Superior Parathyroid, PFC Pharyngobranchial duct 3 rd and 4 th Branchial Cleft Anomalies Presentation Cyst in close relation to the thyroid gland Sinus tract ; pyriform sinus External openining

27 3 rd and 4 th Branchial Cleft Anomalies Presentation Cyst in close relation to the thyroid gland Sinus tract ; pyriform sinus External openining 3 rd and 4 th Branchial Cleft Anomalies Presentation Cyst in close relation to the thyroid gland Sinus tract ; pyriform sinus External openning

28 3 rd and 4 th Branchial Cleft Anomalies Presentation Cyst in close relation to the thyroid gland Sinus tract ; pyriform sinus External openning 3 rd and 4 th Branchial Cleft Anomalies Presentation Cyst in close relation to the thyroid gland Sinus tract ; pyriform sinus External openning

29 3 rd and 4 th Branchial Cleft Anomalies Presentation Cyst in close relation to the thyroid gland Sinus tract ; pyriform sinus External openning 3 rd and 4 th Branchial Cleft Anomalies Presentation Cyst in close relation to the thyroid gland Sinus tract ; pyriform sinus External openning

30 3 rd and 4 th Branchial Cleft Anomalies Presentation Cyst in close relation to the thyroid gland Sinus tract ; pyriform sinus External openning 3 rd and 4 th Branchial Cleft Anomalies Presentation Cyst in close relation to the thyroid gland Sinus tract ; pyriform sinus External openning

31 Midline Cervical Cleft It is not a "true" cleft, as it does not involve Medial a gap cleft between adjacent skin flaps Median and only fissure extends of the partially neck through Midline the cervical skin layers. cord Midline cervical webbing The Pterygium cleft is often colli weeping medianum at birth, then toughens and dries, healing with a scar A subcutaneous fibrous cord that originates from the deep layer of the skin tag and ends in the subcutaneous tissue of the chin Midline Cervical Cleft

32 Conclusion Branchial arch anomalies should be bared in mind in all cysts or sinuses located from the root of the helix to the clavicle Other congenital anomalies Should be excluded Complete fistula has to be diagnosed Pull through branchial fistulectomy for complete fistula of the 2 nd arch 1st branchial arch anomalies should be excised with wide approach with care of the facial nerve

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