鼻内窥镜-巨大的上颌窦后鼻孔息肉腺样体肥大、鼻窦炎

                               
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This video show nose endoscopy of young boy with Huge Antrochoanal Polyp in right nasal cavity ,  Adenoid Hypertrophy & Sinusitis . In this case , Polyp is obstructing the opposite choana also .
Child presented with complain nose blockage , frequent cold , cough , ear fullness , snoring & mouth breathing since last 3 months .
Antrochoanal Polyp  
It arises from the mucosa of maxillary sinus antrum , comes out of it and grows in the choana and nasal cavity. Hence , it has three parts.  
(1) Antral: which is a thin stalk.
(2) Choanal: which is round and globular.
(3) Nasal: which is flat from side to side.

It is mostly seen in children and young adults. Usually single and unilateral. Exact cause is not known but related to nasal allergy & sinusitis .
Treatment :
Removal by Endoscopic sinus surgery .
Caldwell-Luc operation in recurrent cases .