Subjects will be randomly assigned into two groups (30 patient each group): Group A will undergo endoscopic partial adenoidectomy using the 70◦ rigid endoscope trans-orally and shaver (microdebrider) ,by removing the upper (choanal) part only with leaving the lower part of the adenoid .(2) Group B will undergo total adenoidectomy ,by removing all the adenoid lymphoid tissue .

1. Relief of nasal obstruction while preserving the function of velopharyngeal valve and assessment of the recurrence rate.

Relief of nasal obstruction of posterior nasal chona using fibro-optic evaluation and assessment of recurrence rate using also questionnaires sheets to all parents.