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Abstract
Out of 81 patients suffering from velopharyngeal incompetence, nine persons were found to have developed nasal speech (Rhinolalia) after having undergone tonsillo-adenoidectomy. The velopharyngeal incompetence was corroborated by cinefluorography and respiratory studies. These nine patients underwent an electromyographic study as well, which revealed sub-mucous cleft-palate in six of them. The role of tonsillo-adenoidectomy in breaking down compensated palato-pharyngeal incompetence is discussed.