כנסים רפואיים בהם השתתף ד"ר דרנדל

May 2007  – as speaker – The Monthly Meeting of the Israeli Society of Otolaryngology,  Head and Neck Surgery, Tel Hashomer, Israel.

Mar 2009 – as poster – Annual meeting of the Israeli society of Otolaryngology/Head and neck surgery, Eilat, Israel.

Mar 2010 – as poster – Annual meeting of the Israeli society of Otolaryngology/Head and neck surgery, Eilat, Israel.

Mar 2011 – as speaker – Annual meeting of the Israeli Society of Otolaryngology/Head and Neck Surgery, Eilat, Israel.

Mar 2012 – as speaker – Annual meeting of the Israeli Society of Otolaryngology/Head and Neck Surgery, Eilat, Israel.

Mar 2014 – as poster – Annual meeting of the Israeli Society of Otolaryngology/Head and Neck Surgery, Eilat, Israel.

Mar 2014 – as speaker – Annual meeting of the Israeli Society of Otolaryngology/Head and Neck Surgery, Eilat, Israel.

Sep 2017 – as poster – 7th European Society for Swallowing Disorders Congress, Barcelona, Spain.

Feb 2018 – as speaker – Annual congress of Speech Therapists Society, Jerusalem, Israel.

Mar 2018 – as speaker – Annual meeting of the Israeli society of Otolaryngology/Head and neck surgery, Eilat, Israel.

Sep 2018 – as poster – 8th European Society for Swallowing Disorders Congress, Dublin, Ireland.

Sep 2018 – as poster – 8th European Society for Swallowing Disorders Congress, Dublin, Ireland.

Feb 2018 – as speaker – Annual congress of Speech Therapists Society, Tel Aviv, Israel.

Mar 2019 – as speaker – Annual meeting of the Israeli society of Otolaryngology/Head and neck surgery, Eilat, Israel.

Mar 2019 – as senior author – Annual meeting of the Israeli society of Otolaryngology/Head and neck surgery, Eilat, Israel.

Sep 2019 – as poster – 9th European Society for Swallowing Disorders Congress, Vienna, Austria.