'A special population of patients with recurrent respiratory papillomatosis (RRP) may be more suseptible to
HPV -related oncogenesis in the larynx and other portions of the respiratory tract. RRP is typically assoctiated with
HPV-6 and
HPV-11, which are considered to be low risk types, warts, in the anoanogenital tract. However, data fron clinical cases have documented instances in which low risk
HPV(typically
HPV-11) RRP related can undergo malignamy transformation. seems to be uncommon. Adult 3 to 5% with adult onset.'
http://www.hu.ufsc.br/projeto_hpv/T...rrent%20Respiratory%20Papillomatosis.pdfhttp://www.ncbi.nlm.nih.gov/pubmed/20015762