<prompt> True about juvenile respiratory papillomatosis -a Affects children commonlyb Lower respiratory tract can be involvedc May resolve spontaneouslyd Microlaryngoscopic surgery is treatment of choiceabcbcdabdAll of the above  <response>: As discussed in the previous questions Juvenile respiratory papillomatosis:a. Affects children commonly, option a is correctb. Lower respiratory tract can be involved though larynx is the MC site affected Mouth, pharynx, tracheobronchial tree and oesophagus can all be affected Hence option b is correctc. May resolve spontaneously Hence option c is correctd. Microlaryngoscopic surgery is the treatment of choiceCO2 laser surgery, which is a form of microlaryngoscopic surgery is the treatment of choiceHence option d is also correct. 