| http://www.w3.org/ns/prov#value | - childhood or adolescence, whilst type 2 usually presents in adults aged under 40 years, and mostly in the 20s.Around 45% of type 2 present with hearing problems such as deafness and tinnitus, with or without loss of balance or facial weakness due to vestibular schwannomas.Caf??-au-lait spots are the usual, early feature of NF1 but there are rarely more than six spots in NF2.
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