Case Report
Copyright ©2007 Baishideng Publishing Group Co.
World J Gastroenterol. Nov 7, 2007; 13(41): 5521-5524
Published online Nov 7, 2007. doi: 10.3748/wjg.v13.i41.5521
Table 2 Diagnostic criteria for schwannomatosis[23]
Definite schwannomatosis
1Two or more pathologically proved schwannomas, plus
2Lack of radiographic evidence of vestibular schwannoma at age > 18 yr
Presumptive or probable schwannomatosis
1Two or more pathologically proved schwannomas without symptoms of eighth nerve dysfunction at age > 30 yr or
2Two or more pathologically proved schwannomas in an anatomically limited distribution (single limb or segment of the spine), without symptoms of eighth nerve dysfunction, at any age