Pseudoprogression in Koos grade 4 vestibular schwannomas following stereotactic radiosurgery: temporal dynamics and radiological predictors.

Uni- and multivariable analyses for pseudoprogression In uni- and multivariable analyses, only the presence of microcystic tumor components was significantly inversely associated with pseudoprogression, yielding a highly significant adjusted OR of 0.15 (95% CI 0.05–0.46; P < 0.001) compared to non-cystic tumors (Table 2 ).

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