What question did this study set out to answer?

To report a rare case of solitary fibrous tumor with neuroendocrine differentiation that complicates diagnosis.

415 SSTR2 Expression in an Epithelioid Meningeal Solitary Fibrous Tumor with Neuroendocrine Dedifferentiation: A Potential Diagnostic Pitfall

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Case report demonstrates solitary fibrous tumor with neuroendocrine features in a 28-year-old male, indicating potential diagnostic challenges.

To report a rare case of solitary fibrous tumor with neuroendocrine differentiation that complicates diagnosis.
Case report of a 28-year-old male presenting with neurological symptoms.
Imaging and histopathological examination to characterize the tumor.
Immunohistochemistry utilized to assess SSTR2 and neuroendocrine marker expression.
Case revealed a solitary fibrous tumor with a NAB2::STAT6 fusion confirmed by molecular analysis.
Notable findings included high Ki-67 proliferation index and patchy SSTR2 expression.
Tumor presented with aggressive features affecting the right parietal region.

Sulaimanova et al. (2025) studied this question.

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Case report demonstrates solitary fibrous tumor with neuroendocrine features in a 28-year-old male, indicating potential diagnostic challenges.