Case report
Open access
Sep 2026
Tumor-to-tumor metastasis of small cell carcinoma of presumed pulmonary origin to a sphenoid ridge meningioma: A diagnostic pitfall in preoperative systemic evaluation
Background: Tumor-to-tumor metastasis (TTM) to a meningioma is rare. Atypical meningioma-like lesion with systemic cancer risk factors warrants evaluation for metastatic disease before resection. Case Description: An 80-year-old man with a smoking history and pulmonary emphysema presented with progressive cognitive dec...
Satoru Yabuno, Akito Ikeda, Yutaka Yamauchi et al.
· Surgical neurology internati... · 0 citations