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Figure 3 | Surgical Case Reports

Figure 3

From: Primary intrathoracic malignant neurogenic tumor: report of three cases and comparison with benign neurogenic tumors resected at our institution

Figure 3

Diagnostic exam results for case 3. Chest enhanced CT (A) and T2-weighted MRI (B) showed a well-defined and ovoid mass located in the paravertebral sulcus. The tumor extended into the spinal canal. Six months after initial detection of the tumor, chest enhanced CT (C) showed a huge, heterogeneous mass extending into the intraspinal canal with involvement of adjacent vertebrae. The microscopic appearance of the tumor is shown (D). The tumor was a highly cellular malignant spindle cell neoplasm that contained alternating cellular and more myxoid areas (low-power view). The tumor cells had eosinophilic cytoplasm, wavy hyperchromatic nuclei, and high mitotic activity (high-power view).

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