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Surgical Case Reports
Fig. 2 | Surgical Case Reports

Fig. 2

From: Pathologically confirmed spontaneous regression of small cell lung cancer after computed tomography-guided percutaneous transthoracic needle biopsy followed by surgery

Fig. 2

Pathological findings of the computed tomography-guided percutaneous transthoracic needle biopsy (CT-guided PTNB) specimen. Pathological examination of CT-guided PTNB specimens revealed dense small cells with a high nucleus-to-cytoplasm ratio (A, HE × 200). Immunohistochemical staining showed that the tumor cells were positive for CD56 (B, HE × 200), synaptophysin (C, HE × 200), and chromogranin (D, HE × 200)

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