71D Metastasis, lung, small cell CA (Case 71) TTF-1 - Copy | Microscopic | NEOPLASMS (METASTASES)

Washington University Experience | NEOPLASMS (METASTASES) | Microscopic | 71D Metastasis, lung, small cell CA (Case 71) TTF-1 - Copy

Thyroid transcription factor 1 (TTF-1) is positive in the tumor cell nuclei. ---- Comment: The morphological and immunohistochemical features of this tumor are most consistent with a small cell neuroendocrine carcinoma of lung origin.

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Washington University Experience | NEOPLASMS (METASTASES) | Microscopic | 71D Metastasis, lung, small cell CA (Case 71) TTF-1 - Copy