Figure 2From: Ectopic corticotropin-releasing hormone (CRH) syndrome from metastatic small cell carcinoma: a case report and review of the literatureImmunohistochemistry of biopsy samples from a CT guided biopsy of a liver metastasis. The cells stained positively for chromogranin, synaptophysin, thyroid transcription factor 1 (TTF-1) and CD-56. The cells stained negatively for ACTH but were strongly positive for CRH.Back to article page