Fig. 4From: Diabetes insipidus and panhypopituitarism as a first presentation of silent adenocarcinoma of lung: a case report and literature reviewTumor resected from sellar mass composing of malignant epithelial cells with glandular formation (a hematoxylin-eosin, × 100) and intracellular mucin (b × 200). Immunohistochemical study showed that tumor cells were immunoreactive for antibodies of cytokeratin 7 (c × 200) and TTF-1 (e × 200) but not cytokeratin 20 (d × 200) and CDX-2 (f, × 200)Back to article page