Fig. 2From: A challenging TSH/GH co-secreting pituitary adenoma with concomitant thyroid cancer; a case report and literature reviewPathologic finding of pituitary tumor in a patient with TSH/GH co-secreting tumor: Microscopic features reveal large polygonal shaped tumor cells with occasional pleomorphic nuclei. They are arranged in a trabecular or diffuse pattern. A Hematoxylin and eosin stain(× 200). B Hematoxylin and eosin stain(× 40), Fibrotic nodular area. C Immunohistochemical stain for TSH (× 200). D Immunohistochemical stain for GH (× 200). E Immunohistochemical stain for Pit-1 (× 200)Back to article page