Which of the following is seen on electron microscopy of medullary thyroid carcinoma specimens?
Medullary carcinoma on electron microscopy reveals variable numbers of membrane-bound electron-dense granules within cytoplasm of neoplastic cells.
Presence of electron-dense granules in the nucleus
Presence of electron-dense granules in the mitochondria
Presence of electron-dense granules in the endoplasmic reticulum
Presence of electron-dense granules in the cytoplasm
Thyroid Tumor