Dilated rough endoplasmic reticulum corresponding to septate cytoplasmic vacuoles in papillary thyroid carcinoma.


Septate cytoplasmic vacuoles, which are one of the cytologic findings characteristic of papillary thyroid carcinoma, are small, uniform, and well-defined vacuoles, with defined strands of cytoplasm separating them. We report on a case with histologic and ultrastructural findings corresponding to septate cytoplasmic vacuoles, which have not been previously… (More)