Which of the following is a feature of papillary thyroid carcinoma?

Papillary thyroid carcinoma is characterized by several distinct histological features, one of which is the presence of ground glass nuclei. These nuclei are often described as having a "frosted glass" appearance due to their irregular contours and the finely dispersed chromatin within them. This feature is highly indicative of papillary thyroid carcinoma and helps in differentiating it from other types of thyroid neoplasms during microscopic examination.

Additionally, the identification of psammoma bodies can also support the diagnosis of papillary thyroid carcinoma; however, ground glass nuclei are a more defining histological feature. In contrast, other options either do not correctly describe features associated with papillary thyroid carcinoma or are characteristic of different conditions or types of tumors. Understanding these features is crucial for pathology professionals when diagnosing thyroid malignancies, thus highlighting the significance of recognizing ground glass nuclei specifically in papillary thyroid carcinoma.