Background: Poorly differentiated (PD) carcinomas of the thyroid are conceptually situated
between well-differentiated (papillary or follicular) carcinomas and anaplastic thyroid …

Poorly differentiated (PD) thyroid carcinomas lie both morphologically and behaviorally
between well-differentiated and undifferentiated (anaplastic) carcinomas. Following the …

Poorly differentiated (PD) carcinomas of the thyroid represent an heterogeneous but distinct
group of tumors, clinically and histopathogenetically intermediate between follicular-derived …

BACKGROUND The term poorly differentiated (PD) carcinoma was proposed 20 years ago
to define aggressive, follicular‐derived thyroid carcinomas with behavior intermediate …

BACKGROUND: Poorly differentiated thyroid carcinoma (PDTC) is an uncommon and
aggressive malignancy. Despite the significant clinical implications of a diagnosis of PDTC …

Currently, poorly differentiated thyroid carcinoma is not well defined, and the use of this
category might be confusing. The term was introduced by Sakamoto et al. 17 in 1983, and …

Poorly differentiated thyroid carcinoma (PDTC) is an aggressive form of follicular cell derived
thyroid carcinoma with a prognosis intermediate between the indolent well differentiated …

In his book on human tumors, Pierre Masson lamented that “no classification is more difficult
to establish than that of thyroid [carcinomas]. Their pleomorphism is almost the rule; very few …

The term poorly differentiated thyroid carcinoma (PDTC) was first proposed in the 1980s, but
it was not definitively recognized as a distinct pathologic entity until the most recent …

BACKGROUND Poorly differentiated thyroid carcinomas (PDTC) occupy an intermediate
position at the prognostic level on the spectrum of thyroid carcinoma progression. However …