… a more aggressive behavior than conventional intrathyroidal … Our lack of knowledge regarding
the biologic behavior of TCV … In order to assess the biologic and clinical behavior of TCV …

… Whereas many of these variants differ from classical papillary carcinoma only by a … behavior
than the classical papillary carcinoma. A notable example is the columnar cell variant, 12,14,…

… its clinical behavior. Indeed, these improved insights into the similarities and differences
among RCC variants should offer clinical and therapeutic opportunities to improve patient care. …

… cell carcinoma. As such, there is insufficient experience to reliably predict the biologic behavior
of … -melanocytic tumor favored to be a melanoma variant, review the literature on similar …

… cellular subpopulations and facilitates the rapid development of … cell clones including
more aggressive cellular variants eventually being suited for metastasizing64, 73, 8'. Tumor cell …

… biological behavior appears to pertain to anaplastic MBs, as it does to large cell MBs (3). …
prognosis (14), a distinctive biological behavior has not been unequivocally demonstrated for …

… the criteria of an LC/A variant, and its biological behavior continues to be the subject of …
cells, which explains why this subtype is designated as a large cell/anaplastic (LC/A) variant…

… , tall cell variant, for a diagnosis of tall cell variant of PTC we required the predominant presence
of cells … In addition, we also considered a particular variant described in pediatric age by …

… histological variants of PTC have been found to be associated with more … biologic behavior
and poorer prognosis [1, 2]. Tall cell variant (TCV), the most common aggressive variant of …

… PURPOSE: Sarcomatoid variants of renal cell carcinoma (RCC) are aggressive tumors that
respond poorly to immunotherapy. We report the outcomes of 31 patients with sarcomatoid …