Cell size as a prognostic factor in oncocytic poorly differentiated carcinomas of the thyroid

Sofia Asioli, Alberto Righi, Marco Volante, Luigi Chiusa, Ricardo V. Lloyd, Gianni Bussolati

Research output: Contribution to journalArticle

Abstract

Histological and cytological criteria in predicting clinical outcomes in patients with oncocytic poorly differentiated carcinoma (PDC) of the thyroid were investigated. In a set of 102 PDC patients, we performed a computer-assisted evaluation of cell size based on two different methods. Univariate analysis showed that cell size was a discriminant prognostic parameter in oncocytic PDC (30 cases) but not in the non-oncocytic carcinoma cases (72 cases). Patients with oncocytic PDC with small-medium cell size had a significantly increased risk of death (P =.029) and a decrease of disease-free survival (P =.014). This correlation was absent in cases of non-oncocytic PDC, where age and extensive vascular invasion were significant indicators of progression. The proposed morphological signature shows a robust discriminatory ability when tested on the oncocytic PDC group, and cell size assessment could thus be proposed as an inexpensive and readily evaluable parameter for predicting prognosis and planning therapy in this tumor type.

Original languageEnglish
Pages (from-to)1489-1495
Number of pages7
JournalHuman Pathology
Volume45
Issue number7
DOIs
Publication statusPublished - 2014

Keywords

  • Cell size
  • Oncocytic
  • Poorly differentiated carcinomas
  • Prognosis
  • Thyroid

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

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