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Total Surface Area Is Useful for Differentiating between Aggressive and Favorable Multifocal Papillary Thyroid Carcinomas
Yonsei Medical Journal ; : 355-361, 2015.
Article in English | WPRIM | ID: wpr-210031
ABSTRACT

PURPOSE:

The purpose of the present study was to identify more useful parameters for predicting behaviors of multifocal papillary thyroid carcinoma (PTC). MATERIALS AND

METHODS:

We investigated dominant tumor diameter (TD), total tumor diameter (TTD), and total surface area (TSA) in tumors from 588 patients and evaluated their usefulness as parameters for assessment of tumor behaviors in multifocal PTCs.

RESULTS:

In 588 PTCs, tumor multifocality was found in 179 PTCs (30.4%). Multifocal tumors were significantly associated with extrathyroidal extension, lymph node metastasis, and higher tumor stage grouping (p3.14 cm2 had higher rates of nodal metastasis than mPMCs with TSA 1.0 cm and with TTD 3.14 cm2 than in unifocal papillary thyroid microcarcinomas (uPMCs) (TD 1.0 cm) (p=0.244).

CONCLUSION:

Our results suggest that mPMCs with TSA >3.14 cm2 show more aggressive behavior than uPMCs and mPMCs with TSA < or =3.14 cm2. TSA could be useful in distinguishing aggressive mPMCs from favorable cases.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Prognosis / Thyroidectomy / Thyroid Neoplasms / Carcinoma / Carcinoma, Papillary / Predictive Value of Tests / Lymph Nodes / Lymphatic Metastasis / Neoplasm Staging Type of study: Prognostic study Limits: Adult / Aged / Female / Humans / Male Language: English Journal: Yonsei Medical Journal Year: 2015 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Prognosis / Thyroidectomy / Thyroid Neoplasms / Carcinoma / Carcinoma, Papillary / Predictive Value of Tests / Lymph Nodes / Lymphatic Metastasis / Neoplasm Staging Type of study: Prognostic study Limits: Adult / Aged / Female / Humans / Male Language: English Journal: Yonsei Medical Journal Year: 2015 Type: Article