Incidental thyroid nodules are commonly detected on ultrasonography (US). This has
contributed to the rapidly rising incidence of low-risk papillary thyroid carcinoma over the last …

Background: The question of how to manage patients with low-risk papillary thyroid
microcarcinoma (PTMC; T1aN0M0) has recently become an important clinical issue. Two …

The rate of detection of thyroid nodules and carcinomas has increased with the widespread
use of ultrasonography (US), which is the mainstay for the detection and risk stratification of …

Papillary microcarcinoma (PMC) of the thyroid is defined as papillary thyroid carcinoma
(PTC) measuring≤ 1 cm. Many autopsy studies on subjects who died of non-thyroidal …

Background The incidence of thyroid cancer is increasing globally. This is mainly due to the
increase in the detection of small papillary carcinomas, including papillary microcarcinomas …

Abstract The Japan Associations of Endocrine Surgeons has developed the revised version
of the Clinical Practice Guidelines for Thyroid Tumors. This article describes the guidelines …

Background: Rapid increases in the incidence of thyroid carcinoma with stable mortality
rates from thyroid carcinoma have been reported from many countries, and these increases …

Background: The rapid increase in the incidence of small papillary thyroid carcinoma (PTC)
appears to be caused by the detection of small thyroid cancers. Active surveillance (AS) was …

Background: Active surveillance (AS) for low-risk papillary thyroid microcarcinoma (PTMC)
was initiated at Kuma Hospital in 1993 and has gradually spread worldwide. We previously …

Background: Two Japanese prospective trials of active surveillance (AS) for adult patients
with low-risk papillary thyroid carcinoma (PTC)≤ 1 cm (cT1aN0M0 PTMC) have verified the …