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In Vivo Inhibition of MicroRNA to Decrease Tumor Growth in Mice
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Our experience with papillary thyroid microcancer.

Anulekha Mary John1, Paul M Jacob2, Regi Oommen3

  • 1Department of Endocrinology, Diabetes and Metabolism, Christian Medical College, Vellore, Tamil Nadu, India.

Indian Journal of Endocrinology and Metabolism
|June 20, 2014
PubMed
Summary
This summary is machine-generated.

Papillary thyroid microcarcinoma (PTMC) is often an incidental finding during thyroid surgery. Despite potential lymph node metastasis, PTMC generally shows a good prognosis, similar to larger papillary thyroid cancers.

Keywords:
Micro papillary cancerpapillary thyroid micro cancerthyroid micro cancer

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Area of Science:

  • Endocrinology
  • Oncology
  • Pathology

Background:

  • Papillary thyroid microcarcinoma (PTMC) is defined as papillary thyroid cancer measuring less than 1 cm.
  • PTMC is frequently discovered incidentally during thyroidectomy for other conditions.

Purpose of the Study:

  • To investigate the clinicopathologic features, treatment, and long-term outcomes of papillary thyroid microcarcinoma.
  • To understand the clinical presentation and prognostic indicators of PTMC.

Main Methods:

  • Retrospective analysis of 94 PTMC cases from 1300 thyroidectomy specimens (2005-2012).
  • Evaluation of clinicopathologic characteristics, surgical management (total thyroidectomy, hemithyroidectomy, lymph node dissection), and radioactive iodine therapy.
  • Assessment of long-term outcomes, including recurrence and survival rates.

Main Results:

  • PTMC was found incidentally in 7.2% of thyroidectomy specimens, with multinodular goiter being the most common surgical indication.
  • Mean tumor size was 4.1 mm; multifocal disease occurred in 44.1%.
  • Regional lymph node metastasis was observed in 14.2%, with rare distant metastasis (1.3% bone metastasis).

Conclusions:

  • Papillary thyroid microcarcinoma is often an incidental finding with a generally favorable prognosis.
  • While regional lymph node metastasis can occur, PTMC shares a similar good outcome to papillary thyroid carcinoma.
  • Early detection and appropriate management contribute to favorable long-term outcomes for PTMC patients.