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[A clinicopathological study of multiple thyroid carcinomas].

T Ishikita1, T Ishida, T Ogawa

  • 12nd Dept. of Surgery, School of Med., Gunma Univ.

Gan No Rinsho. Japan Journal of Cancer Clinics
|November 1, 1988
PubMed
Summary

Multiple thyroid carcinomas are common, with 25% of primary thyroid cancers presenting multiple lesions, predominantly papillary types. Careful examination and bilateral neck dissection are crucial for effective management.

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Area of Science:

  • Endocrinology
  • Oncology
  • Pathology

Context:

  • Thyroid cancer is a significant health concern.
  • Multiple cancerous lesions within the thyroid gland present unique diagnostic and therapeutic challenges.
  • Previous studies have highlighted the incidence and histological types of thyroid carcinomas.

Purpose:

  • To investigate the clinicopathological features of multiple thyroid carcinomas.
  • To determine the prevalence and characteristics of multiple cancerous lesions in thyroid cancer cases.
  • To provide recommendations for surgical management and lymph node dissection in cases of multiple thyroid cancers.

Summary:

  • A study of 443 primary thyroid cancer cases revealed that 111 (25%) had multiple cancerous lesions.
  • The majority of these multiple cancers were histologically identified as papillary carcinomas.

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  • In 66% of cases, the secondary cancer measured 1.0 cm or less, and 53% were found in both thyroid lobes.
  • Lymph node metastasis was observed in 83% of multiple cancer cases.

    • Impact:

    • Highlights the importance of examining the contralateral thyroid lobe during surgery for any nodular lesions.
    • Underscores the necessity of bilateral neck dissection for multiple thyroid cancer cases, irrespective of whether the primary tumor is unilateral or bilateral.
    • Informs surgical strategies to improve patient outcomes in managing multifocal thyroid malignancies.