Hyalinizing trabecular carcinoma of the thyroid gland

Kyle Molberg, Jorge Albores-Saavedra

Research output: Contribution to journalArticle

74 Citations (Scopus)

Abstract

We report four unusual cases of hyalinizing trabecular thyroid tumors, three of which displayed capsular and/or blood vessel invasion and were classified as minimally invasive carcinomas. These three patients were all euthyroid women aged 18, 39, and 62 years. The youngest patient also had familial polyposis, while the oldest patient was being followed for Hashimoto's thyroiditis. All three lesions were solitary nodules, were "cold" by radioactive iodine thyroid scan, and ranged from 2.5 to 4.0 cm in diameter. The tumors were encapsulated and had growth patterns and cytologic features similar to those described for hyalinizing trabecular adenomas. In fact, the only difference between these minimally invasive hyalinizing trabecular carcinomas and the corresponding adenomas was the presence of capsular invasion in all three of the cases and vascular invasion in two. All three patients are free of recurrent or metastatic disease at 1 to 2 years' follow-up. The fourth patient, a 48-year-old woman, had a micropapillary carcinoma within a hyalinizing trabecular adenoma. She is also free of disease 5 years following excision of the involved lobe. These findings suggest that hyalinizing trabecular thyroid tumors have a malignant counterpart, similar to conventional follicular adenomas, and that papillary thyroid carcinomas may arise within hyalinizing trabecular thyroid tumors.

Original languageEnglish (US)
Pages (from-to)192-197
Number of pages6
JournalHuman Pathology
Volume25
Issue number2
DOIs
StatePublished - 1994

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Thyroid Gland
Adenoma
Carcinoma
Blood Vessels
Neoplasms
Hashimoto Disease
Iodine
Growth

Keywords

  • hyalinizing trabecular adenoma
  • minimally invasive thyroid follicular carcinoma
  • thyroid papillary carcinoma
  • thyroid tumors

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

Hyalinizing trabecular carcinoma of the thyroid gland. / Molberg, Kyle; Albores-Saavedra, Jorge.

In: Human Pathology, Vol. 25, No. 2, 1994, p. 192-197.

Research output: Contribution to journalArticle

Molberg, Kyle ; Albores-Saavedra, Jorge. / Hyalinizing trabecular carcinoma of the thyroid gland. In: Human Pathology. 1994 ; Vol. 25, No. 2. pp. 192-197.
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