The role of core needle biopsy in the preoperative diagnosis of follicular neoplasm of the thyroid

Hye Sook Min, Ji Hoon Kim, Inseon Ryoo, So Lyung Jung, Chan Kwon Jung

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Follicular neoplasm/suspicious for follicular neoplasm (FN/SFN) can often be challenging to diagnose using core needle biopsy (CNB) specimens. We have developed the histologic criteria for the CNB diagnosis of FN and validated the usefulness of CNB. We retrospectively reviewed 184 CNBs and 224 FNACs diagnosed with FN/SFN. CNBs were histologically classified into four subgroups, based on the histologic features of follicular proliferation, fibrous capsulation, and surrounding parenchyma. Among 184 CNBs, 103 (55.9%) had previous FNAC results of non-diagnostic or indeterminate. Overall malignancy rates in FNAC (48%) and CNB (46%) were nearly identical (p > 0.05), and the neoplasm rate was higher in CNB (88%) than FNAC (74%) (p = 0.007). There was no significant difference in the malignancy rates among the four histologic subgroups. Among the 40 nodules with simultaneous CNB and FNAC, only nine had the FNAC diagnosis of FN/SFN, and others were non-diagnostic, benign, or atypia of undetermined significance. Overall, CNB improved specimen adequacy and achieved better sensitivity of the FN/SFN diagnosis in thyroid nodules that were inconclusive by FNAC. In the preoperative diagnosis of FN/SFN, CNB has no advantage over FNAC in predicting the likelihood of malignancy, but helps to reduce the need for repeat biopsy.

Original languageEnglish
Pages (from-to)993-1000
Number of pages8
JournalAPMIS
Volume122
Issue number10
DOIs
Publication statusPublished - 2014 Jan 1
Externally publishedYes

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Large-Core Needle Biopsy
Thyroid Neoplasms
Neoplasms
Thyroid Nodule

Keywords

  • Core needle biopsy
  • Fine-needle aspiration
  • Follicular neoplasm
  • Thyroid nodule

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Immunology and Allergy
  • Microbiology (medical)

Cite this

The role of core needle biopsy in the preoperative diagnosis of follicular neoplasm of the thyroid. / Min, Hye Sook; Kim, Ji Hoon; Ryoo, Inseon; Jung, So Lyung; Jung, Chan Kwon.

In: APMIS, Vol. 122, No. 10, 01.01.2014, p. 993-1000.

Research output: Contribution to journalArticle

Min, Hye Sook ; Kim, Ji Hoon ; Ryoo, Inseon ; Jung, So Lyung ; Jung, Chan Kwon. / The role of core needle biopsy in the preoperative diagnosis of follicular neoplasm of the thyroid. In: APMIS. 2014 ; Vol. 122, No. 10. pp. 993-1000.
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