Lymph nodes - not lymphoma
Inclusions, pigment, ectopic cells or tissue
Thyroid follicles

Author: William D. DePond, M.D. (see Authors page)

Revised: 28 June 2018, last major update June 2013

Copyright: (c) 2003-2018,, Inc.

PubMed Search: Thyroid follicles lymph nodes

Cite this page: DePond, W. D. Thyroid follicles. website. Accessed October 15th, 2018.
Definition / general
  • 1 - 3% of cervical nodes
Microscopic (histologic) description
  • Capsular or subcapsular involvement with 20 - 30 normal appearing colloid filled thyroid follicles
Differential diagnosis
  • Metastatic papillary carcinoma: assume metastatic unless see small aggregate of follicles that are round / oval, loosely arranged with no papillae, normal sized nuclei and nucleoli, fine chromatin, no crowded nuclei, no stromal reaction, no psammoma bodies