Thyroid gland
Thyroiditis
Palpation thyroiditis

Author: Shahidul Islam, M.D., Ph.D. (see Authors page)

Revised: 1 December 2016, last major update March 2009

Copyright: (c) 2003-2016, PathologyOutlines.com, Inc.

PubMed search: "palpation thyroiditis"

Cite this page: Palpation thyroiditis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/thyroidpalpation.html. Accessed December 7th, 2016.
Definition / General
  • Common (85%+ of surgically resected thyroids) but clinically insignificant
Terminology
  • Also called multifocal granulomatous thyroiditis
Clinical Features
Case Reports
Treatment
  • Self limited, no treatment necessary
Gross Description
  • Normal, or small foci of hemorrhage
Micro Description
  • Multiple small granulomas centered in disrupted follicles, composed of lymphocytes (usually T cells), macrophages (some foamy), occasional multinucleated giant cells associated with colloid breakdown, usually no necrosis, no neutrophils
Micro Images
Images hosted on PathOut server:

Courtesy of Andrey Bychkov, M.D., Ph.D.

Superficially
located nodule
made up of several
disrupted follicles

Burst follicles
with intrafollicular
granulomatous
reaction


Images from AFIP:

Histiocytes within follicle #1

#2 - histiocytes are strongly lysozyme+



Images hosted on other servers:

Granuloma

Differential Diagnosis