Thyroid gland
Thyroiditis
Palpation thyroiditis

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

Revised: 6 February 2017, last major update March 2009

Copyright: (c) 2003-2017, PathologyOutlines.com, Inc.

PubMed search: "palpation thyroiditis"

Cite this page: Palpation thyroiditis. PathologyOutlines.com website. http://pathologyoutlines.com/topic/thyroidpalpation.html. Accessed February 20th, 2017.
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

Granulomatous folliculitis

Multinucleated giant cells replacing colloid within follicle



Images from AFIP:

Histiocytes within follicle #1

#2 - histiocytes are strongly lysozyme+



Images hosted on other servers:

Granuloma

Differential Diagnosis