Thyroid gland
Benign neoplasms
Postoperative spindle cell nodule

Author: Sheren Younes, M.D. (see Authors page)

Revised: 27 January 2017, last major update August 2014

Copyright: (c) 2014-2017,, Inc.

PubMed Search: postoperative spindle cell thyroid
Cite this page: Postoperative spindle cell nodule. website. Accessed March 26th, 2017.
Definition / General
Clinical Features
  • Thyroid mass
  • History of surgery or FNA
Radiology Description
Case Reports
Micro Description
  • Spindle cell proliferation
  • Bland cytology, no pleomorphism
  • Low mitotic count, no atypical mitoses
  • Other features may be seen as scattered inflammatory cells and histiocytes, focal myxoid change and delicate blood vessels
Micro Images

Images hosted on other servers:

Gross and microscopic findings


Cytology Description
  • Spindle cells with histiocytes, vague granulomatous pattern
Cytology Images

Images hosted on other servers:

Fragments of fibrocollagenous tissue

Positive Stains
Electron Microscopy Description
  • Characteristic myofibroblastic features
Differential Diagnosis