Thyroid gland
Benign neoplasms
Postoperative spindle cell nodule



Topic Completed: 1 August 2014

Revised: 18 March 2019

Copyright: 2014-2017, PathologyOutlines.com, Inc.

PubMed Search: postoperative spindle cell thyroid

Sheren Younes, M.D.
Page views in 2018: 227
Page views in 2019 to date: 295
Cite this page: Younes S. Postoperative spindle cell nodule. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/thyroidpostop.html. Accessed December 12th, 2019.
Definition / general
Clinical features
  • Thyroid mass
  • History of surgery or FNA
Radiology description
Case reports
Microscopic (histologic) 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
Microscopic (histologic) images

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Gross and microscopic findings

Bladder

Cytology description
  • Spindle cells with histiocytes, vague granulomatous pattern
Cytology images

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Fragments of fibrocollagenous tissue

Positive stains
Electron microscopy description
  • Characteristic myofibroblastic features
Differential diagnosis
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