Thyroid & parathyroid

Other thyroid nonneoplastic

Postoperative spindle cell nodule



Last author update: 1 August 2014
Last staff update: 31 December 2020

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PubMed Search: postoperative spindle cell thyroid

Sheren Younes, M.D., Ph.D.
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Cite this page: Younes S. Postoperative spindle cell nodule. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/thyroidpostop.html. Accessed March 28th, 2024.
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

Images hosted on other servers:

Gross and microscopic findings

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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