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, PathologyOutlines.com, Inc.

PubMed Search: postoperative spindle cell thyroid
Cite this page: Postoperative spindle cell nodule. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/thyroidpostop.html. Accessed February 22nd, 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

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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