Fibromatoses

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Micrograph showing a palmar fibromatosis. H&E stain.

Fibromatoses are a group of benign stromal lesions that may or may not be associated with syndromes.

Plantar fibromatosis redirects here.

Syndromes associated with fibromatoses

Types

Superficial

Deep

Gross

  • Firm.
  • Infiltrative borders.

Image:

Microscopic

Features:

  • Bland spindle cells - typically in fascicles.
    • Pale eosinophilic cytoplasm.[4]
    • Nucleus may be ovoid.[5]
  • Small thin blood vessels that are parallel to one another.
    • Nuclei of blood vessels are typically darker staining than those of the lesion.

DDx:

Images:

IHC

  • Beta-catenin +ve -- nuclear stain.
  • CD117 -ve.
  • CD34 -ve.[6]

Image:

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Deep

SOFT TISSUE LESION, LEFT SHOULDER, CORE BIOPSY:
- FIBROMATOSIS, SEE COMMENT.

COMMENT:
The lesion was evaluated with immunostains:
Positive: vimentin, SMA (rare), beta-catenin.
Negative: pankeratin, S-100, desmin, CD34 (stains vessels).

Plantar

Left Foot, Plantar Fascia, Fasciectomy:
	- Plantar fibromatosis.

Micro

The sections show a lesion with bland spindle cells. There is no apparent nuclear atypia. Mitotic figures are not identified. No myxoid areas are apparent. No necrosis is identified.

See also

References

  1. ↑ Kumar, Vinay; Abbas, Abul K.; Fausto, Nelson; Aster, Jon (2009). Robbins and Cotran pathologic basis of disease (8th ed.). Elsevier Saunders. pp. 1092. ISBN 978-1416031215.
  2. ↑ Mozena JD, Hansen EK, Jones PC (March 2022). "Radiotherapy for Plantar Fibromas (Ledderhose Disease)". J Am Podiatr Med Assoc 112 (1). doi:10.7547/19-008. PMID 35324461.
  3. ↑ Schoenfeld JD, Agaram NP, Lefkowitz RA, Kelly CM, Healey JH, Gounder MM (March 2022). "Sorafenib in Dupuytren and Ledderhose Disease". Oncologist 27 (3): e294–e296. doi:10.1093/oncolo/oyab050. PMC 8914480. PMID 35274715. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8914480/.
  4. ↑ URL: http://www.histopathology-india.net/Fibromatosis.htm. Accessed on: 18 September 2012.
  5. ↑ 5.0 5.1 5.2 Murphey, MD.; Ruble, CM.; Tyszko, SM.; Zbojniewicz, AM.; Potter, BK.; Miettinen, M. (Nov 2009). "From the archives of the AFIP: musculoskeletal fibromatoses: radiologic-pathologic correlation.". Radiographics 29 (7): 2143-73. doi:10.1148/rg.297095138. PMID 19926768.
  6. ↑ Li Destri, G.; Ferraro, MJ.; Calabrini, M.; Pennisi, M.; Magro, G. (2014). "Desmoid-type fibromatosis of the mesentery: report of a sporadic case with emphasis on differential diagnostic problems.". Case Rep Med 2014: 850180. doi:10.1155/2014/850180. PMID 25349618.

External links