Myopericytoma

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Myopericytoma, also glomangiopericytoma, is a rare perivascular soft tissue tumour.

General

  • Usu. benign.
  • Typically in the distal extremities.[1]

Microscopic

Features:

  • Abundant, branching thin-walled blood vessels.
  • Small bland epithelioid cells with moderate eosinophilic cytoplasm.
    • Unequally spaced cells (unlike glomus tumour).

Notes:

Images:

References

  1. Zidane A, Arsalane A, Harkat A, et al. (November 2010). "[Myopericytoma: an uncommon chest wall tumor]" (in French). Rev Mal Respir 27 (9): 1089–91. doi:10.1016/j.rmr.2010.09.017. PMID 21111282.
  2. Dray MS, McCarthy SW, Palmer AA, et al. (January 2006). "Myopericytoma: a unifying term for a spectrum of tumours that show overlapping features with myofibroma. A review of 14 cases". J. Clin. Pathol. 59 (1): 67–73. doi:10.1136/jcp.2005.028704. PMC 1860256. PMID 16394283. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1860256/.