Angiomyofibroblastoma

From Libre Pathology
Revision as of 19:06, 16 February 2014 by Michael (talk | contribs)
Jump to: navigation, search

Angiomyofibroblastoma is rare uncommon soft tissue lesion of the vulva.

General

  • Uncommon.
  • Similar lesions reported in males.[1][2]

Clinical:[3]

  • Slow growing.
  • Uncommonly recur.
  • Usually painless.

Clinical DDx:

Gross

Microscopic

Features:[4]

  • Hypercellular zones and hypocellular edematous zones.
  • Small blood vessels (~20 micrometers) - no large blood vessels - key feature.
  • Myxoid stroma - key feature.
  • Small stellate cell/spindle cells without significant nuclear atypia.

DDx:

Images

www:

IHC

  • SMA +ve.
  • S-100 -ve.
  • Actin -ve.
  • CD34 -ve.

See also

References

  1. 1.0 1.1 Ding, G.; Yu, Y.; Jin, M.; Xu, J.; Zhang, Z. (Feb 2014). "Angiomyofibroblastoma-like tumor of the scrotum: A case report and literature review.". Oncol Lett 7 (2): 435-438. doi:10.3892/ol.2013.1741. PMID 24396463.
  2. Butt, Z.; Slatnik, J.; Estey, EP. (Dec 2013). "Robotic assisted laparoscopic excision of a pelvic angiomyofibroblastoma-like tumor.". Can J Urol 20 (6): 7067-9. PMID 24331351.
  3. 3.0 3.1 Seo, JW.; Lee, KA.; Yoon, NR.; Lee, JW.; Kim, BG.; Bae, DS. (Sep 2013). "Angiomyofibroblastoma of the vulva.". Obstet Gynecol Sci 56 (5): 349-51. doi:10.5468/ogs.2013.56.5.349. PMID 24328028.
  4. Fletcher, CD.; Tsang, WY.; Fisher, C.; Lee, KC.; Chan, JK. (Apr 1992). "Angiomyofibroblastoma of the vulva. A benign neoplasm distinct from aggressive angiomyxoma.". Am J Surg Pathol 16 (4): 373-82. PMID 1314521.