Testis and epididymis
Nonneoplastic lesions
Meconium periorchitis



Topic Completed: 1 December 2012

Revised: 27 March 2019

Copyright: 2002-2018, PathologyOutlines.com, Inc.

PubMed Search: testicular meconium periorchitis

Sean R. Williamson, M.D.
Page views in 2019: 165
Page views in 2020 to date: 15
Cite this page: Williamson S. Meconium periorchitis. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/testismeconiumperi.html. Accessed February 21st, 2020.
Definition / general
  • Due to meconium peritonitis in fetal life (Hum Pathol 1986;17:807)
  • Meconium leaks from perforated viscus into peritoneum, through a patent processus vaginalis into scrotum
  • Patients present with testicular mass during infancy
  • Patients may have cystic fibrosis
Gross description
  • Yellowish green mass adherent to testis with multifocal dystrophic calcification
Microscopic (histologic) description
  • Pigment laden macrophages, myxoid stroma, squames, lanugo hair, calcification and mesothelial hyperplasia
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