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
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Cite this page: Williamson S. Meconium periorchitis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/testismeconiumperi.html. Accessed May 23rd, 2019.
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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