Hernia sac

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Author: Mikael Häggström [note 1]

Gross pathology of a hernia sac.


On this resource, the following formatting is used for comprehensiveness:

  • Minimal depth
  • (Moderate depth)
  • ((Comprehensive))


Generally 10% neutral buffered formalin.

Gross processing

A gross inspection is almost always enough, and tissue generally does not need to be submitted except in unique circumstances.[1] ((Still you may submit 1 cassette of one or more representative sections for an inguinal hernia sac in a patient aged up to 16 years of age, or in case of hernia sacs from other regions than inguinal.))

Gross report
((A. Labeled - ___. The specimen is received in formalin and consists of)) __ fragment(s) of pink-tan fibromembranous tissue, measuring ___ cm in greatest dimension and ___ cm in greatest thickness. The surfaces are smooth. There are no sections submitted for microscopic examination. (Representative sections are submitted for microscopic examination in __ cassettes.)

Microscopic report

In case of a gross only examination, the microscopic report may still be given as a formality:

Right inguinal region, herniorrhaphy:
Hernia sac, gross examination only.

When microscopy slides of the case are available, you may screen the sample at low magnification to rule out obvious pathology:

Umbilical hernia sac, hernia repair:
Connective tissue lined by mesothelium, consistent with hernia sac.


  1. For a full list of contributors, see article history. Creators of images are attributed at the image description pages, seen by clicking on the images. See Patholines:Authorship for details.

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  1. Chesley PM, Black GE, Martin MJ, Johnson EK, Maykel JA, Steele SR (2015). "The utility of pathologic evaluation of adult hernia specimens. ". Am J Surg 209 (5): 783-6; discussion 786. doi:10.1016/j.amjsurg.2014.12.019. PMID 25725504. Archived from the original. . 

Image sources