Omentum

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Omentum a much neglected structure. It is often removed in the context of gynecologic oncology procedure.

Grossing

  • There is no widely accepted evidence-based standard; thus, the protocol differs from centre to centre.
  • In the context of a gynecologic malignancy/suspected gynecologic malignancy:
    • One centre I worked at puts through six (standard) blocks if there is no gross evidence of disease.
    • One study suggests 3-5 blocks is enough if there is no macroscopic disease.[1]

Pathology of the omentum

Benign

Mesothelial:

Other:

Malignant

Primary:

Metastatic:

See also

References

  1. Usubütün, A.; Ozseker, HS.; Himmetoglu, C.; Balci, S.; Ayhan, A. (Oct 2007). "Omentectomy for gynecologic cancer: how much sampling is adequate for microscopic examination?". Arch Pathol Lab Med 131 (10): 1578-81. doi:10.1043/1543-2165(2007)131[1578:OFGCHM]2.0.CO;2. PMID 17922596.
  2. Garbin, O.; Hummel, M.; Diana, M.; Wattiez, A.. "Solitary fibrous tumor of the great omentum.". J Minim Invasive Gynecol 18 (6): 694-5. doi:10.1016/j.jmig.2011.01.013. PMID 22024257.