Warning: preg_match(): Compilation failed: nothing to repeat at offset 14 in /home/xfoklmxg/public_html/plugins/fabrique_auto/humanpath/humanpath_fonctions.php on line 61

Warning: preg_match(): Compilation failed: nothing to repeat at offset 37 in /home/xfoklmxg/public_html/plugins/fabrique_auto/humanpath/humanpath_fonctions.php on line 61

Warning: preg_match(): Compilation failed: missing ) at offset 56 in /home/xfoklmxg/public_html/plugins/fabrique_auto/humanpath/humanpath_fonctions.php on line 61
melanosis peritonei - Humpath.com - Human pathology

Home > F. Pathology by regions > Abdomen > Peritoneal cavity > melanosis peritonei

melanosis peritonei

Tuesday 24 May 2011

Melanosis peritonei is extremely rare, and only rare cases have been reported in the English literature, four in association with ovarian dermoid cysts, and one with a peritoneal cyst.

Melanophages are present focally in the submucosa, superficial muscle layer, and ulcer bases of the cyst and extensively as small nodules on the peritoneal surface and in the omentum.

The tendency of perivascular nodular aggregation of melanophages favors a hematogenous (or lymphatic) spread rather than implantation.

The melanin can originate from the esophageal-like squamous mucosa of the cyst.

Associations

- enteric duplication cyst (8554107)

References

- Melanosis peritonei associated with enteric duplication cyst. A case report. Jung YC, Chen CJ, Tzeng CC. Am J Surg Pathol. 1996 Feb;20(2):181-6. PMID: 8554107