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Multilocular mesothelial proliferation involving the skin of the umbilicus
Anastasia M Konstantinova1, Michal Michal, Denisa Kacerovska
1*Department of Pathology, Clinical Oncological Scientific and Practical Centre for Specialized Medical Care, Saint-Petersburg, Russia; †Medical Department, Saint-Petersburg State University, Saint-Petersburg, Russia; ‡Sikl's Department of Pathology, Charles University in Prague, Faculty of Medicine in Pilsen, Pilsen, Czech Republic; §Bioptical Laboratory, Pilsen, Czech Republic.
Abstract:
Multilocular mesothelial proliferation (MMP) is a rare lesion that mainly arises from the peritoneal mesothelium. Most often, it occurs in women of reproductive age, with a history of abdominal surgery, endometriosis, or pelvic inflammatory disease. We describe an unusual case of a 73-year-old woman affected by a large MMP, which involved the skin and presented clinically as a cutaneous mass. To the best of our knowledge, MMP involving the umbilicus has never been reported in a peer-reviewed literature.
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