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Pitfalls in Frozen Section: A Case of Incidental Papillary Mesothelioma
Elina Shkolnik1, Jenna Marcus1, Debra S Heller1
112286Rutgers-New Jersey Medical School, Newark, NJ, USA.
Abstract:
Well-differentiated papillary mesothelioma is an uncommon benign, although potentially recurrent mesothelial lesion that occurs in the peritoneum of women over a wide age range. We recently encountered an incidental case sent for frozen section at the time of hysterectomy for endometrial carcinoma. Familiarity with this lesion will help prevent overinterpretation as a serous carcinoma.
Insights
Well-differentiated papillary mesothelioma is a rare, benign peritoneal lesion in women. Recognizing this condition is crucial to avoid misdiagnosis as serous carcinoma during gynecological surgeries.
Area of Science:
- Gynecologic Pathology
- Surgical Pathology
Background:
- Mesothelial lesions can be challenging to diagnose.
- Papillary mesothelioma is an uncommon benign neoplasm.
Observation:
- An incidental case of well-differentiated papillary mesothelioma was found during a hysterectomy for endometrial carcinoma.
- The lesion occurred in the peritoneum of a woman.
Findings:
- Well-differentiated papillary mesothelioma is a benign mesothelial lesion.
- It can be recurrent despite its benign nature.
Implications:
- Familiarity with this entity is essential for accurate intraoperative diagnosis.
- Prevents misinterpretation as malignant serous carcinoma, improving patient management.
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