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Updated: Aug 6, 2026

An Orthotopic Sciatic Nerve Xenograft for Neurofibromatosis Type 1 Neurofibromas
Published on: October 10, 2025
Neurofibromatosis type 1 and masses of the appendix: a case report
Elli Rosenberg1, Eyal Sheiner, Gershon Holcberg
1Department of Obstetrics and Gynecology, Faculty of Health Sciences, Soroka University Medical Center, Ben Gurion University of the Negev, Beer-Sheva, Israel.
Background:
Neurofibromatosis type 1 is an autosomal dominant disease with high penetrance, affecting 1:3,000 pregnancies. Meningiomas and other benign central nervous system tumors, such as ependymomas, are common features.
Case:
A patient with neurofibromatosis underwent cesarean section due to intrauterine growth restriction and nonreassuring fetal heart rate patterns. Examination of the abdominal cavity and intestines revealed a large (diameter, 12 cm), rubbery, fibrin-coated appendicular mass. The appendix was removed, and pathologic analysis confirmed the diagnosis of neuroma of the appendix.
Conclusion:
The case stresses the importance of careful inspection and evaluation of the abdominal cavity during surgery on patients with neurofibromatosis for the detection of possible associated masses.
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