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Updated: Nov 20, 2025

An Orthotopic Sciatic Nerve Xenograft for Neurofibromatosis Type 1 Neurofibromas
Published on: October 10, 2025
Neurofibroma originating from a urachal mass
Spyridon P Basourakos1, Khushabu Kasabwala, Robert Silich
1Department of Urology, New York Presbyterian Hospital, Weill Cornell Medical Center, New York, New York, USA.
This study reports the first known case of a benign neurofibroma found in the urachus of an adult male. This rare urachal tumor was initially suspected to be malignant but proved benign upon pathological examination.
Area of Science:
- Urology
- Oncology
- Pathology
Background:
- Urachal anomalies are uncommon in adults and often present as malignant tumors.
- Neurofibromas are typically benign peripheral nerve sheath tumors, rarely affecting the genitourinary system.
Observation:
- A 61-year-old male presented with a urachal mass, initially presumed to be malignant.
- Surgical excision of the urachal mass was performed.
Findings:
- Pathological evaluation revealed the mass to be a neurofibroma, a benign tumor.
- This represents the first documented instance of a neurofibroma originating from the urachus.
Implications:
- This case expands the known differential diagnosis for urachal masses in adults.
- Highlights the importance of thorough pathological examination for rare genitourinary tumors.
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