Sometimes They Are Right: A Rare Cause Of Leg Pain In A Medical Student - Page #4
 

Working Diagnosis:
Peripheral schwannoma

Treatment:
He decided to undergo elective surgery with orthopedic oncology over a school break .

Outcome:
During surgery, he experienced significant leg twitching due to some motor nerve fascicle involvement but there were no complications. The pathology confirmed the diagnosis of a schwannoma. The patient experienced diffuse burning pain for the first two weeks but this resolved. The patient also had no loss of sensation or proprioception and slowly recovered motor strength.

Author's Comments:
Peripheral schwannomas are the most common type of peripheral nerve tumor and make up 5% of benign soft-tissue neoplasms. The peak incidence occurs between ages 20-50. They are usually solitary, small in size

References:
1. Imaging of peripheral nerve sheath tumors with pathologic correlation: pictorial review. Pilavaki M, Chourmouzi D, Kiziridou A, Skordalaki A, Zarampoukas T, Drevelengas A. Eur J Radiol. 2004 Dec;52(3):229-39. Review.

2. Peripheral tumor and tumor-like neurogenic lesions.Abreu E, Aubert S, Wavreille G, Gheno R, Canella C, Cotten A. Eur J Radiol. 2013 Jan;82(1):38-50. doi: 10.1016/j.ejrad.2011.04.036.

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