Nerve Sheath Myxoma in the Lower Extremity: A Rare Case with Description of Magnetic Resonance Imaging and Sonographic Findings

Dawood A. Tafti; Micheal C. Dearborn; Ashley Ornoff; Adam R. Moeck; Nathan D. Cecava

doi:10.12659/AJCR.927922

05 April 2021: Articles

Nerve Sheath Myxoma in the Lower Extremity: A Rare Case with Description of Magnetic Resonance Imaging and Sonographic Findings

Rare disease

Dawood A. Tafti ^A* , Micheal C. Dearborn ^B , Ashley Ornoff ^B , Adam R. Moeck ^E , Nathan D. Cecava ^A

DOI: 10.12659/AJCR.927922

Am J Case Rep 2021; 22:e927922

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Background Case Report Discussion Conclusions References:

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Table 1. Table of case reports of nerve sheath myxomas with descriptions of magnetic resonance imaging characteristics. Features listed include T1 and T2 signal characteristics, enhancement, as well as other noteworthy features.

	T1	T2	Enhancement	Other characteristics
This case report (ankle)	Isointense to muscle	Bright	Present	Internal septations
O’Rourke et al [] (forearm)¹⁸	Isointense	Bright	Present	Heterogeneous enhancement
Vij et al [] (CPA angle)¹⁹	Hypointense	Bright	Present	Extension into internal auditory meatus
Malkoc et al [] (paravertebral space)²⁹	Mildly hyperintense	Moderately hyperintense	Present	Lesion heterogeneity; Post-gadolinium figure shows probable septations
Khashaba et al [] (hand)³⁰	Hypointense	Hypointense	Not reported	Lesion heterogeneity; STIR figure shows probable septations
Bulduk et al [] (middle cranial fossa)³¹	Hypointense	Bright and intermediate portions	Present	Solid and cystic components
Sanchez-Orgaz et al [] (orbit)³²	Hypointense	Bright	None on CT	Conjunctival congestion

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Nerve Sheath Myxoma in the Lower Extremity: A Rare Case with Description of Magnetic Resonance Imaging and Sonographic Findings

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