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Fascicle differentiation of upper extremity nerves on high-resolution ultrasound with multimodal microscopic verification

L. Pušnik, B. Radochová, J. Janáček, F. Saudek, I. Serša, E. Cvetko, N. Umek, Ž. Snoj

. 2025 ; 15 (1) : 557. [pub] 20250102

Jazyk angličtina Země Anglie, Velká Británie

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/bmc25010353

Grantová podpora
P3-0043 Javna Agencija za Raziskovalno Dejavnost RS
P3-0043 Javna Agencija za Raziskovalno Dejavnost RS
P3-0043 Javna Agencija za Raziskovalno Dejavnost RS
P3-0043 Javna Agencija za Raziskovalno Dejavnost RS
P3-0043 Javna Agencija za Raziskovalno Dejavnost RS
P3-0043 Javna Agencija za Raziskovalno Dejavnost RS
P3-0043 Javna Agencija za Raziskovalno Dejavnost RS
P3-0043 Javna Agencija za Raziskovalno Dejavnost RS
N3-0256 Javna Agencija za Raziskovalno Dejavnost RS
22-02756K Grantová Agentura České Republiky
22-02756K Grantová Agentura České Republiky
22-02756K Grantová Agentura České Republiky
22-02756K Grantová Agentura České Republiky
22-02756K Grantová Agentura České Republiky
22-02756K Grantová Agentura České Republiky
22-02756K Grantová Agentura České Republiky
22-02756K Grantová Agentura České Republiky
LM2023050 Ministry of Education, Youth and Sports of the Czech Republic
LM2023050 Ministry of Education, Youth and Sports of the Czech Republic
LM2023050 Ministry of Education, Youth and Sports of the Czech Republic
LM2023050 Ministry of Education, Youth and Sports of the Czech Republic
LM2023050 Ministry of Education, Youth and Sports of the Czech Republic
LM2023050 Ministry of Education, Youth and Sports of the Czech Republic
LM2023050 Ministry of Education, Youth and Sports of the Czech Republic
LM2023050 Ministry of Education, Youth and Sports of the Czech Republic
CZ.02.1.01/0.0/0.0/18_046/0016045 European Regional Development Fund
CZ.02.1.01/0.0/0.0/18_046/0016045 European Regional Development Fund
CZ.02.1.01/0.0/0.0/18_046/0016045 European Regional Development Fund
CZ.02.1.01/0.0/0.0/18_046/0016045 European Regional Development Fund
CZ.02.1.01/0.0/0.0/18_046/0016045 European Regional Development Fund
CZ.02.1.01/0.0/0.0/18_046/0016045 European Regional Development Fund
CZ.02.1.01/0.0/0.0/18_046/0016045 European Regional Development Fund
CZ.02.1.01/0.0/0.0/18_046/0016045 European Regional Development Fund

This study aimed to compare the fascicular anatomy of upper limb nerves visualized using in situ high-resolution ultrasound (HRUS) with ex vivo imaging modalities, namely, magnetic resonance microscopy (MRM), histological cross-sections (HCS), and optical projection tomography (OPT). The median, ulnar, and superficial branch of radial nerve (n = 41) were visualized in 14 cadaveric upper limbs using 22-MHz HRUS. Subsequently, the nerves were excised, imaged with different microscopic techniques, and their morphometric properties were compared. HRUS accurately differentiated 51-74% of fascicles, while MRM detected 87-92% of fascicles when compared to the referential HCS. Among the compared modalities, HRUS demonstrated the smallest fascicular ratios and fascicular cross-sectional areas, but the largest nerve cross-sectional areas. The probability of a fascicle depicted on HRUS representing a cluster of multiple fascicles on the referential HCS increased with the fascicular size, with some differences observed between the larger median and ulnar nerves and the smaller radial nerves. Accordingly, HRUS fascicle differentiation necessitates cautious interpretation, as larger fascicles are more likely to represent clusters. Although HCS is considered the reference modality, alterations in nerve cross-sectional areas or roundness during sample processing should be acknowledged.

Citace poskytuje Crossref.org

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