case_images: PMC4349102_01
case_images: Axial ultrasonographic image showing hypoechoic cable-like neural fascicle (arrows) separated by substratum hyperechoic fat
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case_images: PMC4349102_01_iranjradiol-12-01-11270-g001.jpg
case_images: fig14890
case_images: Sonography of the swelling demonstrated enlarged cross-section of the median nerve (4.3 cm2; normal cross-section, 5.78 +- 0.9 mm2) under the flexor retinaculum with hypoechoic cable-like neural fascicle separated by hyperechoic fat (Figure 1).
case_images: Axial ultrasonographic image showing involvement of upper portion of median nerve (arrows)
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case_images: fig14891
case_images: On ultrasonographic evaluation, the median nerve involvement was extended to the proximal forearm at the level of pronator teres muscle (Figure 2).
case_images: Magnetic resonance image showing typical "coaxial cable-like" appearance of median nerve in T2-TSE sequence
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case_images: fig14892
case_images: On axial image, the lesion demonstrated a characteristic "coaxial cable-like" appearance (Figure 3).
case_images: The intraoperative view of the enlarged median nerve of the patient at distal forearm and carpal tunnel region
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case_images: fig14893
case_images: At surgery, enlargement of the median nerve under the flexor retinaculum in the distal forearm and carpal tunnel was observed (Figure 4).
case_images: The histopathologic view shows infiltration of the perineurium of the median nerve by mature fibrous and adipose Tissue (Hematoxylin and Eosin staining; magnification, x 100)
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case_images: fig14894
case_images: Histopathologic study demonstrated infiltration of perineurium with mature fibrous and adipose tissue (Figure 5).