case_images: PMC3770022_01
case_images: The Doppler ultrasonography of neck reveals a heterogeneous predominantly hypoechoic mass on the left carotid space showing mild peripheral vascularity.
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case_images: fig1
case_images: Doppler ultrasonography revealed hypoechoic mass in the left carotid space showing mild peripheral vascularity (Figure 1).
case_images: Computed tomography of the neck shows a heterogeneously enhancing hypodense mass on the left carotid space causing splaying of carotid bifurcation.
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case_images: fig2
case_images: Computed tomography of the neck showed a heterogeneously enhancing hypodense mass in the left carotid space causing splaying of carotid bifurcation (Figures 2 and 3).
case_images: Computed tomography of the neck shows heterogeneously enhancing hypodense mass in left carotid space causing splaying of carotid bifurcation.
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case_images: fig3
case_images: Computed tomography of the neck showed a heterogeneously enhancing hypodense mass in the left carotid space causing splaying of carotid bifurcation (Figures 2 and 3).
case_images: T1-weighted MR image reveals isointense mass on the left carotid space.
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case_images: fig4
case_images: On MRI examination, the mass was predominantly hypointense on T1- and hyperintense on T2-weighted images (Figures 4 and 5).
case_images: T2-weighted MR image shows hyperintense mass with central cystic component.
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case_images: fig5
case_images: On MRI examination, the mass was predominantly hypointense on T1- and hyperintense on T2-weighted images (Figures 4 and 5).
case_images: MR angiography image is showing splaying of external and internal carotid vessels on the left side.
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case_images: fig6
case_images: Also MR angiography confirmed splaying of external and internal carotid vessels on the left side (Figure 6).
case_images: Histopathology slide of the surgical specimen is consistent with diagnosis of Antoni A schwannoma.
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case_images: fig7
case_images: Histopathology confirmed diagnosis of cervical sympathetic chain schwannoma with distinct Antoni A areas (Figure 7).
case_images: PMC3770022_02
case_images: On USG neck, hypoechoic mass is seen on the left parapharyngeal space showing mild vascularity on Doppler study.
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case_images: fig8
case_images: USG neck revealed hypoechoic mass on the left parapharyngeal space showing mild vascularity on the Doppler study (Figure 8).
case_images: On CT scan, neck with contrast reveals a predominantly isodense mass on the left parapharyngeal space showing mild heterogeneous contrast enhancement. Note the insinuation of the mass between internal and external carotid arteries with resultant splaying of internal and external carotid arteries.
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case_images: fig9
case_images: On CT scan, large heterogeneous predominantly isodense to hypodense mass was seen in the left parapharyngeal space showing mild heterogeneous contrast enhancement (Figure 9).
case_images: Coronal reconstructed CT image demonstrates splaying of carotid bifurcation by the mass.
case_images: CRIM.MEDICINE2013-563019.010.jpg
case_images: PMC3770022_02_CRIM.MEDICINE2013-563019.010.jpg
case_images: fig10
case_images: Mass was seen insinuating between internal and external carotid arteries with resultant splaying of internal and external carotid arteries (Figure 10).
case_images: Digital subtraction angiography reveals hypovascular mass causing splaying of internal and external carotid arteries.
case_images: CRIM.MEDICINE2013-563019.011.jpg
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case_images: fig11
case_images: Digital subtraction angiography revealed hypovascular mass causing splaying of internal and external carotid arteries (Figure 11).
case_images: Histopathology slide of the surgical specimen is consistent with diagnosis of Antoni B type of schwannoma.
case_images: CRIM.MEDICINE2013-563019.012.jpg
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case_images: fig12
case_images: On histopathology, mass was proven to be vagal schwannoma (Figure 12).