PMC3420410_01
Clinical appearance of the floor of the mouth (a) and submandibular (b). The tongue was deviated to the upper side, and the submental and left submandibular regions were swollen.
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fig1
Physical examination revealed deviation of the tongue to the upper side and swelling of the submandibular regions (Figure 1).
CT images. Axial (a) and coronal (b) images. CT revealing a mass of low density extending from the floor of the mouth to the left submandibular region.
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fig2
Blood tests were within normal limits, and a CT scan showed a low-density mass extending from the floor of the mouth to the mandible and protruding from the mylohyoid muscle (Figure 2).
MRI images. Coronal T1-weighted image (a) and axial T2-weighted image (b). MRI revealed that the mass showed a homogenous low signal intensity on the T1-weighted image and high signal intensity on the T2-weighted image.
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fig3
T2-weighted image (Figure 3).
Histological findings. Interlacing bundles of spindle cells with hyperchromatic nuclei (hematoxylin and eosin, 100x).
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fig4
Pathological diagnosis was a neurofibroma with no signs of malignancy (Figure 4).