PMC5884230_01
Preoperative image of the mouth reveals a huge soft tissue swelling affecting the right floor of the mouth.
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Clinical examination revealed a soft tissue mass, covered by the normal-appearing mucosa, with no ulceration (Figure 1).
Axial (a) and coronal (b) MRI of the lesion (see text for description).
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It involved the right floor of the mouth and tongue including the genioglossus, the hyoglossus, the mylohyoid, and the intrinsic muscles of the tongue (Figure 2).
Histopathology ofmature adipose tissue with striated muscle fibers interspersed within (hematoxylin and eosin, original magnification x200).
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Microscopic examination revealed mature adipose tissue with striated muscle fibers interspersed within (Figure 3).
Postoperative image of the mouth reveals a normal appearance of the tongue and floor of the mouth.
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Two years after surgery, the patient has no evidence of recurrence (Figure 4).