case_images: PMC4319328_01
case_images: Extraoral photograph showing the lesion
case_images: CCD-6-113-g001.jpg
case_images: PMC4319328_01_CCD-6-113-g001.jpg
case_images: F1
case_images: Clinical examination showed severe facial asymmetry [Figure 1].
case_images: Intraoral aspect showing extensive mass involving the maxillary alveolar mucosa
case_images: CCD-6-113-g002.jpg
case_images: PMC4319328_01_CCD-6-113-g002.jpg
case_images: F2
case_images: Intra-oral examination showed a 5 cm x 6 cm, red, firm mass with grayish areas of central necrosis, covering the left side of the maxillary gingiva, from the canine to the second molar region [Figure 2].
case_images: Computed tomography scan showing extensive infiltrative lesion with displacement of adjacent structures
case_images: CCD-6-113-g003.jpg
case_images: PMC4319328_01_CCD-6-113-g003.jpg
case_images: F3
case_images: Computed tomography confirmed the presence of an extensive infiltrative lesion accompanied by severe bone destruction and displacement of adjacent structures [Figure 3].
case_images: Photomicrograph showing a sheet of mesenchymal cells in a myxoid stroma (H and E, x200)
case_images: CCD-6-113-g004.jpg
case_images: PMC4319328_01_CCD-6-113-g004.jpg
case_images: F4
case_images: Histopathological analysis of the hematoxylin and eosin stained material showed clusters of small round cells with hyper chromatic nuclei and eosinophilic cytoplasm separated by fibrovascular septae [Figure 4].