case_images: PMC9154164_01
case_images: Preoperative findings. (a) Protruding mass of 5 x 3 cm in the submental area, (b) Computed tomography findings (Axial view): rim-enhanced fluid-density lesion in the submental area, (c) Computed tomography findings (Sagittal view): soft -tissue edema, infiltration around the rim
case_images: IJD-67-58-g001.jpg
case_images: PMC9154164_01_IJD-67-58-g001.jpg
case_images: F1
case_images: A 53-year-old woman visited our outpatient clinic with a new round-shaped protruding mass (size: 5.0 cm x 3.0 cm) in the submental area [Figure 1a]. In addition, soft-tissue edema, infiltration around the rim, and thickening of the left platysma muscle was observed [Figure 1b and c].
case_images: Removed mass (size: 3.0 x 2.0 x 2.0 cm, whitish, fibrous tissue with no evidence of grains or vasculature involvement)
case_images: IJD-67-58-g002.jpg
case_images: PMC9154164_01_IJD-67-58-g002.jpg
case_images: F2
case_images: The removed mass was a 3.0 cm x 2.0 cm x 2.0 cm whitish fibrous tissue with no evidence of grains or vasculature involvement [Figure 2].
case_images: Pathologic findings. (a) H and E staining; magnification x 40, (b) H and E staining; magnification x 100, (c) Gomori methenamine silver staining; magnification x 400
case_images: IJD-67-58-g003.jpg
case_images: PMC9154164_01_IJD-67-58-g003.jpg
case_images: F3
case_images: Histological examination revealed cystic changes with necrosis and chronic active inflammation [Figure 3a]. Fungal hyphae intermingled with necrotic tissue were observed [Figure 3b]. Gomori methenamine silver staining of the specimen highlighted the broad and noseptate hyphae with nearly 90  branching [Figure 3c].