PMC7433960_01
Swelling in the floor of mouth obliterating the lingual vestibule
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F1
On retraction of the tongue, a solitary 5 cm x 4 cm swelling was noted in the floor of the mouth on the right side, crossing the midline till the lower left central incisor, completely obliterating the lingual vestibule and occupying the entire floor of the mouth on that side [Figure 1].
Mucosa over swelling adherent to lingual gingiva in the region of 44, 45
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F2
The mucosa overlying the swelling was adherent to the lingual gingiva in the region of the lower right premolars [Figure 2].
Contrast-enhanced computed tomography coronal sections showing enhancing mass lesion in the right sublingual region
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F3
Contrast-enhanced computed tomography (CT) showed an enhancing mass lesion in the right sublingual region [Figures 3 and 4].
Contrast-enhanced computed tomography axial sections showing enhancing mass lesion in the right sublingual region
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F4
Contrast-enhanced computed tomography (CT) showed an enhancing mass lesion in the right sublingual region [Figures 3 and 4].
Histopathology photomicrograph
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F5
An incisional biopsy was thus carried out, which revealed the presence of mucous acini suggestive of minor salivary gland showing periductal inflammation and a very small portion of tumor cells arranged in cribriform pattern and cystic spaces filled with eosinophilic coagulum [Figure 5].
Excised surgical specimen showing well-encapsulated tumor; superficial mucosa seen excised along with the tumor
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F6
Intraoperatively, the swelling was found to be submucosal and well-encapsulated [Figure 6].