case_images: PMC3591044_01
case_images: Clinical photograph showing intraoral soft tissue swelling in the left retromolar region bluish in colour with diffuse margins and stretched mucous membrane.
case_images: AMS-1-66-g001.jpg
case_images: PMC3591044_01_AMS-1-66-g001.jpg
case_images: F1
case_images: Clinical examination revealed a 2 cm smooth, spherical swelling at left retromolar region, which was normothermic, non-tender, soft in consistency, fluctuant, fluid-filled, bluish in color with stretched mucous membrane [Figure 1].
case_images: Computed Tomography (CT) scan showing a cystic lesion present medial to the angle of the mandible.
case_images: AMS-1-66-g002.jpg
case_images: PMC3591044_01_AMS-1-66-g002.jpg
case_images: F2
case_images: The imaging gave a conclusion remark of possibilities such as mucocele, lymphangioma, or necrotic lymph node [Figures 2 and 3].
case_images: Contrast CT scan showing cystic lesion medial to the angle of the mandible measuring 1.5 cm x 2.6 cm.
case_images: AMS-1-66-g003.jpg
case_images: PMC3591044_01_AMS-1-66-g003.jpg
case_images: F3
case_images: The imaging gave a conclusion remark of possibilities such as mucocele, lymphangioma, or necrotic lymph node [Figures 2 and 3].
case_images: Gross examination showing a cystic lesion, roughly oval in shape, creamish brown in color, and nodular surface.
case_images: AMS-1-66-g004.jpg
case_images: PMC3591044_01_AMS-1-66-g004.jpg
case_images: F4
case_images: Cystic sac was excised [Figure 4], with care taken to prevent any damage to cyst wall.
case_images: Photomicrograph showing malignant epidermoid cells, intermediate cells and mucous cells forming microcystic areas. Chronic inflammatory cell infiltrate is seen (H and E, 10x).
case_images: AMS-1-66-g005.jpg
case_images: PMC3591044_01_AMS-1-66-g005.jpg
case_images: F5
case_images: The unique feature histopathologically is that the tumor showed all types of cell differentiation: epidermoid, squamous, intermediate, mucus, clear, and columnar cells forming variety of epithelial patterns [Figures 5 and 6].
case_images: Photomicrograph showing syncytial arrangement of intermediate cells, and presence of columnar, mucous, and epidermoid cells (H and E, 10x).
case_images: AMS-1-66-g006.jpg
case_images: PMC3591044_01_AMS-1-66-g006.jpg
case_images: F6
case_images: The unique feature histopathologically is that the tumor showed all types of cell differentiation: epidermoid, squamous, intermediate, mucus, clear, and columnar cells forming variety of epithelial patterns [Figures 5 and 6].