Oral and oropharyngeal tumors

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Oral and oropharyngeal tumors C.M. Beil, M. Keberle European Journal of Radiology Volume 66, Issue 3, Pages 448-459 (June 2008) DOI: 10.1016/j.ejrad.2008.03.010 Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 1 MRI of a venous malformation. Extension through the mandible and the mylohyoid muscle into the lower lip and the submandibular region (arrows): T2 hyperintense, strong enhancement on post-contrast T1. European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 2 MRI of lymphangioma of the floor of the mouth and left tonsillar region (arrows): T2 hyperintense, slight enhancement on post-contrast T1. European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 3 MRI of a dermoid cyst of the floor of the mouth: (A) after contrast administration no enhancement and (B) T2 hyperintense. European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 4 MRI of lingual thyroid tongue and floor of the mouth (arrows). Irregular rather strong enhancement after contrast administration. European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 5 CT of peritonsillary abscess (arrow). Hypodense lesion with rim enhancement after contrast administration. European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 6 MRI of peritonsillary abscess (arrows): enlargement of left tonsillar and peritonsillar region with T2 hyperintense lesion. Strong enhancement after contrast administration with central hypointense abscess. European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 7 CT of simple ranula (arrows) as well delineated hypodense lesion without contrast enhancement with displacement of the genioglossus and mylohyoid muscle. European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 8 CT of plunging ranula: transversal (A), sagittal (B) and coronal (C) images show well-defined hypodense lesion with hyperdense contrast-enhancing rim. European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 9 CT of plunging ranula (arrows) with displacement of left submandibular gland (*). European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 10 CT of pleomorphic adenoma of the hard palate (arrows): well-circumscribed hypodense formation on the left side of the hard palate (courtesy of Vincent Chong Fook Hin). European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 11 OPG and MRI of hemangioma (arrows) of the right buccal region: T2 hyperintense formation with strong enhancement after contrast administration. Phleboliths visible on the Orthopantomogram (courtesy of Soraya Robinson). European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 12 CT of contrast enhancing squamous cell carcinoma of the lower lip (*). Bilateral lymph node metastases with peripheral enhancement and central hypodense necrosis (arrows). European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 13 CT of squamous cell carcinoma of the floor of the mouth (arrow) with infiltration of the intrinsic muscles. Bilateral lymph node metastases (*). European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 14 CT of squamous cell carcinoma of the retromolar trigonum (arrows): contrast-enhancing formation at the left retromolar trigonum with bone erosion. European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 15 MRI of squamous cell carcinoma of the right edge of the tongue (arrows): T2 moderate hyperintense formation with strong enhancement on post-contrast T1. European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 16 MRI of squamous cell carcinoma of the base of the tongue (arrows): T2 slightly hyperintense formation crossing the midline with inhomogenous enhancement on post-contrast T1. European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 17 MRI of squamous cell carcinoma of the base of the tongue (arrows): T2 hyperintense formation on the left base of the tongue with moderate enhancement on post-contrast T1 images. Central necrotic enlarged lymph nodes (*). European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 18 CT of squamous cell carcinoma of the tongue (arrows): contrast-enhancing mass on the left side of the tongue crossing the midline. European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 19 MRI of squamous cell carcinoma of the dorsal oropharyngeal wall (arrows). Mass shows moderate enhancement on T1-images after contrast administration. European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 20 CT of squamous cell carcinoma of the oropharynx (*): contrast-enhancing mass of the base of the tongue crossing the midline. European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 21 CT of squamous cell carcinoma of the oropharynx: contrast-enhancing mass originating from the right tonsil with extensive deep and perivascular infiltration (arrows). European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

Fig. 22 CT of adenoid cystic carcinoma of the left sublingual gland (arrows): strong enhancement on post-contrast image (courtesy of Vincent Chong Fook Hin). European Journal of Radiology 2008 66, 448-459DOI: (10.1016/j.ejrad.2008.03.010) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions