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Clinical Problem Solving: Radiology |

Radiology Quiz Case 1

Pei-Yin Wu, MD; Michael Friedman, MD; Shun-Chen Huang, MD; Hsin-Ching Lin, MD
Arch Otolaryngol Head Neck Surg. 2009;135(7):716-719. doi:10.1001/archoto.2009.58-a.
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A 31-year-old man presented with a 6-month history of progressive dyspnea. He also complained of a sensation of a lump in his throat and a voice change. He was otherwise healthy. Flexible laryngoscopy revealed a large, submucosal mass at the base of the tongue that was compressing the epiglottis posteriorly and obstructing nearly 90% of the supraglottis (Figure 1). There was no palpable cervical lymphadenopathy. A computed tomogram (CT) of the head and neck showed a 3.5 × 3.0-cm, nonenhancing, globular, well-defined lesion located at the base of the tongue (Figure 2) and a normal position of the thyroid gland. The results of laboratory studies were within normal limits.

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The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
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