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Clinical Problem Solving: Radiology |

Radiology Quiz Case 1

Andrew R. Scott, MD; Eric H. Holbrook, MD
Arch Otolaryngol Head Neck Surg. 2008;134(4):442. doi:10.1001/archotol.134.4.442.
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A 71-year-old woman was referred to our institution for evaluation of a rapidly enlarging neck mass along with dysphagia, drooling, and dyspnea. She reported that painless neck swelling had developed over the preceding month, followed by dramatic enlargement of a left-sided mass in the previous week. Before her transfer, a computed tomographic scan had been performed. The referring physician did not feel that the patient's airway could be secured before transport.

On presentation, the patient was in mild distress and unable to tolerate her secretions. Physical examination showed marked kyphosis and a large, firm, left-sided cervical mass that was causing right lateral neck flexion. Only secretions could be seen on flexible laryngoscopy. Vocal fold mobility could not be assessed because the mass obliterated the oropharynx, leaving no identifiable landmarks. An axial, contrast-enhanced computed tomographic scan of the neck and chest from the outside hospital was reviewed (Figure). Soft-tissue windows demonstrated axial cuts through the chest, with the patient's kyphotic posture positioning her head and neck in the coronal plane. A 10 × 7-cm heterogeneous mass was easily identified. Areas of hypodensity within the lesion were consistent with central necrosis and possible old hemorrhage. The mass extended from the level of the aortic arch inferiorly to the oropharynx superiorly and appeared to be centered in the left thyroid lobe. There was severe narrowing of the upper airway at the level of the inferior oropharynx.

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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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