BACKGROUND
This 15-day-old boy of Indian origin presents with a 4 X 3-cm mass on the right side of his neck. The mass is firm, noncystic, and nontender. The patient was born by means of normal vaginal delivery after an uncomplicated pregnancy. The mass does not increase in size over the next 2 weeks. The baby is afebrile and has no respiratory symptoms or dysphagia. His complete blood count (CBC) shows no abnormalities.
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Hint
CT scanning of the neck reveals a solid swelling adjacent to the sternocleidomastoid (SCM) muscle.
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Author:
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Ted L. Tewfik, MD, FRCSC, Director and Professor, Department of Otolaryngology, Montreal Children's Hospital and McGill University, Canada, and M.D. Schloss, MD, Professor of Otolaryngology, McGill University, Canada
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eMedicine Editor:
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Sat Sharma, MD, Associate Professor, University of Manitoba, Department of Medicine, Division of Pulmonary Medicine
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eMedicine Case
