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Radiology Quiz Case 2: Diagnosis
Arch Otolaryngol Head Neck Surg. 2009;135(6):615.
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Diagnosis: Hypopharyngeal lymphangioma
Lymphangiomas are benign lesions that are characterized by regional lymphatic dilatation, with no sex predilection. Approximately 50% to 60% of these lesions are evident at birth, and 80% to 90% are identified before the patient is 2 years old.1 The head and neck are the most commonly affected sites, particularly the posterior triangle of the neck. Lymphangiomas may grow rapidly, infiltrating into muscles or around nerves and blood vessels, and produce considerable cosmetic and functional impairment, such as recurrent infections, respiratory distress, malocclusion, dysphagia, dysphonia, and dysarthria.
Based on histologic analysis, lymphangiomas can be categorized morphologically as capillary, cavernous, or cystic.1 The capillary type, which is composed of tiny lymphatic channels, is usually confined to the superficial skin. The cavernous and cystic types contain dilated lymphatic spaces (Figure 4), and both types, though histologically similar, may differ macroscopically because of the quality of the surrounding soft tissue. Various . . . [Full Text of this Article]
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Radiology Quiz Case 2
Tzu-Ying Huang, Chung-Han Hsin, Po-Wen Cheng, and Tzung-Shiahn Sheen
Arch Otolaryngol Head Neck Surg. 2009;135(6):613.
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