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Pathology Quiz CaseDiagnosis
Arch Otolaryngol Head Neck Surg. 2003;129:1346.
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| Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings. |
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Diagnosis: Aneurysmal bone cyst (ABC) of the maxilla
Aneurysmal bone cyst is an expansive lesion consisting of thin-walled, blood-filled cavities. It affects all age groups, but is most common in the first 2 decades of life, with a median age of 13 years and a slight female preponderance.1 It usually arises in the metaphysis of the long bones, especially the femur, tibia, humerus, and posterior elements of the vertebral bodies. Aneurysmal bone cysts of the maxilla are rare, representing approximately 1% of cases.1 The most common site of ABC in the head and neck is the mandible. Pain and swelling are common presenting symptoms, and trauma appears to be an important factor in the pathogenesis.2 The characteristic radiologic appearance of ABC is that of a lytic, eccentric, expansive mass with well-defined margins. Magnetic resonance imaging and computed tomography can show fluid-filled spaces separated by septa.3
The characteristic histologic appearance is that of multilocular blood-filled spaces lined by fibroblasts . . . [Full Text of this Article]
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Pathology Quiz Case
Justin Weir, Nicky Harris, and Consolato Sergi
Arch Otolaryngol Head Neck Surg. 2003;129(12):1345.
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