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Chapter 40. Carotid Body Tumors and Vascular Anomalies
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Which of the following is true?
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A. Vascular malformations are congenital.
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B. Vascular malformations can be classified as slow flow and fast flow.
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C. Vesicles on the mucosa or skin overlying a vascular lesion are diagnostic of a lymphatic malformation.
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D. Venous malformations are compressible and distend when in a dependent position.
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E. All of the above are true.
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Which of the following is true?
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A. There are two types of hemangiomas: congenital and infantile.
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B. Hemangiomas have three phases of growth.
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C. Hemangiomas are identical to placenta.
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D. Propranolol is the standard treatment for symptomatic hemangiomas.
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E. All of the above is true.
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Which of the following is characteristic of arteriovenous malformations?
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A. Are compressible and expand when reclining or bending over
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B. Best treated with a flash-lamp pulsed-dye laser
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C. Expand by hemodynamic mechanisms and may become tumors with cell proliferation
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D. Have a proliferation and an involution phase
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E. Are identical to Placenta
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A 56-year-old patient presents to the ER with a 3-cm fixed, nontender mass in the left upper neck. A contrasted CT of the neck shows a heterogeneous-enhancing lesion that splays ICA and ECA. In the workup of this patient all the following are indicated, except:
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B. Ultrasound-guided fine-needle aspiration biopsy
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C. Plasma-free metanephrines
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Histologic findings in carotid body tumors include all of the following except:
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B. Zellballen configuration.
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E. All of the above findings are seen in carotid body tumors.