phuluong2k
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39) A previously healthy 55-year-old man is referred for neurologic consultation because of persistent headache and change in personality over the past 2 months. He has smoked one pack of cigarettes daily for 30 years. Neurologic examination reveals decreased sensation in the right upper extremity. Neuroimaging studies show a 5-cm, ill-defined mass in the left parietal white matter. A ring-like zone of contrast enhancement is seen on T1-weighted MRI images, surrounded by extensive edema appreciated on T2-weighted images. Laboratory investigations are within normal limits, including negative antibodies to HIV. Which of the following is the most likely diagnosis?
A. Abscess
B. Demyelinating disease
C. Glioblastoma multiforme
D. Infarct
E. Metastasis
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| icefires
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| | 11/14/05 - 05:43 AM
1 of 1 forum leaders found this post helpful
| #2 |
C. GBM has a necrotic centre
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| chemamr
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it sounds like C
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| ARJ
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C. Glioblastoma multiforme
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| phuluong2k
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The key point is ill defined mass so GM
A has a well defined mass with a ring cof contrast
E has mass at grey & white material junction
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