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8 Cards in this Set
- Front
- Back
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Is lipoma generally painful on presentation? ls there an exception?
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Not generally painful
Angiolipoma is the exception, as it can be painful |
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What are the two components of the MIR appearance of a lipoma?
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Well-demarcated mass
Same MRI signal as adjacent fat (bright T1 and T2. dark on fat-suppressed audi shout tau inversion recovery [STIR]) |
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How is a Iipoma treated?
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Marginal resection
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What cells are classically associated with the histology of liposarcoma?
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Signet ring cells (lipoblasts)
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What is the size of the tumor at presentation? Why?
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Large (5 to 15 cm)
Because it is a slow-growing deep asymptomatic mass |
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What factor predicts the likelihood of metastasis?How?
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Grade
Low grade: <10% metastasize High grade: >50%metastasize |
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What is the MRI appearance of a liposarcoma?
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Dark on T1
Bright on T2, STIR, and fat-suppressed images |
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What is unique about liposarcoma staging as compared with staging for other sarcomas?
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Liposarcoma: CT chest/abdomen/pelvis
Other sarcomas: CT chest |
