CTICasesIntravenous Lipoma
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Imaging findings
Imaging demonstrated an endoluminal fatty mass located in the subclavian vein near the junction with the internal jugular vein. Serial imaging over five years confirmed gradual growth of the mass. The location is characteristic, and the fatty attenuation is consistent with an intravenous lipoma, a rare entity potentially arising from perivascular fat proliferation.
Key takeaways
Intravenous lipomas are rare, slow-growing masses that typically occur in specific locations like the subclavian vein. Recognizing their fatty density and location helps avoid misdiagnosis as thrombus, although surgical intervention is sometimes required if they are symptomatic or enlarging.
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