Linguine sign in musculoskeletal imaging: calf silicone implant rupture

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Abstract

Imaging findings of breast silicone implant rupture are well described in the literature. On MRI, the linguine sign indicates intracapsular rupture, while the presence of silicone particles outside the fibrous capsule indicates extracapsular rupture. The linguine sign is described as the thin, wavy hypodense wall of the implant within the hyperintense silicone on T2-weighted images indicative of rupture of the implant within the naturally formed fibrous capsule. Hyperintense T2 signal outside of the fibrous capsule is indicative of an extracapsular rupture with silicone granuloma formation. We present a rare case of a patient with a silicone calf implant rupture and discuss the MRI findings associated with this condition.

Original languageEnglish (US)
Pages (from-to)1157-1160
Number of pages4
JournalSkeletal Radiology
Volume44
Issue number8
DOIs
Publication statusPublished - Aug 22 2015

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All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging

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