Magnetic resonance imaging appearance of oxidized regenerated cellulose in breast cancer surgery.
Radiol Med
; 121(9): 688-95, 2016 Sep.
Article
em En
| MEDLINE
| ID: mdl-27262578
ABSTRACT
PURPOSE:
To describe magnetic resonance imaging (MRI) findings in patients who underwent breast-conserving surgery followed by oxidized regenerated cellulose (ORC) implantation in surgical cavity. MATERIALS ANDMETHODS:
We retrospectively reviewed 51 MRI examinations performed between January 2009 and January 2014 in 51 patients who underwent BCS with ORC implantation.RESULTS:
In 29/51 (57 %) cases, MRIs showed abnormal findings with three main MRI patterns (1) complex masses hyperintense collections on T2-weighted (w) images with internal round hypointense nodules without contrast enhancement (55 %); (2) completely hyperintense collections (17 %); and (3) completely hypointense lesions (28 %). All lesions showed rim enhancement on T1w images obtained in the late phase of the dynamic study with a type 1 curve. Diffusion-weighted imaging was negative in all MRIs and, in particular, 22/29 (76 %) lesions were hyperintense but showing ADC values >1.4 × 10(-3) mm(2)/s, while the remaining 7/29 (24 %) lesions were hypointense. In four cases, linear non-mass-like enhancement was detected at the periphery of surgical cavity; these patients were addressed to a short-term follow-up, and the subsequent examinations showed the resolution of these findings.CONCLUSION:
When applied to surgical residual cavity, ORC can lead alterations in surgical scar. This could induce radiologists to misinterpret ultrasonographic and mammographic findings, addressing patients to MRI or biopsy; so knowledge of MRI specific features of ORC, it is essential to avoid misdiagnosis of recurrence.Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Neoplasias da Mama
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Imageamento por Ressonância Magnética
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Mastectomia Segmentar
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Celulose Oxidada
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Implantes de Mama
Tipo de estudo:
Observational_studies
Limite:
Adult
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Aged
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Aged80
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Female
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Humans
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Middle aged
Idioma:
En
Revista:
Radiol Med
Ano de publicação:
2016
Tipo de documento:
Article
País de afiliação:
Itália