Abstract:
PURPOSE:Puerperal breast abscess after polyacrylamide hydrogel (PAAG) augmentation mammoplasty can induce breast auto-inflation resulting in serious consequences. Mammography, ultrasound, and conventional MRI are poor at detecting related PAAG abnormality histologically. We evaluated the value of diffusion-weighted imaging (DWI) in the quantitative analysis of puerperal PAAG abscess after augmentation mammoplasty. MATERIALS AND METHODS:This was a retrospective study, and a waiver for informed consent was granted. Sixteen puerperal women with breast discomfort underwent conventional breast non-enhanced MRI and axial DWI using a 3T MR scanner. Qualitative analysis of the signal intensity on DWI and conventional sequences was performed. The apparent diffusion coefficient (ADC) values of the affected and contralateral normal PAAG cysts were measured quantitatively. Paired t test was used to evaluate whether there was significant difference. RESULTS:Both affected and normal PAAG cysts showed equal signal intensity on conventional T1WI and fat saturation T2WI, which were not helpful in detecting puerperal PAAG abscess. However, the affected PAAG cysts had a significantly decreased ADC value of 1.477 ± 0.332 × 10(-3)mm(2)/s and showed obvious hypo-intensity on the ADC map and increased signal intensity on DWI compared with the ADC value of 2.775 ± 0.233 × 10(-3)mm(2)/s of the contralateral normal PAAG cysts. CONCLUSION:DWI and quantitative measurement of ADC values are of great value for the diagnosis of puerperal PAAG abscess. Standardized MRI should be suggested to these puerperal women with breast discomfort or just for the purpose of check up. DWI should be selected as the essential MRI sequence.
journal_name
Aesthetic Plast Surgjournal_title
Aesthetic plastic surgeryauthors
Liu L,Long M,Wang J,Liu N,Ge X,Hu Z,Shen Wdoi
10.1007/s00266-014-0442-zsubject
Has Abstractpub_date
2015-02-01 00:00:00pages
84-90issue
1eissn
0364-216Xissn
1432-5241journal_volume
39pub_type
杂志文章abstract::Anne K. Groth's name was wrongly tagged in the original publication of this article. It has been corrected here. ...
journal_title:Aesthetic plastic surgery
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pub_type: 历史文章,杂志文章
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