Publications by authors named "Yu-tao Lei"

Objectives: Developing a deep learning radiomics model from longitudinal breast ultrasound and sonographer's axillary ultrasound diagnosis for predicting axillary lymph node (ALN) response to neoadjuvant chemotherapy (NAC) in breast cancer.

Methods: Breast cancer patients undergoing NAC followed by surgery were recruited from three centers between November 2016 and December 2022. We collected ultrasound images for extracting tumor-derived radiomics and deep learning features, selecting quantitative features through various methods.

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Human and animal imaging studies demonstrated that chronic pain profoundly alters the structure and the functionality of several brain regions and even causes mental dysfunctions such as depression and anxiety disorders. In this article, we conducted a multimodal study cross-sectionally and longitudinally, to evaluate how neuropathic pain affects the brain. Using the spared nerve injury (SNI) model which promotes long-lasting mechanical allodynia, results showed that neuropathic pain deeply modified the intrinsic organization of the brain functional network 2 weeks after injury.

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Objectives: Cervical discomfort and other symptoms may be attributable to the middle cervical sympathetic ganglion. The aim of this study was to explore the sonographic features of this ganglion in anatomical specimens and cadavers and evaluate the feasibility of its visualization using high-resolution ultrasonography.

Methods: We examined three cervical sympathetic-ganglion specimens and two fresh cadavers using high-resolution ultrasound to explore the sonographic features of this ganglion.

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Article Synopsis
  • The study investigates the effectiveness of ultrasound-guided vacuum-assisted excision (US-guided VAE) in treating high-risk breast lesions and their association with cancer recurrence.
  • Out of 73 patients treated, only benign phyllodes tumors showed recurrence, while other high-risk lesions like atypical ductal hyperplasia did not.
  • The recurrence rate of benign phyllodes tumors was 20.8%, notably higher for tumors closer to the nipple, suggesting that careful monitoring may be sufficient for certain low-risk cases instead of immediate surgery.
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Background: To evaluate the value of ultrasound-guided vacuum-assisted excision (US-guided VAE) in the treatment of intraductal papillomas, including intraductal papillomas with atypical ductal hyperplasia (ADH), and to evaluate the lesion characteristic features affecting the local recurrence rate.

Materials And Methods: Between August 2011 and December 2020, 91 lesions of 91 patients underwent US-guided VAE and were diagnosed with intraductal papilloma with or without ADH. The recurrence rate of intraductal papilloma was evaluated on follow-up US.

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Background: In China, traditional preoperative planning of unilateral breast reconstruction mainly depends on anthropometric measurement and visual assessment. Thus, the lack of objective assessment of breast volume and shape would likely result in suboptimal reconstruction outcomes. Three-dimensional surface imaging (3D-SI), which could provide objective measurement data of the breast, may be a promising solution to this problem.

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Article Synopsis
  • Total gaseous mercury (TGM) was monitored at Wuzhi mountain from May 2011 to May 2012, showing an average concentration of (1.58 ± 0.71) ng x m(-3), indicating little pollution in the area.
  • TGM levels were generally low during summer months but peaked from September 2011 to January 2012, influenced by tropical monsoons.
  • The study found a daily pattern in TGM concentrations, with lows in the morning and highs in the evening, affected by mercury transport from mainland China and local weather conditions.
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Mammary fibromatosis is an uncommon, benign tumor of the breast. It is locally aggressive and has a high rate of recurrence. Its clinical presentation and imaging results always call for suspicion of malignancy.

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Background: Human epidermal growth factor 2 (HER2) is one of the most important prediction factors, but only 25% - 30% of breast cancer patients HER2 are positive. It is unknown whether there are other molecular markers that could be used to predict prognosis and recurrence in HER2 negative patients. This study investigated correlations of cyclin A2 and HER2 levels with clinical outcomes in 281 patients with invasive breast cancer in order to identify whether cyclin A2 can serve as a prognostic factor in HER2 negative patients.

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