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AIM To investigate the value of transabdominal ultrasonography (US) in the preoperative staging of gastric cancer. METHODS A total of 198 patients with gastric cancer underwent preoperatively transabdominal US, depth of tumor infiltration was assessed in 125 patients, and lymph node metastasis was assessed in 106 patients. RESULTS The staging accuracy(More)
OBJECTIVE Our objective was to assess the efficacy and safety of radiofrequency ablation of recurrent hepatocellular carcinoma (HCC) after hepatectomy and to compare the effects on early- and late-phase recurrence. SUBJECTS AND METHODS We studied 41 patients with 76 recurrent HCC tumors (diameter range, 2.0-6.6 cm; mean, 3.8 +/- 1.3 [SD] cm) after(More)
OBJECTIVE The objective of our study was to evaluate the clinical utility of performing contrast-enhanced sonography before percutaneous biopsy of focal liver lesions. SUBJECTS AND METHODS One hundred eighty-six patients with focal liver lesions detected on either sonography or contrast-enhanced CT were randomly divided into two groups: a group who(More)
OBJECTIVE Early assessment of response to neoadjuvant chemotherapy (NAC) for breast cancer allows therapy to be individualized. The optimal assessment method has not been established. We investigated the accuracy of automated breast ultrasound (ABUS) to predict pathological outcomes after NAC. METHODS A total of 290 breast cancer patients were eligible(More)
PURPOSE The purposes of this study were to investigate a treatment strategy to increase liver tumor necrosis and minimize complications with ultrasound-guided percutaneous radiofrequency (RF) ablation and to evaluate its therapeutic efficacy. MATERIALS AND METHODS A total of 332 patients with 503 liver malignancies underwent RF ablation according to a(More)
This study evaluated the efficacy of implant supported dental restorations in patients with chronic periodontal diseases at various stages within 2 years of completing treatment. 30 patients with periodontal diseases and 30 patients without periodontal diseases were studied. Total counts of 276 implant bodies were divided into group A (patients with(More)
Dendritic cells (DC) are potent antigen-presenting cells that can present tumor antigens chaperoned by heat shock proteins (HSPs), while local hyperthermia (LHT) can increase the expression of HSPs. In this study, we determine if intratumoral injection of immature DC after LHT (LHT+IT-DC) induces systemic antitumor immunity in patients with advanced(More)
OBJECTIVE To investigate the role of standard treatment with ultrasound-guided radiofrequency ablation (RFA) in improving the treatment level of liver malignancies. METHODS 302 patients with 476 liver malignancies were treated with established protocol and adjuvant measures and subjected to efficiency analysis. In the 302 patients, 181 had 282(More)
Metaplastic sarcomatoid carcinoma (MSC) of the breast is usually triple receptor (ER, PR, and HER2) negative and is not currently recognized as being more aggressive than other triple receptor-negative breast cancers. We reviewed archival tissue sections from surgical resection specimens of 47 patients with MSC of the breast and evaluated the association(More)
A total of 267 patients with hepatocellular carcinoma underwent ultrasound-guided radiofrequency ablation (RFA) in Peking University School of Oncology between 1999 and 2005 (421 RFA sessions). Among them, 254 patients were candidates for RFA treatment and the selective criteria were: (1) the greatest diameter of tumor <or=8.0 cm; (2) tumor number <or=4;(More)