Diagnostic Accuracy of Combined 3.0T Magnetic Resonance Imaging and Molybdenum Target X-Ray in Triple-Negative Breast Cancer: Correlation with Prognosis in Patients Undergoing Sentinel Lymph Node Biopsy.

Objective: This study assessed the diagnostic efficacy of combining 3.0T MRI and molybdenum target X-ray in triple-negative breast carcinoma (TNBC) and its association with the prognosis of sentinel lymph node biopsy (SLNB). Methods: The retrospective analysis included 128 patients suspected of having TNBC, who underwent 3.0T MRI and molybdenum target X-ray. Sensitivity and specificity were calculated for each imaging technique, and their combined diagnosis was evaluated using the four-table method. Consistency between the imaging techniques and pathological examination was assessed using the consistency checking method. Additionally, changes in imaging indicators were compared among patients with different prognostic indicators. Results: Among the 128 patients, 86 were diagnosed with TNBC through pathological examination. The sensitivity and specificity of 3.0T MRI for TNBC were 82.56% and 76.19%, respectively. Molybdenum target X-ray exhibited a sensitivity of 77.91% and specificity of 78.57%. The combined diagnosis of the two techniques showed a sensitivity of 90.70% and specificity of 86.36%. There was good agreement between both imaging techniques and pathological examination results. Significant differences were observed in imaging indicators based on tumor diameter, histological grade, and lymph node metastasis. Conclusion: Both 3.0T MRI and molybdenum target X-ray are valuable in diagnosing TNBC. Additionally, these imaging techniques provide prognostic information and can aid in treatment decision-making. The findings highlight the importance of 3.0T MRI and molybdenum target X-ray in improving the outcomes of patients with TNBC.

Value of Molybdenum Target X-Ray and High-Frequency Color Doppler Flow Imaging in Early Diagnosis of Breast Carcinoma: A Comparative Analysis.

Background: Breast carcinoma (BC) threatens the physical and mental health of women worldwide, and early diagnosis is important for improving patient outcomes and ensuring successful treatment. Purpose: This research mainly aims to compare and analyze the value of molybdenum target X-ray and high-frequency color Doppler flow imaging (CDFI) in the early diagnosis of BC. Methods: First, 102 patients with suspected early-stage BC (ESBC) admitted to Henan Provincial People's Hospital were examined by molybdenum target X-ray and CDFI. Based on the pathological findings, the diagnostic efficiency data of the two diagnostic modalities such as positive detection rate (PDR), positive predictive value (PPV), negative predictive value (NPV), sensitivity (SEN), specificity (SPE), and accuracy (ACC), as well as imaging information like masses, microcalcifications (MCs), axillary lymph node (LN) metastases, and blood flow signal or vascular sign abnormalities were analyzed. Results: CDFI contributed to higher PDR, PRV, NPV, SEN, and ACC than molybdenum target X-ray in ESBC diagnosis, but similar SPE. The combined diagnosis of molybdenum target X-ray plus CDFI contributed to even higher PDR, PRV, NPV, SEN, and ACC than molybdenum target X-ray alone and higher ACC than CDFI. Imaging inspection revealed that the number of cases of masses, axillary LN metastases, and abnormalities in blood flow signals or vascular signs detected by CDFI was significantly higher than that by molybdenum target X-ray, while the number of MCs was significantly lower. Conclusion: Molybdenum target X-ray plus CDFI is more effective in the diagnosis of ESBC and plays a complementary role in imaging examination, which can synergistically improve the diagnostic ACC of ESBC and is worthy of clinical promotion.

Molybdenum Target X-Ray Features and Estrogen Receptor, Progesterone Receptor, and Human Epidermal Growth Factor Receptor 2 in Invasive Breast Cancer.

OBJECTIVE: The aim of this study was to investigate the correlations between molybdenum target X-ray mammography features and the expressions of estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2) in invasive breast cancer (IBC) and their clinical significance. METHODS: The correlations between the mammographic features and expressions of ER, PR, and HER2 in 378 cases of IBC confirmed by pathology were analyzed retrospectively. RESULTS: The differences in the ER, PR, and HER2 positive expression between gland types were statistically significant (P < 0.05). The expression of ER was positively correlated with the presence of nipple depression (P < 0.05). Moreover, ER and PR expressions were positively correlated with the absence of axillary lymph node enlargement (P < 0.05) and negatively correlated with the maximum tumor diameter (P < 0.05). CONCLUSION: The mammographic features of IBC are correlated with the expression of immunity indices ER, PR, and HER2 and reflect several pathological features.

Analysis of X-ray signs and postoperative pathological features of breast cancer / 上海交通大学学报（医学版）

Objective · To investigate the relationship between the mammographic signs and the pathological features in breast cancer. Methods · From August 2015 to August 2018, 300 patients with primary breast cancer confirmed by operation and pathology in Shanghai First Maternity and Infant Hospital, Tongji University were selected. All patients had mammography before operation. The relation between characteristics of molybdenum target imaging and pathological types were retrospectively analyzed. The correlation between specific imaging signs such as lump, calcification, spiculation sign and important pathological features were further analyzed. Results · Among 300 cases of breast cancer, 251 cases (83.7％) had lumps, of which 183 cases had spiculation sign, and 190 cases had calcification. Besides, 235 cases (78.3％) had calcification; 77 cases (25.7％) had structural disorder with diffuse density; 98 cases (32.7％) had positive signs of vascular symptoms. Lump (95.1％), spiculation sign (82.3％) and calcification (83.7％) were mostly observed in invasive ductal carcinoma. Structural disorder (88.2％) was mostly observed in invasive lobular carcinoma. Calcification (96.1％) and lump (60.8％) were mostly observed in intraductal carcinoma. Calcification (100.0％) was mostly observed in lobular carcinoma in situ. Lump was mostly observed in simple carcinoma, medullary carcinoma and mucinous adenocarcinoma. The positive expression rates of estrogen receptor (ER) and progesterone receptor (PR) were higher in patients with tumor lump＞5 cm than those with tumor lump ≤5 cm, but there were no significant differences (P=0.165, P=0.317). The positive rate of ER was 54.5％ and the positive rate of PR was 60.8％ in patients with calcification, which were lower than those without calcification (P=0.027, P=0.006). The positive rate of PR in patients with spiculation sign was 71.6％, which was higher than those without spiculation sign (P=0.018). But there was no significant difference in the expression of ER in patients with or without spiculation sign (P=0.321). Patients with lumps alone had a lower incidence of lymph node metastasis (29.5％ vs 37.9％, P=0.009), and lower histological grade (P=0.043), in comparison with patients with lumps and calcification. But they had higher ER positive rate (70.5％ vs 57.9％, P=0.033) and PR positive rate (73.8％ vs 65.3％, P=0.014).Conclusion · Breast cancer patients with different pathological types show different signs of mammography which may have certain associations with the expression of immunohistochemical indicators such as ER and PR. Simple lump shadows in mammography may be a predictor in the good prognosis of breast cancer.

Analysis of X-ray signs and postoperative pathological features of breast cancer / 上海交通大学学报（医学版）

Objective • To investigate the relationship between the mammographic signs and the pathological features in breast cancer. Methods • From August 2015 to August 2018, 300 patients with primary breast cancer confirmed by operation and pathology in Shanghai First Maternity and Infant Hospital, Tongji University were selected. All patients had mammography before operation. The relation between characteristics of molybdenum target imaging and pathological types were retrospectively analyzed. The correlation between specific imaging signs such as lump, calcification, spiculation sign and important pathological features were further analyzed. Results • Among 300 cases of breast cancer, 251 cases (83.7%) had lumps, of which 183 cases had spiculation sign, and 190 cases had calcification. Besides, 235 cases (78.3%) had calcification; 77 cases (25.7%) had structural disorder with diffuse density; 98 cases (32.7%) had positive signs of vascular symptoms. Lump (95.1%), spiculation sign (82.3%) and calcification (83.7%) were mostly observed in invasive ductal carcinoma. Structural disorder (88.2%) was mostly observed in invasive lobular carcinoma. Calcification (96.1%) and lump (60.8%) were mostly observed in intraductal carcinoma. Calcification (100.0%) was mostly observed in lobular carcinoma in situ. Lump was mostly observed in simple carcinoma, medullary carcinoma and mucinous adenocarcinoma. The positive expression rates of estrogen receptor (ER) and progesterone receptor (PR) were higher in patients with tumor lump >5 cm than those with tumor lump ≤ 5 cm, but there were no significant differences (P=0.165, P=0.317). The positive rate of ER was 54.5% and the positive rate of PR was 60.8% in patients with calcification, which were lower than those without calcification (P=0.027, P=0.006). The positive rate of PR in patients with spiculation sign was 71.6%, which was higher than those without spiculation sign (P=0.018). But there was no significant difference in the expression of ER in patients with or without spiculation sign (P=0.321). Patients with lumps alone had a lower incidence of lymph node metastasis (29.5% vs 37.9%, P=0.009), and lower histological grade (P=0.043), in comparison with patients with lumps and calcification. But they had higher ER positive rate (70.5% vs 57.9%, P=0.033) and PR positive rate (73.8% vs 65.3%, P=0.014). Conclusion • Breast cancer patients with different pathological types show different signs of mammography which may have certain associations with the expression of immunohistochemical indicators such as ER and PR. Simple lump shadows in mammography may be a predictor in the good prognosis of breast cancer.

Repair of bone defects in rat radii with a composite of allogeneic adipose-derived stem cells and heterogeneous deproteinized bone.

BACKGROUND: In the bone tissue engineering domain, seed cells, scaffold and cell-scaffold composites are three focuses. In this study, the feasibility of using allogeneic adipose-derived stem cells(ADSCs) combined with heterogeneous deproteinized bone (HDB) to repair segmental radial defects was investigated by observing the repair of the defect area. METHODS: ADSCs were cultured in vitro, purified, antigen-detected and osteogenic differentiation potency-measured; then, the ADSCs of the third generation were seeded into HDB to prepare an ADSCs-HDB composite partly with osteogenesis induced cells. Sixty Wistar rats were randomly divided into four groups with 15 in each group. A bone defect (4 mm in length) was created at the left radius in each rat. Two kinds of ADSCs-HDB composites were implanted in the ADSCs osteogenesis group or ADSCs group; HDB was implanted in the negative control group; nothing was filled in the blank control group. The bone defect repair was evaluated by gross observation, molybdenum target X-ray examination and histological analyses after surgery. RESULTS: Gross observation: the bone defect area was completely filled and difficult to recognize in the ADSCs osteogenesis group. The connection of the ADSCs group was strong, but the implants were clearly identifiable. The joints of the negative control group were slightly thick but the connection was unstable. In the blank control group, kermesinus tissue was between the two ends and bones were not connected after 8 weeks. Molybdenum target X-ray examinations: In the ADSCs osteogenesis group, evident bridges in the graft were observed in the defects in the fourth week; the defects were filled with new bone completely and a marrow cavity appeared at 8 weeks. In the ADSCs group, there were some callus formations, but the radial defect was still obvious at 8 weeks. In the negative control group, fracture lines were clear. In the blank control group, no osseous bridges were observed, which resulted in bone nonunion eventually in 8 weeks. There were significant differences in the callus density between experimental groups and the blank control group at 4 and 8 weeks (P < 0.01). Histological measures showed that the rate and quality of the new bone formation and remodelling was significantly different between the experimental and control groups. CONCLUSIONS: A composite of ADSCs-HDB has a strong osteogenic ability. It can repair segmental bone defects well and is promising to serve as grafting material in bone tissue engineering.

The use of sequential X-ray, CT and MRI in the preoperative evaluation of breast-conserving surgery.

The aim of the study was to investigate the value of sequential application of molybdenum target X-ray, multi-slice spiral computed tomography (MSCT) and magnetic resonance imaging (MRI) in the preoperative evaluation of breast-conserving surgeries. In total, 76 patients with indications for breast-conserving surgery due to complicated breast cancer participated in the study and were assigned to either control or observation group (n=38 per group). The patients in the control group were evaluated with two sets of random combinations of molybdenum target X-ray, MSCT or MRI with ultrasound inspection, whereas the patients in the observation group were evaluated by sequential inspection methods of molybdenum target X-ray, MSCT and MRI. A comparison of surgery outcomes, incidence of complications, rate of positive surgical margins, and recurrence and survival rates in the groups during a follow-up period of 24 months was made. Comparisons of the preoperative evaluation results for tumor number, average maximum diameter, number of lymphatic metastatic groups and number of metastatic lymph nodes in the observation group showed the numbers to be significantly higher than those in the control group (P<0.05). Conversely, the comparisons of age, tumor distribution and T-staging yielded no significant differences, validating the analysis. The percentage of successful breast-conserving surgeries in the observation group was significantly higher than that in the control group, while the incidence of complications in the observation group was lower (P<0.05). The rate of positive surgical margins and the recurrence rate of cancer in the observation group were lower than those in the control group, and the survival rate in the observation group was higher, with differences having statistical significance (P<0.05). In conclusion, the sequential application of molybdenum target X-ray, MSCT and MRI during the preoperative evaluation for breast-conserving surgery positively affects the success rate of the procedure improving the diagnostic accuracy and therapeutic effects.

The application of breast blood oxygen functional imaging combined with mammography examination in breast cancer screening / 预防医学

Objective To evaluate the effect of breast blood oxygen functional imaging combined with mammography on breast cancer screening in women aged over 40 years.Methods A total of 10 076 cases of women in our hospital underwent breast blood oxygen functional imaging and mammography X -ray examination.The breast imaging report and data system (BI -RADS)III level of women performed on the biopsy pathology were used as the gold standard.The effect of different inspection methods were compared and analyzed.Results Among 10 076 cases,235 cases were diagnosed as BI -RADS,which was diagnosed by blood oxygen functional imaging system and a molybdenum target X -ray diagnosis of III.Thirteen cases with early breast cancer were diagnosed by needle biopsy.And 222 cases were diagnosed benign lesions.The sensitivity of the blood oxygen functional imaging system was 69.23% (9 /13)and 85.58% (190 /222), respectively.The sensitivity of molybdenum target X -ray was 76.92% (10 /13),and the specificity was 82.88% (184 /222).The sensitivity of combined detection was 100.0% (13 /13)and the specificity was 82.88% (184 /222).The accuracy index of combined molybdenum target X -ray (0.829)was significantly higher than that of single detection (0.548 and 0.598)(U =2.117,2.501,P <0.05).Conclusion Breast blood oxygen functional imaging instrument combined with molybdenum target examination could effectively improve the accuracy of diagnosis in breast cancer screening among women over 40 years.