Thyroid cancer is one of the most common malignant tumors in the human endocrine system . It is one of the common diseases in head and neck ,thyroid and breast surgery .Its incidence rate is increasing year by year .With the development of ultrasonography and fine needle aspiration biopsy ,as well as the auxiliary exami-nation of gene detection technology ,the detective rate of early diagnosis of papillary thyroid microcarcinoma ( PT-MC) is getting higher and higher .Compared with conventional surgery , highlighting the advantages of minimally invasive surgery , endoscopic and ultrasound guided percutaneous ablation and other new surgical methods are gradually applied in clinical treatment .Combined with the new guideline ,the present paper reviews the progress in the diagnosis and treatment of papillary thyroid microcarcinoma .

In order to explore the effect of internet of things on the management of cardiac rehabilitation /secondary prevention in patients with myocardial infarction .This article first introduces briefly about the impact and the development of cardiac rehabilita -tion/secondary prevention;then discusss in detail about its current status and limitation between at home and abroad ;meanwhile intro-duces the necessity and prospect of internet of things applied in cardiac rehabilitation /secondary prevention .

Objective To investigate the feasibility of breast conservative surgery for large breast carcinoma(over 3 cm in diameter)after neoadjuvant chemotherapy.Methods A total of 24 patients with breast carcinoma larger than 3 cm in diameter underwent core needle biopsy and neoadjuvant chemotherapy with paclitaxel and/or epirubicin in our hospital from June 2003 to September 2006.The chemotherapy was carried out for 2 to 4 cycles,and then breast conservative surgery was performed in 7 to 10 days.Results After the neoadjuvant chemotherapy,3(12.5%)patients achieved CR,and 21(87.5%)had PR.Pathological CR was detected in 2(8.3%)of the patients.The breast conservative surgery was completed in 14 cases(58.3%),10 patients were converted to modified radical resection.The patients was followed up for 5 to 44 months with a median of 24,during which none of them had recurrence or distant metastasis.Conclusions For patients with large breast carcinoma,breast conservative surgery is feasible after neoadjuvant chemotherapy.

Objective To study the value of sentinel lymph node (SLN) for forecasting axillary lymph node metastasis in breast cancer. Methods Fifty-six patients with breast cancer underwent SLN methylene blue mapping and biopsy,as well as axillary lymph node dissection.All lymph nodes received routine HE staining and immunohistochemical examination. Results SLN was successfully identified in 52 cases (52/56,92.8%).Routine pathological examination demonstrated metastasis of SLN in 22 cases and metastasis of non-SLN in 1 case,the false negative rate being 4 3% (1/23).In the remaining 29 cases without pathologically verified metastasis,immunohistochemical staining showed 1 case of CK-19 (+) with EMA (+) and another 1 case of CK-19 (+) with CEA (+),without metastasis of non-SLN. Conclusions SLN methylene blue mapping and biopsy may forecast axillary lymph node metastasis in breast cancer.

Objective To compare the body fluid count results detected by Sysmex XE-5000 automatic blood cell analyzer and manual method .Methods A total of 300 cases of body fluid specimens (including cerebrospinal fluid and fluid of serous cavity ) were analyzed .RBC ,WBC counting and classification were respectively detected by XE-5000 and manual method of improvement Neubauer counting plate .Results The fresh specimens without contain a large number of cell clusters ,which RBC counts(RBC-BF)(100-10 000)× 106/L ,and WBC counts(WBC-BF) (9-50)× 106/L ,showed there were a linear relationship between the in-strument method(r=0 .998 5 ,0 .986 3) .In the range ,there was no significant difference between XE-5000 and manual method(t=9 .96 ,P>0 .05) .Also in this range the results of instrument correlated with those of manual method(r= 0 .989 3 ,0 .971 7 , 0 .924 9) .For those specimens which contain a large number of cell clusters ,RBC-BF and WBC-BF were a badly linear relationship between the instrument method(r=0 .564 8 ,0 .456 1) .Conclusion Body fluid specimens which are fresh and do not contain a large number of cell clusters ,in the range of RBC-BF (100 -10 000) × 106/L ,WBC-BF (9 -50) × 106/L ,Sysmex XE-5000 automatic blood cell analyzer could ensure the results have good accuracy .

Objective To explore the anti-aging mechanisms of Rhizoma Polygonati Odorati(RPO)and its anti-aging active components.Methods After drenching extracts of RPO for 56 days,the behavioral indexes of memory,learning and tolerance,changes of immune organs of spleen and thymus gland,testis index,plasma superoxide dismutase(SOD) activity,hepatic malondialdehyde(MDA)content were observed in D-galactose-induced suhacute senile mice model. Results Aqueous extract shows a trend of improving the memory and learning abilities,and can increase the tolerance of aging-model mice,prevent the atrophy of thymus gland and testis,enhance the activity of SOD and reduce the content of MDA.Conclusion Aqueous extract of RPO may be the anti-aging active components in RPO,and its mechanism may be concerned with the increase of immune function,prevention of the atrophy of genitical glands,counteraction of oxidation,clearance of free radicals and prevention of senile dementia.

Objective To investigate the characteristic of etiology of chronic cough in Shenzhen.Methods The chronic cough etiology was analyzed in 136 cases with the guidance of cough diagnosis and treatment guidelines(2009 editions)published by Chinese Medical Association.The cough was the main or sole symptom,the duration was no less than 8 weeks and chest X-ray film was normal.Results The causes of chronic cough was confirmed in 125 patients and was not definitely diagnosed in 11 patients by inspection and treatment.Cough due to single cause was found in 104 patients(83.20%,104/125),due to compound causes was found in 21 patients(16.80%,21/125).The first 4 etiologies were cough variant asthma(CVA)with 57 patients(36.31%,57/157),upper airway cough syndrome(UACS)with 41 patients(26.11%,41/157),eosinophilic bronchitis(EB)with 17 patients(10.83%,17/157),occupational injury(including harmful,toxic substances inhalation,etc.)with 10 patients(6.37%,10/157).Conclusions The most common cause of chronic cough in Shenzhen is CVA,UACS,EB.Due to the developed industrialization,there is a lack of understanding the cough course of inhaling more harmful and toxic gases and substances in the manufacturing process.So this should be paid more attention.

OBJECTIVE:To observe the effect of different polarity of components of Rhizoma Polygonati Odovati on the spleen and thymus gland in D-galactose-induced aging-model mice so as to establish the anti-aging mechanism and anti-aging active components of Rhizoma Polygonati Odovati.METHODS:Different polarity of extracts of Rhizoma Polygonati Odovati were extracted respectively with benzin petroleum,acetic ether,dehydrated alcohol,80% ethanol,and water as extract solvents.The model mice were intragastrically administered with different polarity of components of Rhizoma Polygonati Odovati for 56 consecutive days,and the effects of each extractive on the indexes and pathological change of immune organ D-galactose-induced aging-model mice were monitored.RESULTS:Compared with each other extractive,aqueous extract of Rhizoma Polygonati Odovati can prevent the atrophy of thymus and spleen,and ameliorate the patho-constitution of spleen and thymus gland.CONCLUSION:Aqueous extract of Rhizoma Polygonati Odovati maybe the anti-aging active components in Rhizoma Polygonati Odovati,and its mechanism maybe related to its function to prevent the atrophy of immune organs and improve the immune function.

Objective To observe the morphologic changes of pancreatic islets in diabetic rats and the protective effects of rosiglitazone natrium (RSG) on the remnant islet.Methods 8 rats were randomly selected from 68 male Sprague-Dawley rats for normal control group (group A),the rest were administered with STZ,and those with FBG≥16.7mmol/L were served as diabetic models,then the rats were randomly assigned as RSG-treated group (group B,n=24).RSG were applied via intragastric administration at a dose of 5mg/(kg·d) in group B.72 hours after the administration of STZ and 1-,2-,4 and 7 week after the administration of RSG,4 rats were randomly selected respectively,pancreas specimens were obtained and preserved.The morphologie changes were observed under light microscopes and transmission electron microscope.Results The diabetic symptoms of the rats in groupe B lessened significantly,and the FBG levels were decreased gradually,the morphologic injuries of remnant islet were recovering. The amount of secretory granule in beta cells increased gradually.Conclusion Rosiglitazone natrium call attenuate morphologic injuries of the islets and protect the remnant islet in type 1 diabetes mellilus rats.

Objective To explore the effects of atorvastatin and valsartan on high glucose-induced human umbilical vein endothelial cells (HUVECs) injury.Methods Cultured HUVECs were divided and assigned to 9 groups:normal control group,mannitol control group,high glucose group,low dose atorvastatin group (0.1 μ mol/L),medium dose atorvastatin group (1 μmol/L),high dose atorvastatin group (10 μ mol/L),low dose valsartan group (0.1 μmol/L),medium dose valsartan group (1 μmol/L),and high dose valsartan group (10 μmol/L).H UVECs were pretreated with or without 30 mmol/L glucose plus various concentrations of atorvastatin and valsartan (0.1,1,10 μmol/L) for 16 hours and then incubated with 5.5 mmol/L glucose for 6 days.The levels of vascular cell adhesion molecule 1 (VCAM-1),monocyte chemotactic protein 1 (MCP-1),and plasminogen activator inhibitor 1 (PAI-1) in the culture supernatant were measured by enzyme-linked immunosorbent assay.Results Compared with normal glucose group,hyperglycemia memory increased the levels of VCAM-1,MCP-1,and PAI-1 (all P＜0.05),which were still maintained at high levels even after withdrawal of high glucose.Atorvastatin and valsartan treatment decreased the levels of VCAM-1,MCP-1,and PAI-1 (all P＜0.05).Conclusion Atorvastatin and valsartan may lower the secretion of VCAM-1,MCP-1,and PAI-1,and prevent high glucose memory-induced injury to endothelial cell.