Objective To investigate the CT manifestations of hepatocellular adenoma,and improve the CT diagnostic accuracy of the disease.Methods CT manifestations of 10 cases with hepatocellular adenoma proved by pathology were analyzed retrospectively.Results On plain CT scan,the lesions were isodensity or slight hypodensity in 10 cases,which was hardly distinguished from the normal tissue.In all 10 cases,the lesions showed marked enhancement in the arterial phase.the mean CT value of hepatocellular adenoma in the arterial phase was much higher than that in portal venous and delay phase.Conclusion CT scan is helpful for the diagnosis of hepatocellular adenoma.

Objective To explore the reliability of assessing the renal damage and prognosis with enhance-lfow (E-Flow) in patients with systemic lupus erythematosus (SLE) by detecting hemodynamics indexes of intrarenal arteries. Methods There were 50 SLE patients who were treated in the Second Hospital Afifliated to Harbin Medical University from May 2012 to March 2013. The 50 SLE patients were divided into 2 groups:28 patients with LN and 22 ones without LN, and 30 healthy persons were served as the control group who were from the health check centre. All patients underwent renal ultrasonic examination, and two-dimensional images were observed. E-Flow technique were used to measure the peak systolic velocity (PSV), end-diastolic velocity (EDV) and vascular resistance indexes (RI) of the segmental, interlobar, arcuate and interlobular arteries. ANOV was used to compare the PSV, EDV and RI of segmental, interlobar, arcuate and interlobular arteries in the three groups, and LSD-t was used to compare the indexes between the two groups. A linear correlation analysis was used to determine the correlation between the RI of the intrarenal arteries in patients with LN and the levels of serum creatinine. Results The two-dimensional images of kidneys in patients without LN were normal. There were 8 cases with renal parenchymal diffused change in patients with LN. The spectrums of interlobular arteries in patients without LN were similar with those of control subjects, and the turgor curve of diastolic phase reduced slightly. The spectrums of interlobular arteries in patients with LN were blunt, with high resistance and hypoperfusion. Compared with the control subjects, PSV of the interlobar, arcuate and interlobular arteries in patients with LN decreased statistically (t=-2.46,-2.40,-3.49, P<0.05 or 0.01). EDV of the intrarenal arteries in patients with or without LN decreased statistically (patients with LN:t=-5.50,-5.95,-5.83,-5.01, all P<0.01;patients without LN:t=-3.41,-3.69,-3.29,-2.49, P<0.05 or 0.01). Compared with patients without LN, PSV and EDV of the arcuate and interlobular arteries in patients with LN all decreased statistically (PSV:t=-2.00,-2.16, both P<0.05;EDV:t=-2.13,-2.16, both P<0.05). Compared with the control subjects, RI of the intrarenal arteries in all SLE patients increased signiifcantly (patients with LN:t=12.78, 13.30, 11.95, 9.52, all P<0.01;patients without LN:t=9.88, 10.05, 8.71, 5.30, all P<0.01). Compared with patients without LN, RI of the the intrarenal arteries in patients with LN increased signiifcantly (t=2.05, 2.38, 2.43, 3.57, P<0.05 or 0.01). There were positive correlations between the RI of the intrarenal arteries in patients with LN and the level of serum creatinine (r=0.684, 0.752, 0.755, 0.851, all P<0.01). Conclusions E-Flow could clearly display the branches of intrarenal arteries and assess the progress and prognosis of the patients with SLE by measuring intrarenal arteries hemodynamics.

Objective To conduct a survey on the prevalence of active pulmonary tuberculosis among 65 year olds or above. Study subjects would include those with characteristics of TB suspicious symptoms,diabetes and close contacts. Methods Purpose-sampling method was applied to choose 3 counties in Shandong province as the study sites,relying on the local basic public health service,for those elderly under 65 years old or above. The study team would introduce the process and contents of this study to the subjects followed by chest X-ray and sputum smears on those registered tuberculosis suspects,patients with diabetes,TB close contacts in the past 2 years,from January to September,2013. Results 82 active pulmonary TB cases were identified among 9 041 cases who received the examination,with a crude prevalence rate as 9.1‰. From patients having both suspicious TB and diabetic symptoms,patients with diabetes or having suspicious symptoms of TB,the prevalence rates of active TB were 115‰,3.4‰,0.9‰respectively. No active pulmonary TB case was found in the TB close contacts,patients with diabetes,or those people with suspicious TB symptoms. TB prevalence rates among all the above mentioned groups were significantly different(χ2=697.478, P=0.000). Prevalence rate of active pulmonary TB with diabetes was 18 times(RR=17.951)higher than those non-diabetic patients,and 2 times higher than those with suspicious symptoms (RR=3.860). Results from single factor analysis showed that diabetes were closely related to the prevalence of pulmonary tuberculosis(χ2=46.637,P=0.000),the longer duration of diabetes and the higher risk of tuberculosis (RR>1). Conclusion Our data showed that active pulmonary TB prevalence was high in elderly diabetes patients which suggesting that‘Key crowd screening program’should be introduced into case-finding strategy on TB,with special focus on TB patients with diabetes or those people having suspicious symptoms of TB.

Objective To analyze the dosimetric features of chest wall radiotherapy after modified radical mastectomy for left breast cancer using the beam’s eye view (BEV) in intensity-modulated radiation therapy (B-IMRT). Methods A total of 13 patients treated with modified radical mastectomy for left breast cancer in the Liaocheng People’s Hospital from May 2020 to November 2020 were recruited. They were treated with postoperative radiotherapy using the plans of B-IMRT or tangential fields in intensity-modulated radiation therapy (T-IMRT). The mean dose, conformity index and homogeneity index of the target field, and dose volume parameters of left lung and heart were compared between two groups. Results Compared with those of T-IMRT group, B-IMRT significantly improved the conformity and homogeneity of the target field (P < 0.05), and their mean dose of target field was similar. In addition, V₅, V₁₀, V₂₀, V₃₀ and D_mean of the left-side lung, and V₅, V₁₀, V₃₀ and D_mean of the heart in B-IMRT group were significantly reduced compared with those of T-IMRT group (P < 0.05). In comparison to those of T-IMRT, B-IMRT decreases V₅, V₁₀, V₂₀, V₃₀ and D_mean of the left-side lung by 9.23%, 13.29%, 9.54%, 8.28% and 10.35%, respectively, which decreases V₅, V₁₀, V₃₀ and D_mean of the heart by 27.62%, 29.72%, 21.45% and 24.88%, respectively. Conclusion Compared with T-IMRT planning, B-IMRT presents dosimetric advantages in the conformity and homogeneity of the target field in the postoperative radiotherapy of patients treated with modified radical mastectomy for left breast cancer, especially in reducing the radiation dose and volume of the heart and lungs.

Objective:To explore the accuracy of array comparative genomic hybridization(aCGH) in the unexpected detection of Duchenne muscular dystrophy ( DMD) gene duplication/deletion in prenatal diagnosis. Methods:A retrospective analysis was performed on 31 cases with DMD gene duplication/deletion detected by aCGH among 5 025 prenatal diagnosis samples without family history of DMD in Henan Provincial People's Hospital from July 2018 to December 2019. The multiplex ligation-dependent probe amplification (MLPA) method was used to verify the above results. The American College of Medical Genetics and Genomics (ACMG) guideline was referred for pathogenicity analysis of the detected duplicates/deletions. Descriptive analysis was adopted in analysis. Results:The total unexpected DMD gene duplication/deletion rate was 0.62% (31/5 025), among which 25 cases were with microduplication/microdeletion ≤ 200 kb and six were >200 kb; there were 24 cases of deletion, seven cases of duplication; exon or intron duplication/deletion were accounted for 19 and 12 cases, respectively. According to the five classification standards of ACMG guideline, there were 17 cases with pathogenic variants and 14 cases with uncertain pathogenicity/likely benign variants. Of the 19 with exon mutations, 17 cases were DMD intragenic variants, and two cases involved variants in and outside DMD gene, which were verified by MLPA whose results were all positive. Conclusions:The duplication/deletion of exon region of DMD gene detected by aCGH technique is accurate and reliable, which plays an important role in the diagnosis of DMD. For these cases involved both internal and external regions of DMD gene, aCGH can identify the upstream and downstream breaking points of DMD gene, thus providing the basis for ACMG grading.

OBJECTIVE: To explore the genetic basis for a Chinese pedigree affected with mental retardation. METHODS: G-banded karyotyping analysis and single nucleotide polymorphism microarray (SNP array) were used to detect the genetic variants within the family, and the origin of the variants was analyzed using UPDtool Statistics software. RESULTS: The patient, a 26-year-old female, was found to have a chromosomal karyotype of 46,XX,dup(4)(q28.2q31.3),and SNP array revealed a 25.71 Mb duplication at 4q28.2-q31.3. The duplication was inherited from her father, and her fetus was found to carry the same duplication. CONCLUSION The duplication of the patient probably underlay the mental retardation. The gender of the carrier and parental origin of the duplication might have led to the variation in their clinical phenotype.
Adult ; Chromosome Banding ; Female ; Genetic Testing ; Humans ; Karyotyping ; Male ; Pedigree ; Trisomy/genetics*

OBJECTIVETo conduct a survey on the prevalence of active pulmonary tuberculosis among 65 year olds or above. Study subjects would include those with characteristics of TB suspicious symptoms, diabetes and close contacts.

METHODSPurpose-sampling method was applied to choose 3 counties in Shandong province as the study sites, relying on the local basic public health service, for those elderly under 65 years old or above. The study team would introduce the process and contents of this study to the subjects followed by chest X-ray and sputum smears on those registered tuberculosis suspects, patients with diabetes, TB close contacts in the past 2 years, from January to September, 2013.

RESULTS82 active pulmonary TB cases were identified among 9 041 cases who received the examination, with a crude prevalence rate as 9.1‰. From patients having both suspicious TB and diabetic symptoms, patients with diabetes or having suspicious symptoms of TB, the prevalence rates of active TB were 115‰, 3.4‰, 0.9‰ respectively. No active pulmonary TB case was found in the TB close contacts, patients with diabetes, or those people with suspicious TB symptoms. TB prevalence rates among all the above mentioned groups were significantly different (χ(2) = 697.478, P = 0.000). Prevalence rate of active pulmonary TB with diabetes was 18 times (RR = 17.951) higher than those non-diabetic patients, and 2 times higher than those with suspicious symptoms (RR = 3.860). Results from single factor analysis showed that diabetes were closely related to the prevalence of pulmonary tuberculosis(χ(2) = 46.637, P = 0.000), the longer duration of diabetes and the higher risk of tuberculosis(RR > 1).

CONCLUSIONOur data showed that active pulmonary TB prevalence was high in elderly diabetes patients which suggesting that 'Key crowd screening program' should be introduced into case-finding strategy on TB, with special focus on TB patients with diabetes or those people having suspicious symptoms of TB.

Aged ; Aged, 80 and over ; China ; epidemiology ; Cross-Sectional Studies ; Female ; Humans ; Male ; Prevalence ; Tuberculosis ; epidemiology