scholarly journals Assessment of the Relationship between the Maxillary Sinus and the Canine Root tip using Cone Beam Computed Tomography

2021 ◽  
Author(s):  
Leila Khojastepour ◽  
Najmeh Movahhedian ◽  
Mohadeseh Zolghadrpour
Keyword(s):  
Maxillary Sinus ◽  
Age Groups ◽  
Older Age ◽  
Anterior Region ◽  
Cone Beam ◽  
Type I ◽  
Age Group ◽  
Vertical Distance ◽  
Significant Difference ◽  
Maxillary Sinuses

Abstract Background: The purpose of the present study is to investigate the frequency and amount of extension of the maxillary sinus to the anterior region and to evaluate the vertical distance between the maxillary sinus floor and canine apices.Methods: Cone beam computed tomographic images of 300 individuals (154 males and 146 females) over 20 years (with mean age of 35.12 ± 8.40 years) were evaluated. The subjects were categorized into three age groups (20-30, 30-40 and 40-50 years). When maxillary sinus extended to the canine area, the vertical distance between them were recorded and their relationship were classified into three types: I (> 2 mm distance), II (2 mm < distance or in-contact) and III (interlock). Results: 413 out of 600 maxillary sinuses (68.8%) were extended into the canine area or beyond. Among them, 15 maxillary sinuses pneumatized into the incisor area (2.5%). The prevalence of the maxillary sinuses extended to the anterior region of the jaw was not significantly different between genders, but it was significantly less frequent in older age group and more frequent in the left side. The mean amount of anterior extension of maxillary sinus (mm) was significantly lower in older age group. Type I was the most frequent vertical relationship between the maxillary sinuses and canine apices with no significant difference in gender, side and age groups.Conclusions: Most of the maxillary sinuses extended to the canine area. Maxillary sinus extended into incisor area with the frequency of 2.5% . The amount of extension of the maxillary sinus to the anterior region and its vertical distance with canine apices decreased in older age group.

scholarly journals Assessment of the relationship between the maxillary sinus and the canine root tip using cone beam computed tomography

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Leila Khojastepour ◽  
Najmeh Movahhedian ◽  
Mohadeseh Zolghadrpour ◽  
Mohammad Mahjoori-Ghasrodashti
Keyword(s):  
Maxillary Sinus ◽  
Age Groups ◽  
Older Age ◽  
Anterior Region ◽  
Cone Beam ◽  
Type I ◽  
Age Group ◽  
Significant Difference ◽  
The Relationship ◽  
Maxillary Sinuses

Abstract Background The purpose of the present study is to investigate the relationship between the maxillary sinus and the canine root apices in cone beam computed tomographic images (CBCT) and to assess the amount of extension of the maxillary sinus to the anterior region of the jaw in different sexes and age groups. Methods CBCT of 300 individuals (154 males and 146 females) over 20 years (with a mean age of 35.12 ± 8.40 years) were evaluated. The subjects were categorized into three age groups (20–30, 30–40, and 40–50 years). When the maxillary sinus extended to the canine area, the vertical distance between them was measured, and their relationship was classified into three types: I (more than 2 mm distance), II (less than 2 mm distance or in-contact), and III (interlock). Results 413 out of 600 maxillary sinuses (68.8%) were extended into the canine area or beyond. Among them, 15 maxillary sinuses pneumatized into the incisor area (2.5%). The prevalence of the maxillary sinuses extended to the anterior region of the jaw was not significantly different between genders. However, it was significantly less frequent in the older age group and more frequent on the left side. In addition, the mean amount of anterior extension of the maxillary sinus (mm) was significantly lower in the older age group. Type I was the most frequent vertical relationship between the maxillary sinuses and canine apices with no significant difference in gender, side, and age groups. Conclusions In most cases, the maxillary sinus extended to the canine area and sometimes reached the incisor region. This necessitates paying more attention to the maxillary anterior sextant during surgical procedures.

scholarly journals Efficacy of passive helmet therapy for deformational plagiocephaly: report of 1050 cases

2013 ◽  
Vol 35 (4) ◽  
pp. E4 ◽  
Author(s):  
Daniel E. Couture ◽  
John C. Crantford ◽  
Aravind Somasundaram ◽  
Claire Sanger ◽  
Anne E. Argenta ◽  
...  
Keyword(s):  
Classification System ◽  
Deformity Correction ◽  
Older Age ◽  
Type I ◽  
Age Group ◽  
Type Ii ◽  
Deformational Plagiocephaly ◽  
Pressure Therapy ◽  
Helmet Therapy ◽  
Significant Difference

Object There has been a tremendous increase in the incidence of deformational plagiocephaly in children throughout the world. Therapeutic options include observation, active counterpositioning, external orthotics, and surgery. The current treatment in the US is highly debated, but it typically includes external orthotic helmets in patients with moderate to severe plagiocephaly presenting between 4 and 10 months of age or in children with significant comorbidities limiting passive (no-pressure) therapy. The present study was designed to evaluate 3 key issues: 1) the accuracy of the Argenta classification in defining a progressive degree of severity, 2) identification of an upper age limit when treatment is no longer effective, and 3) the effectiveness of an off-the-shelf prefabricated helmet in correcting deformational plagiocephaly. Methods An institutional review board–approved retrospective study was conducted of all patients at the authors' clinic in whom deformational plagiocephaly was assessed using the Argenta classification system over a 6-year period; the patients underwent helmet therapy, and a minimum of 3 clinic visits were recorded. Inclusion criteria consisted of an Argenta Type II–V plagiocephalic deformity. Patients' conditions were categorized both by severity of the deformity and by patients' age at presentation. Statistical analysis was conducted using survival analysis. Results There were 1050 patients included in the study. Patients with Type III, IV, and V plagiocephaly required progressively longer for deformity correction to be achieved than patients with Type II plagiocephaly (53%, 75%, and 81% longer, respectively [p < 0.0001]). This finding verified that the Argenta stratification indicated a progressive severity of deformity. No statistically significant difference in the time to correction was noted among the different age categories, which suggests that the previously held upper time limit for correction may be inaccurate. An overall correction rate to Type I plagiocephaly of 81.6% was achieved irrespective of severity and degree of the original deformity. This suggests that an inexpensive off-the-shelf molding helmet is highly effective and that expensive custom-fitted orthoses may not be necessary. The patients in the older age group (> 12 months) did not have a statistically significant longer interval to correction than the patients in the youngest age group (< 3 months). The mean length of follow-up was 6.3 months. Conclusions Patients treated with passive helmet therapy in the older age group (> 12 months) had an improvement in skull shape within the same treatment interval as the patients in the younger age group (< 3 months). This study supports the use of passive helmet therapy for improvement in deformational plagiocephaly in infants from birth to 18 months of age and verifies the stratification of degree of deformity used in the Argenta classification system.

scholarly journals Mandibular Canal Location and Cortical Bone Thickness in Males and Females of Different Age Groups: A Cone-beam Computed Tomography Study

2021 ◽  
Vol 9 (A) ◽  
pp. 1117-1122
Author(s):  
Sherif Shafik El-Bahnasy ◽  
Magdy Youakim ◽  
Mohamed Shamel ◽  
Hisham El Sheikh
Keyword(s):  
Computed Tomography ◽  
Cone Beam Computed Tomography ◽  
Age Groups ◽  
Mandibular Canal ◽  
Cone Beam ◽  
Age Group ◽  
Bone Thickness ◽  
Significant Difference ◽  
Computed Tomography Scans ◽  
The Mean

AIM: The purpose of the study was to measure and compare the prevalence of mandibular canal (MC) location variations in regard to mandibular first molars in both genders at different age groups. METHODS: A retrospective study was performed on 80 cone-beam computed tomography scans. Distance between MC and apical apices of first molars, buccal and lingual cortical plates was measured in both sides. RESULTS: 80 scans with 160 sides were analyzed. Distances was measured bilaterally for all scans with mean (5.22 ± 0.77) in men versus (4.1 ± 0.7) in women at group age 31–40 apical to apices of first molars. The mean was (3.77 ± 0.62) in men versus (2.81 ± 0.47) in women at same age group at buccal side, lingually the mean was (4.02 ± 0.67) in men versus (3.67 ± 0.26) in women in the same age group. CONCLUSION: Our study showed that there were decrease in measurements in older age group in both genders and in female groups more than male groups but with no statistical significant difference.

scholarly journals Analysis of the frequency of maxillary sinus pathology among male and female adults

2021 ◽  
Vol 11 (8) ◽  
Author(s):  
M. Cherkes ◽  
V. Student ◽  
Z. Masna ◽  
K. Ivasivka ◽  
Kh. Rudnytska
Keyword(s):  
Maxillary Sinus ◽  
Clinical Problem ◽  
Cone Beam ◽  
Age Group ◽  
Test Results ◽  
Male And Female ◽  
Odontogenic Origin ◽  
Maxillary Sinus Pathology ◽  
Different Origin ◽  
Maxillary Sinuses

The maxillary sinuses diseases are an actual clinical problem today. The aim of our study was to determine the frequency of pathology of the maxillary sinuses of different origin and its age dynamics in adults. 500 series of anonymized tomograms of adults were analyzed: 22-35 years (1st group) and 36-60 years (2nd group in men) and 36-55 years (2nd group in women). Cone-beam computed tomography (CT) of the nose, paranasal sinuses, and upper jaw was performed on a Point 3D Combi 500 cone-beam tomograph. RealScan software was used to analyze the test results. The results of the study showed that among the adults who applied for examination of the maxillary sinus, only 20% had no pathology. Patients of the first age group are most often diagnosed with pathological changes of the maxillary sinus, which have a rhinogenic origin. In persons of the second age group, regardless of gender, the pathology of the maxillary sinus of odontogenic origin is most often diagnosed. With age, the number of pathologies of odontogenic origin increase both in men and in women, and the number of pathologies of other origin, including rhinogenic - decreases.

scholarly journals Age-Related Differences in the Informational Experiences and Needs of Patients with Lymphoma: Results from the 2020 Lymphoma Coalition Global Patient Survey

Blood ◽  
2021 ◽  
Vol 138 (Supplement 1) ◽  
pp. 1929-1929
Author(s):  
Olufunmilayo A Bamigbola ◽  
Lorna E Warwick
Keyword(s):  
Information Needs ◽  
Medical Information ◽  
Age Groups ◽  
Older Age ◽  
Age Group ◽  
Younger Patients ◽  
Amount Of Information ◽  
Age Related ◽  
Younger Age ◽  
Significant Difference

Abstract Background Lymphomas can occur in all age groups but most commonly occur in older adults. Despite the shift towards patient- centered care, very little has been done to explore the information needs of patients with lymphoma by age. It is important for information to accessible to patients of all ages, as informed patients are consistently associated with better outcomes and healthcare experiences. In this study, Lymphoma Coalition (LC) describes the age-related differences in the information needs of patients with lymphoma using the 2020 LC Global Patient Survey (GPS). The objectives of this study were to identify: 1) how patients felt about the amount of information they received at diagnosis 2) the content of the information received at diagnosis and the level of understanding, and 3) their informational needs. Methods Globally, 11,878 respondents including 9,179 patients and 2,699 caregivers took part in the 2020 LC GPS. There were 9,078 patients included in this analysis who self-identified their age. These patients were grouped into five age groups for analysis: 18-29 (n=638), 30-39 (n=1,196), 40-59 (n=3,261), 60-69 (n=2,216), and 70+ (n=1,767). Demographics of the five age groups were examined, and descriptive analyses for all questions relating to information needs were performed in IBM SPSS v27. Results The five age groups differed significantly (p&lt; 0.001) in all the demographic categories examined. These categories included lymphoma subtype, sex, area of residence, education level, employment status, and household status. Patients were asked how they felt about the amount of information given to them at diagnosis. The oldest age group (70+) reported the highest prevalence (70%) of having received the right amount of information (Table 1). The younger age groups (18-29; 30-39; and 40-59) reported the highest prevalence of not receiving enough information (38%, 42%, and 41% respectively). Although not many patients reported being given too much information, of those who did, the younger age groups (18-29; 30-39; and 40-59) were the most prevalent (10%; 7%; and 5% respectively) (Table 1). Patients were asked about the type of information given to them at diagnosis, and how well they understood it. Compared to the younger age groups, the older age groups (60-69 and 70+) more frequently reported that they received and understood information given to them on different medical treatment options, the process and stages of their care, and how to manage side effects of treatment (Table 1). Patients were also asked what they needed more information about (Table 1). The top three areas that all patients needed more information about (regardless of age group) were treatment options, side effects from treatment, and their diagnosis and what it means. There was significant difference in the prevalence of how these information needs were reported between the age groups (Table 1). There was also significant difference in the prevalence of reporting a need for more information on support for self care, psychological support/counselling, and fertility across the age categories (Table 1). The lowest prevalence for needing more information in any of these areas was observed in the older age groups (60-69 and 70+), while the highest prevalence was observed in the youngest age groups (18-29 and 30-39) (Table 1). Although few patients reported not needing more information in any of these areas, its reporting was most prevalent in the older age groups (60-69 and 70+) (12% and 19%, respectively) (Table 1). Summary/Conclusions This analysis revealed that patients with lymphoma/CLL experience medical information differently across age groups. Compared to the mid and oldest patient groups, younger patients with lymphoma or CLL reported experiencing medical information differently than older patients do and reported less understanding of the medical information given to them. The younger patients also reported higher informational needs about their disease and treatment that may also be related to their age (e.g. information on fertility and family support). Clinicians should note these differences in age-group experiences and information needs, with the understanding that younger patients with lymphoma or CLL may require additional information, attention, and support. In the future, LC would like to explore how demographic differences may have confounded results. Figure 1 Figure 1. Disclosures No relevant conflicts of interest to declare.

scholarly journals Corneal Astigmatism Changes After Ptosis Correction in Two Age Groups of Patients with Congenital Ptosis

2021 ◽  
Author(s):  
Apatsa Lekskul ◽  
Tunyarat Tangphikunatam ◽  
Phantaraporn Tangtammaruk
Keyword(s):  
Refractive Error ◽  
Age Groups ◽  
Older Age ◽  
Corneal Astigmatism ◽  
Early Age ◽  
Age Group ◽  
Congenital Ptosis ◽  
Significant Difference ◽  
Group Rate ◽  
Two Age Groups

Abstract Purpose: To evaluate postoperative corneal astigmatism changes after ptosis correction in groups of young and older patients with congenital ptosis.Patients and Methods: A prospective cohort study of 28 patients (56 eyes) with congenital ptosis enrolled at Ramathibodi Hospital was performed from April 2018 to June 2019. Within this group of patients there were 6 cases of bilateral congenital ptosis and 22 unilateral cases of congenital ptosis forming a total of 34 individual ptotic eyes for the study. The patients were categorized into two groups: early-age group (aged ≤5 years,) comprising of 14 eyes and older-age group (aged >5 years) comprising of 20 eyes. The preoperative visual acuity, amblyopic status, ptosis severity, and refractive error of both groups were evaluated prior to ptosis correction. All patients underwent ptosis correction with either levator resection or frontalis sling. Following the correction, the refractive error was measured after a follow-up period of at least 6 months. The astigmatism results were classified into three subgroups: with-the-rule, against-the-rule and oblique astigmatism.Results: The mean age at diagnosis was 8.91 ± 7.05 years. From the study group, amblyopia was found in 13 out of 28 patients (46.4%). The most common type of astigmatism was with-the-rule astigmatism, making up 24 out of 34 ptotic eyes (70.6%). A postoperative astigmatism change of >0.50 diopters was found in 4 out of14 eyes (28.6%) in the early-age group and in 6 out of 20 eyes (30.0%) in the older-age group (Rate ratio, 1.43; 95% CI, 0.34–6.07). Conclusion: Astigmatism was reduced following ptosis correction, with no statistically significant difference in the amount of reduction between the two age groups. As there is no significant difference, surgical correction can be deferred in patients of all age groups with anisometropic amblyogenic ptosis until appropriate surgical planning is possible.

scholarly journals Three-Dimensional Evaluation of Maxillary Sinus Changes in Growing Subjects: A Retrospective Cross-Sectional Study

Materials ◽  
2020 ◽  
Vol 13 (4) ◽  
pp. 1007 ◽  
Author(s):  
Cinzia Maspero ◽  
Marco Farronato ◽  
Francesca Bellincioni ◽  
Alessandro Annibale ◽  
Jacopo Machetti ◽  
...  
Keyword(s):  
Maxillary Sinus ◽  
Intraclass Correlation ◽  
Age Groups ◽  
Wilcoxon Test ◽  
Pairwise Comparisons ◽  
Age Group ◽  
Male And Female ◽  
Statistical Significant Difference ◽  
Significant Difference ◽  
Female Subjects

This study aims to evaluate changes of maxillary sinuses in growing subjects. Cone Beam Computed Tomography (CBCT) scans of 146 patients were divided according to gender and age (6–8, 9–11, 12–14 years old). Left, right and total maxillary sinus volume (MSV-R, MSV-L, MSV-Tot) and surface (MSS-R, MSS-L, MSS-Tot), left and right linear maximum width (LMW-L, LMW-R), depth (LMD-R, LMD-L) and height (LMH-R, LMH-R) were calculated using Mimics Research 22. Kruskal–Wallis Test and showed a statistically significant increase in both genders for all variables. Pairwise comparisons in females are always statistically significant in: LMH-R, LMH-R, MSS-Tot, MSV-Tot. All other variables showed a statistical significant increase between 9–11 and 12–14, and between 6–8 and 12–14 age groups, apart from LMSW-R, LMSW-L, LMSD-R, LMSD-L between 6–8 and 12–14 age groups. Pairwise comparisons in males are always and only statistically significant between 9–11 and 12–14, and between 6–8 and 12–14 groups. Symmetrical measurements (right and left) evaluated using Wilcoxon test retrieved no statistical significant difference. Comparisons between measurements on male and female subjects using Mann–Whitney test showed a statistical significant difference in 6–8 years group in MSV-R, MSV-L and MSV-Tot, and in 12–14 age group in MSV-R, MSV-L, MSV-Tot, MSS-r, MSS-l, MSS-Tot, MSW-R, MSW-L, MSD-R, MSD-L. Intraclass Correlation Coefficient (ICC) assessing inter-operator and intra-operator concordance retrieved excellent results for all variables. It appears that maxillary sinus growth resembles the differential peak of growth in male and female subjects. Sinuses starts to develop early in female subjects. However, in the first and last age group female sinuses are statistically significantly smaller compared to male ones. In male subjects, sinus growth occurs mainly between the second and third age group whilst in female subjects it starts between the first and second age group and continues between the second and the last. Sinus has a vertical development during the peak of growth, which is the main reason for its increase in volume.

scholarly journals Evaluating Endoscopic Ipsilateral Endonasal Corridor Approaches to the Anterolateral Wall of the Maxillary Sinus: A Computerized Tomography Study

2021 ◽  
Author(s):  
Navarat Vatcharayothin ◽  
Pornthep Kasemsiri ◽  
Sanguansak Thanaviratananich ◽  
Cattleya Thongrong
Keyword(s):  
Confidence Interval ◽  
Maxillary Sinus ◽  
Inferior Turbinate ◽  
Radial Access ◽  
Sinus Wall ◽  
Nasal Floor ◽  
Significant Difference ◽  
Anterolateral Wall ◽  
The Mean ◽  
Maxillary Sinuses

Abstract Introduction The endoscopic access to lesions in the anterolateral wall of the maxillary sinus is a challenging issue; therefore, the evaluation of access should be performed. Objective To assess the accessibility of three endoscopic ipsilateral endonasal corridors. Methods Three corridors were created in each of the 30 maxillary sinuses from 19 head cadavers. Accessing the anterolateral wall of the maxillary sinus was documented with a straight stereotactic navigator probe at the level of the nasal floor and of the axilla of the inferior turbinate. Results At level of the nasal floor, the prelacrimal approach, the modified endoscopic Denker approach, and the endoscopic Denker approach allowed mean radial access to the anterolateral maxillary sinus wall of 42.6 ± 7.3 (95% confidence interval [CI]: 39.9–45.3), 56.0 ± 6.1 (95%CI: 53.7–58.3), and 60.1 ± 6.2 (95%CI: 57.8–62.4), respectively. Furthermore, these approaches provided more lateral access to the maxillary sinus at the level of the axilla of the inferior turbinate, with mean radial access of 45.8 ± 6.9 (95%CI: 43.3–48.4) for the prelacrimal approach, 59.8 ± 4.7 (95% CI:58.1–61.6) for the modified endoscopic Denker approach, and 63.6 ± 5.5 (95%CI: 61.6–65.7) for the endoscopic Denker approach. The mean radial access in each corridor, either at the level of the nasal floor or the axilla of the inferior turbinate, showed a statistically significant difference in all comparison approaches (p < 0.05). Conclusions The prelacrimal approach provided a narrow radial access, which allows access to anteromedial lesions of the maxillary sinus, whereas the modified endoscopic Denker and the endoscopic Denker approaches provided more lateral radial access and improved operational feasibility on far anterolateral maxillary sinus lesions.

scholarly journals Characteristics of Helicobacter pylori infection in a National Referral Hospital in Bhutan

2020 ◽  
Vol 6 (1) ◽  
pp. 6-10
Author(s):  
Chhabi Lal Adhikari ◽  
Guru Prasad Dhakal ◽  
Nongluck Suwisith ◽  
Sonam Dargay ◽  
Krishna P Sharma
Keyword(s):  
Gastric Cancer ◽  
Helicobacter Pylori ◽  
Age Groups ◽  
Referral Hospital ◽  
Upper Gastrointestinal Endoscopy ◽  
Age Group ◽  
Exact Test ◽  
Significant Difference ◽  
H Pylori ◽  
National Referral Hospital

Introduction: Helicobacter pylori (H. pylori) is a bacterium causing chronic gastric infection and may cause gastric cancer. It was necessary to see the trend of infection, especially in symptomatic patients. This retrospective descriptive study was aimed to describe the characteristics of H. pylori infection in Bhutanese patients referred for an endoscopy to the National Referral Hospital, Thimphu. Methods: The sample of the study was randomized 380 medical records of the patients who underwent upper gastrointestinal endoscopy and Rapid Urea Test for symptomatic dyspepsia and peptic ulcer. Data was collected using a survey form designed by the researchers. Data analysis was done using descriptive statistics and either Chi-square or Fisher’s exact test. Results: The prevalence of H. pylori infection was very high (76.6%). The mean age of the infection was 42 with a range from 15 to 84 years. The highest prevalence of infection was observed in the age group 20-29 years (82.7%) and lowest in the oldest age group 70-84 years (66.7%). The analysis showed no significant difference in infection amongst age groups, gender, and endoscopic findings to the positive results at 5% significant level except for monthly prevalence (p<0.001). Gastritis was the commonest endoscopy finding (153/380) and gastro-duodenitis had the highest positivity rate (88.9%). Conclusion: The prevalence of infection was relatively high compared with previous studies. Young and middle-aged adults had a high prevalence and this group needs to be given priority for screening and eradication treatment considering limited resources to prevent associated gastric cancer in Bhutan.

scholarly journals The Dynamics of Cullin-1 Expression in Preeclamptic Placenta and its Association with Pregnancy Termination Time

2020 ◽  
Vol 8 (B) ◽  
pp. 210-215
Author(s):  
Makbruri Makbruri ◽  
Isabella Kurnia Liem ◽  
Ahmad Aulia Jusuf ◽  
Tantri Hellyanti
Keyword(s):  
Gestational Age ◽  
Pregnancy Termination ◽  
Age Groups ◽  
Trophoblast Invasion ◽  
Age Group ◽  
Placental Development ◽  
Very Preterm ◽  
Significant Difference ◽  
Cellular Factors ◽  
Termination Time

BACKGROUND: Preeclampsia is a systemic syndrome occurring in 3–5% of pregnancies, caused by disorders of cellular factors resulting in the disruption of trophoblast differentiation and invasion which is important for the placental development and maintaining pregnancy. Cullin-1 is a protein that plays a role in the process of maintaining pregnancy, development, and trophoblast invasion in the placenta. Until now, there have been no studies linking the expression of cullin-1 in preeclamptic patients with the timing of pregnancy termination. AIM: This study analyzed cullin-1 expression in preeclamptic patients and their relationship to the timing of pregnancy termination was carried out. METHODS: Placental samples were taken from preeclampsia patients consisting of three gestational age groups, then immunohistochemical staining was performed to see the dynamics of expression and distribution in each age group of pregnancy and to find out their relationship with the timing of pregnancy termination. RESULTS: Cullin-1 was expressed in syncytiotrophoblasts and cytotrophoblasts. The lowest cullin-1 level was obtained in the very preterm age group, and the highest was found in the moderate preterm gestational age group. There was a significant difference between cullin-1 optical density (OD) expression and termination time of pregnancy, and there was a significant difference (OD) in cullin-1 preeclamptic patients with very preterm gestational age with moderate preterm gestational age. CONCLUSION: Cullin-1 was expressed both in syncytiotrophoblasts and cytotrophoblasts and was associated with the timing of pregnancy termination.

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