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Eftekhar-Javadi, Arezoo,Kumar, Perikala Vijayananda,Mirzaie, Ali Zare,Radfar, Amir,Filip, Irina,Niyazi, Maximilian,Sadeghipour, Alireza Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.16
Background: Transthoracic fine needle aspiration (FNA) cytology and core needle biopsy (CNB) are two commonly used approaches for the diagnosis of suspected neoplastic intrathoracic lesions. This study compared the diagnostic accuracy of FNA cytology and concurrent CNB in the evaluation of intrathoracic lesions. Materials and Methods: We studied FNA cytology and concurrent CNB specimens of 127 patients retrospectively, using hematoxylin and eosin (H&E), immunohistochemistry, and, on certain occasions cytochemistry. Information regarding additional tissue tests was derived from the electronic archives of the Department of Pathology and Laboratory Medicine as well as patient records. Diagnostic accuracy was calculated for each test. Results: Of 127 cases, 22 were inconclusive and excluded from the study. The remaining 105 were categorized into 73 (69.5%) malignant lesions and 32 (30.5%) benign lesions. FNA and CNB findings were in complete agreement in 63 cases (60%). The accuracy and confidence intervals (CIs) of FNA and CNB for malignant tumors were 86.3% (CI: 79.3-90.7) and 93.2% (CI: 87.3-96.0) respectively. For epithelial malignant neoplasms, a definitive diagnosis was made in 44.8% of cases by FNA and 80.6% by CNB. The diagnostic accuracy of CNB for nonepithelial malignant neoplasms was 83.3% compared with 50% for FNA. Of the 32 benign cases, we made specific diagnoses in 16 with diagnostic accuracy of 81.3% and 6.3% for CNB and FNA, respectively. Conclusions: Our findings suggest that FNA is comparable to CNB in the diagnosis of malignant epithelial lesions whereas diagnostic accuracy of CNB for nonepithlial malignant neoplasms is superior to that for FNA. Further, for histological typing of tumors and examining tumor origin, immunohistochemical work up plays an important role.
Association between vitamin D and urinary tract infection in children
Abolfazl Mahyar,Parviz Ayazi,Sara Safari,Reza Dalirani,Amir Javadi,Shiva Esmaeily 대한소아청소년과학회 2018 Clinical and Experimental Pediatrics (CEP) Vol.61 No.3
Purpose: The present study aimed to determine the relationship between serum 25-hydroxyvitamin D (25(OH)D) level and Urinary tract infections (UTIs) in children. Methods: In this case-control study, 70 children with UTI (case group) were compared with 70 healthy children (control group) in terms of serum 25(OH)D levels. The children were between 1 month and 12 years of age. Serum 25(OH)D levels were measured using enzyme-linked immunosorbent assay (ELISA). The results were analyzed and compared between both groups. Results: Among 70 children with UTI (case group), 5 children (7.2%) were male and 65 (92.8%) were female. Among the healthy children (control group), 9 (12.8%) and 61 children (87.2%) were male and female, respectively (P=0.39). The mean±standard deviation of age in the case and control groups were 53.2±35.6 and 36.1±60.2 months, respectively (P=0.24). The mean level of serum 25(OH)D in the case group was significantly higher than that of the control group (20.4±8.6 ng/mL vs. 16.9±7.4 ng/mL, P= 0.01) Conclusion: This study showed that there was a relationship between serum 25(OH)D levels and UTI in children. It seems that 25(OH)D plays a role in the pathogenesis of UTI.
Association between vitamin D and urinary tract infection in children
Mahyar, Abolfazl,Ayazi, Parviz,Safari, Sara,Dalirani, Reza,Javadi, Amir,Esmaeily, Shiva The Korean Pediatric Society 2018 Clinical and Experimental Pediatrics (CEP) Vol.61 No.3
Purpose: The present study aimed to determine the relationship between serum 25-hydroxyvitamin D (25(OH)D) level and Urinary tract infections (UTIs) in children. Methods: In this case-control study, 70 children with UTI (case group) were compared with 70 healthy children (control group) in terms of serum 25(OH)D levels. The children were between 1 month and 12 years of age. Serum 25(OH)D levels were measured using enzyme-linked immunosorbent assay (ELISA). The results were analyzed and compared between both groups. Results: Among 70 children with UTI (case group), 5 children (7.2%) were male and 65 (92.8%) were female. Among the healthy children (control group), 9 (12.8%) and 61 children (87.2%) were male and female, respectively (P=0.39). The $mean{\pm}standard$ deviation of age in the case and control groups were $53.2{\pm}35.6$ and $36.1{\pm}60.2months$, respectively (P=0.24). The mean level of serum 25(OH)D in the case group was significantly higher than that of the control group ($20.4{\pm}8.6ng/mL$ vs. $16.9{\pm}7.4ng/mL$, P=0.01) Conclusion: This study showed that there was a relationship between serum 25(OH)D levels and UTI in children. It seems that 25(OH)D plays a role in the pathogenesis of UTI.
Serum interleukin-1beta and tumor necrosis factor-alpha in febrile seizures: is there a link?
Abolfazl Mahyar,Parviz Ayazi,Reza Orangpour,Mohammad Mahdi Daneshi-Kohan,Mohammad Reza Sarokhani,Amir Javadi,Mousa Talebi-Bakhshayesh 대한소아청소년과학회 2014 Clinical and Experimental Pediatrics (CEP) Vol.57 No.10
Purpose: Febrile seizures are induced by fever and are the most common type of seizures in children. Although numerous studies have been performed on febrile seizures, their pathophysiology remainsunclear. Recent studies have shown that cytokines may play a role in the pathogenesis of febrileseizures. The present study was conducted to identify potential links between serum interleukin-1beta(IL-1β), tumor necrosis factor-alpha (TNF-α), and febrile seizures. Methods: Ninety-two patients with simple or complex febrile seizures (46 patients per seizure type),and 46 controls with comparable age, sex, and severity of temperature were enrolled. Results: The median concentrations of serum IL-1β in the simple, complex febrile seizure, and controlgroups were 0.05, 0.1, and 0.67 pg/mL, respectively (P=0.001). Moreover, the median concentrationsof TNF-α in the simple, complex febrile seizure, and control groups were 2.5, 1, and 61.5 pg/mL,respectively (P=0.001). Furthermore, there were significant differences between the case groups inserum IL-1β and TNF-α levels (P<0.05). Conclusion: Unlike previous studies, our study does not support the hypothesis that increased IL-1βand TNF-α production is involved in the pathogenesis of febrile seizures.
Serum interleukin-1beta and tumor necrosis factor-alpha in febrile seizures: is there a link?
Mahyar, Abolfazl,Ayazi, Parviz,Orangpour, Reza,Daneshi-Kohan, Mohammad Mahdi,Sarokhani, Mohammad Reza,Javadi, Amir,Habibi, Morteza,Talebi-Bakhshayesh, Mousa The Korean Pediatric Society 2014 Clinical and Experimental Pediatrics (CEP) Vol.57 No.10
Purpose: Febrile seizures are induced by fever and are the most common type of seizures in children. Although numerous studies have been performed on febrile seizures, their pathophysiology remains unclear. Recent studies have shown that cytokines may play a role in the pathogenesis of febrile seizures. The present study was conducted to identify potential links between serum interleukin-1beta (IL-$1{\beta}$), tumor necrosis factor-alpha (TNF-${\alpha}$), and febrile seizures. Methods: Ninety-two patients with simple or complex febrile seizures (46 patients per seizure type), and 46 controls with comparable age, sex, and severity of temperature were enrolled. Results: The median concentrations of serum IL-$1{\beta}$ in the simple, complex febrile seizure, and control groups were 0.05, 0.1, and 0.67 pg/mL, respectively (P=0.001). Moreover, the median concentrations of TNF-${\alpha}$ in the simple, complex febrile seizure, and control groups were 2.5, 1, and 61.5 pg/mL, respectively (P=0.001). Furthermore, there were significant differences between the case groups in serum IL-$1{\beta}$ and TNF-${\alpha}$ levels (P<0.05). Conclusion: Unlike previous studies, our study does not support the hypothesis that increased IL-$1{\beta}$ and TNF-${\alpha}$ production is involved in the pathogenesis of febrile seizures.