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Soyon An(Soyon An),Jongbong Lee(Jongbong Lee),Gunha Hwang(Gunha Hwang),Jeongmin Ryu(Jeongmin Ryu),Jiwon Yoon(Jiwon Yoon),Minji Kim(Minji Kim),Hee Chun Lee(Hee Chun Lee),Tae Sung Hwang(Tae Sung Hwang) 한국예방수의학회 2023 예방수의학회지 Vol.47 No.1
A 9-year-old, intact female, Pungsan dog was referred for purulent vaginal discharge and depression. Abdominal radiographs revealed gas-filled and soft tissue opacity tubular structures in the mid to caudal abdomen. On ultrasonography, fluid-filled uterus and cervix accompanied by hyperechoic foci and reverberation artifacts were identified. Multiple hyperechoic foci were found within the uterine wall, indicating gas content. Escherichia coli was isolated from aerobic and anaerobic bacterial cultures. Radiological differential diagnosis of tubular shaped, dilated gas-filled structure, and gas in the wall of the structure should consider emphysematous pyometra with endometrial pneumatosis in intact female dogs with vulvar discharge.
( Jiwon Hwang ),( Joong Kyong Ahn ),( Jaejoon Lee ),( Eun-mi Koh ),( Hoon-suk Cha ) 대한류마티스학회 2019 대한류마티스학회지 Vol.26 No.1
Objective. This cross-sectional study aimed to investigate the association between rheumatoid factor (RF) positivity and bone mineral density (BMD) in male Korean subjects without any history of joint disease. Methods. Of 84,344 males who had undergone a comprehensive health checkup program in 2012, 1,390 male health examinees were recruited, whose BMD and RF results were available. A RF titer ≥20 IU/mL was considered positive. BMD was measured at lumbar spine (L1∼L4) or hip (femoral neck and total hip) by dual-energy X-ray absorptiometry. Results. The association between RF positivity and BMD was assessed by multiple linear regression analysis. The mean age was 52.7±10.9 years (range 19∼88 years), and RF was detected in 64 subjects (4.6%). Demographics and laboratory data were not different between RF-positive and -negative subjects except hepatitis B surface antigen (HBsAg), which was more frequently seen in RF-positive subjects (15.6% vs. 4.3%, p=0.001). RF-positive subjects had significantly lower BMD compared to RF-negative subjects in lumbar spine but not in total hip regardless of the existence of HBsAg (1.17±0.16 g/㎠ vs. 1.10±0.18 g/㎠, p=0.002 in total subjects; 1.17±0.16 g/㎠ vs. 1.10±0.18 g/㎠, p=0.004 in HBsAg-negative subjects). After adjusting for multiple confounders, RF positivity was negatively associated with lumbar spine BMD (B=-0.088 and standard error=0.035, p=0.011). Conclusion. Our results show that the presence of RF could have an unfavorable impact on bone density in apparently normal males. Additional studies to elucidate the osteoimmunological mechanism of rheumatoid factor are warranted. (J Rheum Dis 2019;26:31-40)