BACKGROUND Children with congenital glaucoma are often accompanied by acquired epiblepharon in the lower eyelid,which causes entropion of the lower eyelid and damages the cornea.AIM To infer the possible causes of low...BACKGROUND Children with congenital glaucoma are often accompanied by acquired epiblepharon in the lower eyelid,which causes entropion of the lower eyelid and damages the cornea.AIM To infer the possible causes of lower eyelid entropion by comparing the difference of ocular axis and corneal diameter between inverted and non-inverted ciliary eyes in children with congenital glaucoma.METHODS A total of 15 patients(11 males and 4 females)diagnosed with congenital glaucoma between July 2016 and January 2019 at Tongren Hospital were included.Five patients had bilateral glaucoma,and ten had unilateral glaucoma.Each patient had only one eye with lower eyelid entropion which is associated with congenital glaucoma.All the patients had no entropion in another eye.The clinical data were collected.Main outcome measures were the ocular axis and corneal diameter.RESULTS The average age of the 15 patients was 1.85±0.49 years.Paired t-test showed that the average ocular axis of congenital glaucoma eyes with lower eyelid entropion(24.86±3.44 mm)was significantly longer than that of congenital glaucoma eyes without lower eyelid entropion(20.79±1.34 mm;P<0.001).The average corneal diameter of congenital glaucoma eyes with lower eyelid entropion(13.61±0.88 mm)was also significantly greater than that of congenital glaucoma eyes without lower eyelid entropion(11.63±0.48;P<0.001).CONCLUSION The rapid growth of the ocular axis and corneal diameter may be the main cause of congenital glaucoma with acquired lower eyelid entropion.Therefore,children with poor control of intraocular pressure and excessive growth of ocular axis and corneal diameter must be observed for the existence of acquired epiblepharon.展开更多
A periodic check of the cement rotary kiln axis is needed withinthe framework of preventive ma- intenance for maintaining high plantavailability. The fourth generation 'KAS-4' measuring system wasdevel- oped b...A periodic check of the cement rotary kiln axis is needed withinthe framework of preventive ma- intenance for maintaining high plantavailability. The fourth generation 'KAS-4' measuring system wasdevel- oped by Wuhan University of Technology in 1999. The system canbe carried out with rotating or stationary kiln plant. The same istrue of the measurement of tire and supporting roller diameters, theclearance of tires, the po- sition of rollers, the machining of tiresand rollers, the slops of roller surfaces, the deflection of gear,the axis of kiln. The system has been applied to the measurement for10 set of cement rotary kiln in China.展开更多
Significant controversies exist with regards to the optimal management of lateral pelvic lymph nodes metastases(mLLN)in patients with low rectal cancer.The differing views held by Japanese and Western clinicians on th...Significant controversies exist with regards to the optimal management of lateral pelvic lymph nodes metastases(mLLN)in patients with low rectal cancer.The differing views held by Japanese and Western clinicians on the management of mLLN have been well documented.However,the adequacy of pelvic lymph node dissection(PLND)or neoadjuvant chemoradiation(NACRT)alone in addition to total mesorectal excision(TME)have recently come into question,due to the relatively high incidence of lateral local recurrences following PLND and TME,or NACRT and TME alone.Recently,a more selective approach to PLND has been suggested,involving a combination of neoadjuvant therapy,followed by PLND only to patients in whom the oncological benefit is likely to outweigh the risk of potential adverse events.A number of studies have attempted to retrospectively identify certain nodal characteristics on preoperative imaging,such as nodal size,appearance,and size reduction following neoadjuvant therapy.However,no consensus has been reached regarding the optimal criteria for a selective approach to PLND,partly due to the heterogeneity and retrospective nature of most of these studies.This review aims to provide an overview of recent evidence with regards to the diagnostic challenges,considerations for,and outcomes of the current management strategies for mLLN in rectal cancer patients.展开更多
文摘BACKGROUND Children with congenital glaucoma are often accompanied by acquired epiblepharon in the lower eyelid,which causes entropion of the lower eyelid and damages the cornea.AIM To infer the possible causes of lower eyelid entropion by comparing the difference of ocular axis and corneal diameter between inverted and non-inverted ciliary eyes in children with congenital glaucoma.METHODS A total of 15 patients(11 males and 4 females)diagnosed with congenital glaucoma between July 2016 and January 2019 at Tongren Hospital were included.Five patients had bilateral glaucoma,and ten had unilateral glaucoma.Each patient had only one eye with lower eyelid entropion which is associated with congenital glaucoma.All the patients had no entropion in another eye.The clinical data were collected.Main outcome measures were the ocular axis and corneal diameter.RESULTS The average age of the 15 patients was 1.85±0.49 years.Paired t-test showed that the average ocular axis of congenital glaucoma eyes with lower eyelid entropion(24.86±3.44 mm)was significantly longer than that of congenital glaucoma eyes without lower eyelid entropion(20.79±1.34 mm;P<0.001).The average corneal diameter of congenital glaucoma eyes with lower eyelid entropion(13.61±0.88 mm)was also significantly greater than that of congenital glaucoma eyes without lower eyelid entropion(11.63±0.48;P<0.001).CONCLUSION The rapid growth of the ocular axis and corneal diameter may be the main cause of congenital glaucoma with acquired lower eyelid entropion.Therefore,children with poor control of intraocular pressure and excessive growth of ocular axis and corneal diameter must be observed for the existence of acquired epiblepharon.
基金Funded by Chinese Building Material Industry Science Foundation (No, 96J - 13) , Research of Measurement Engineering of the Rotary Kiln in Operation.
文摘A periodic check of the cement rotary kiln axis is needed withinthe framework of preventive ma- intenance for maintaining high plantavailability. The fourth generation 'KAS-4' measuring system wasdevel- oped by Wuhan University of Technology in 1999. The system canbe carried out with rotating or stationary kiln plant. The same istrue of the measurement of tire and supporting roller diameters, theclearance of tires, the po- sition of rollers, the machining of tiresand rollers, the slops of roller surfaces, the deflection of gear,the axis of kiln. The system has been applied to the measurement for10 set of cement rotary kiln in China.
文摘Significant controversies exist with regards to the optimal management of lateral pelvic lymph nodes metastases(mLLN)in patients with low rectal cancer.The differing views held by Japanese and Western clinicians on the management of mLLN have been well documented.However,the adequacy of pelvic lymph node dissection(PLND)or neoadjuvant chemoradiation(NACRT)alone in addition to total mesorectal excision(TME)have recently come into question,due to the relatively high incidence of lateral local recurrences following PLND and TME,or NACRT and TME alone.Recently,a more selective approach to PLND has been suggested,involving a combination of neoadjuvant therapy,followed by PLND only to patients in whom the oncological benefit is likely to outweigh the risk of potential adverse events.A number of studies have attempted to retrospectively identify certain nodal characteristics on preoperative imaging,such as nodal size,appearance,and size reduction following neoadjuvant therapy.However,no consensus has been reached regarding the optimal criteria for a selective approach to PLND,partly due to the heterogeneity and retrospective nature of most of these studies.This review aims to provide an overview of recent evidence with regards to the diagnostic challenges,considerations for,and outcomes of the current management strategies for mLLN in rectal cancer patients.
