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정두신,성기범,신현길,안무영,김형수,홍영의 大韓産業醫學會 1999 대한직업환경의학회지 Vol.11 No.4
Objectives : Entrapment of the suprascapular nerve is frequently overlooked in the differential diagnosis of shoulder pain. Methods : Suprascapular entrapment neuropathy is a well-defined clinical entity and EMG and NCV is used to confirm a diagnosis. But the diagnosis typically not considered until patients develop severe weakness secondary to atrophy of the spinous musculature that the nerve supplies. Results : A narrow suprascapular notch has rarely been reported as a work-related factor of this entrapment neuropathy. Diagnosis of suprascapular entrapment neuropathy is based on the patients' clinical course, neurologic, radiologic, and electrophysiologic findings. One of the most helpful evaluations was anteriorposterior projection with the X-ray tube angled 15-30 degree caudally. The suprascapular entrapment neuropathy is relatively uncommon entity of shoulder discomfort(pain, weakness, and atrophy). Conclusions : If the worker who used his shoulder joint repetitiously having the shoulder pain and muscle weakness, we must rule out the suprascapular entrapment neuropathy. And it is needed to evaluate the motions which cause suprascapular entrapment neuropathy as the ergonomic factor.
직업적 연 폭로 여성 근로자와 일반여성을 대상으로한 일부 신기능 검사치의 비교연구
정두신,박주희,안규동,이병국,김정순 大韓産業醫學會 1994 대한직업환경의학회지 Vol.6 No.2
This study was to investigate the effect of lead on the selected clinical renal function in female lead workers. The 123 female lead workers from 9 lead industry and 177 females who were not occupationally exposed were examined. Females who had history of renal disease or oral medication were excluded. Blood lead, zinc protoporhphyrin in blood, delta-aminolevuilinic acid and hemoglobin were exaimned as of lead exposure indices and blood urea nitrogen, serum creatinine, serum uric acid and urine protein were examined as of renal function in dices. Mean concentration of lead were 40.7(±13.02)㎍/㎗ for lead workers and 10.7(±3.56)㎍/㎗ for non-lead workers. Differences between lead workers and non-lead workers in blood lead, zinc protoporhphyrin in blood and delta-aminoleuvulinic acid were statistically significant. There were significant differences between lead workers and non-lead workers in blood urea nitrogen, serum creatinine, serum uric acid except urine protein but their mean concentrations were all within normal limits. Serum creatinine and urine protein were not increasing according to the increasing blood lead. when the cut off points of 20㎎/㎗ in blood nitrogen, 1.2㎎/㎗ in serum creatine, 7.0㎎/㎗ in serum uric acid, 8.0㎎/㎗ in urine protein and 40㎍/㎗ in blood lead, 100㎍/㎗ in zinc-protoporhphyrin in blood, 7.0㎎/1 in delta-aminoleuvulinic acid were accepted, comparison between frequencies of blood urea nitrogen, serum creatine, serum uric acid, urine protein by the level of blood lead, zinc-protoporhphyrin in blood and delta-aminoleuvulinc acid respectively was not staistically different. There were no dose-response relationships in risk ratios by dose-response relationships in risk ratios by the level of blood lead and zinc-protoporphyrin in blood respectively. In summary, there were no significant effect of lead on the selected clinical renal function among the female lead workers at level of blood lead 40㎍/㎗ that is the permissible level of lead poisoning in Korea.
상지의 분절성 운동 마비 증상을 나타낸 대상포진 감염 1예
정두신,이은아 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.2
Herpes zoster is a viral disease that produces inflammatory lesions in the posterior root ganglia with pain and skin eruptions of affected ganglia. It has been rarely associated with motor paralysis of extremity. But involvement of motor nerve is in a small percentage(1-5%) in the herpes zoster infection. A 61-year-old woman presented with painful grouped vesicular eruptions on the right posterior neck and shoulder area. And she complained of weakness of shoulder joint and arm with painful skin lesions. Neurologic examination showed weakness of right shoulder muscles. EMG/NCV studies suggest cervical radiculopathy(C5, 6, 7). The cervical spine MRI study and CSF examination were carried at seven days after symptoms. The CSF study showed pleocytosis(WBC=144), increased protein level(103mg%), and positive antibody of HZV-Ig G & M. The motor weakness finding cleared forty days later. We report a patient of herpes zoster infection with segmental motor paresis of right shoulder muscles and positive CSF HZV-Ig G & M.