Copper fragment was introduced into the vitreous body of fourteen albino rabbits through the scleral incision at equatorial region. Both photopic and scotopic ERGs were recorded for 30 days thereafter stimulated by the electronic photoflash of 2 msec duration.The changes in scotopic b-potential were roughly classified into 3 types. The first type (5 eyes) showed acute, severe reduction, extinguishing from 6 to 24 days. The second type (3 eyes) was characterized by the absence of any remarakble changes during the whole observation period, the final b'potential being 82,4% of the original value. In the third type (6 eyes), the b-potential decreased gradually and 24.3% of the pre' operative value was attained after 30 days. The latent time and the implicit time of the b-potential increased proportionally to the reduction of the b-wave. The scotopic a-wave behaved parallel to the b-wave, and in later stage, negative (-) type of ERGs were frequently encountered. The photopic a- and b-waves changed in the similar way as the scotopic a- and b-waves, respectively. The slitlamp biomicroscopy and ophthalmoscopy revealed the fibrous tissue proliferation around the copper fragment in relatively early stage. When the proliferation progressed and extended into the vitreous body, ERG showed reduction in b-potential, and sometimes increase in b-potential was noted In cases in which connective tissue encapsulated the copper and did not extend into the vitreous body, ERG changes were much milder and slower. In histological sesctions performed 2 weeks and 3 weeks after the insertion of copper fragment, the degeneration of the retina began both in the visual cell layer and ganglion cell layer almost simultaneously. When the ERG was extinguished, the retinal tissue showed complete destruction.
Connective Tissue ; Copper* ; Ganglion Cysts ; Ophthalmoscopy ; Rabbits ; Retina ; Retinaldehyde ; Vitreous Body

We have experienced a case of plexiform neurofibrorna of the right upper eyelid and orbit in a 12-year-old girl who had typical skin features of neurofibromatosis and no family history. The non-pulsating proptosis of the right eye and diffuse thickening with hypertrophy of the upper lid, had increased insiduciusly since the birth on. Biopsy taken from eyelirl lesion showed the features of plexiform neurofibroma. Skull X-ray and brain computerized tomogram showed that the right orbit was wider, with the enlarged mass and defects in orbital roof and lesser and greater wings of the sphenoid bone. The surgical excision of the right eyelid lesion was performed.
Biopsy ; Brain ; Child ; Exophthalmos ; Eyelids* ; Female ; Humans ; Hypertrophy ; Neurofibroma, Plexiform* ; Neurofibromatoses* ; Orbit* ; Parturition ; Skin ; Skull ; Sphenoid Bone

No abstract available.
Breast Implants* ; Breast* ; Contracture* ; Pregnancy*

No abstract available.
Trichomonas*

No abstract available.
Leukemia, Myelogenous, Chronic, BCR-ABL Positive*

PURPOSE: To evaluate the significance of color Doppler ultrasonography in patients of chronic prostatitis. MATERIALS AND METHODS: We analysed the pattern of color Doppler images and quantitative changes of vascular flow and flow velocity parameters(FVP) using a 7.0 MHz transrectal probe with findings of expressed prostatic secretion (EPS) from 22 patients with clinically suspected chronic prostatitis and 12 controls with clinically suspected prostatodynia retrospectively. RESULTS: Compared with 2 groups according to color Doppler flow grade, higher grades(grade 2 or 3) of flow increase were more frequently seen in prostatitis group(54.5%) than in control group(33.3%)(p <0.05). But no significant difference was found in flow velocity parameter(FVP: maximal flow velocity, minimal flow velocity, resistive index, and pulsatility index) between control and prostatitis group. Two months later follow up ultrasonography of 5 cases in the prostatitis group after treatment, all of 5 cases showed decrease the color Doppler flow compared with the initial color Doppler image grade. CONCLUSIONS: Grading of the amount of color flow with Doppler ultrasonography is of limited significance at efficacy decision after treatment in chronic prostatitis. But precaution should be taken to use color Doppler ultrasonography as objective diagnostic tool, although higher grades of flow increase were more frequently seen in prostatitis group than control group.
Follow-Up Studies ; Humans ; Prostatitis* ; Retrospective Studies ; Ultrasonography ; Ultrasonography, Doppler ; Ultrasonography, Doppler, Color*

No abstract available.
Blood Donors* ; Humans

BACKGROUND: To find out characteristics and classification of toxic agents by clinical analysis of pediatric poisoning and to determine the clinical availability of grading by using MSPC score. METHOD: Subjects were patients under 15 years exposed to toxic agents, who visited Ajou university hospital emergency center from June, 1994 to October, 1997. The study was performed retrospectively. RESULTS: The subjects were 126 cases and male to female sex ratio was 1.2:1. Mean age was 29+/-30 months old. The most common route of exposure was ingestion, following contact, inhalation and bite. The most common reason was mistake by the patient, following mistake by caregiver, suicide attempt and accident. The MSPC score distribution of symptomatic patient was as follows; 1 point: 26 cases(63.4%), 2 point: 12 cases(29.2%), 3 point: 1 case(2.4%), 4 point: 2 cases(4.8%). The classification of exposed poison was as follows; therapeutic drugs: 29 cases(23.0%), non-therapeutic drugs: 97 cases(73.0%). The most common exposed poison was household products: 23 patients(18.3%) were admitted to hospital. CONCLUSION: There was statistically significant difference in the classification of poison, MSPC score, treatment modality at hospital, first follow up period after discharge between admitted group and non-admitted group. There was statistically significant difference in the reason of exposure, route of exposure, MSPC score, admission period according to patient's age. severity grading according to MSPC score is regarded as an available method to determine the modality of management.
Caregivers ; Classification ; Eating ; Emergencies ; Female ; Follow-Up Studies ; Household Products ; Humans ; Inhalation ; Male ; Poisoning* ; Retrospective Studies ; Sex Ratio ; Suicide

The effects of subconjunctivally injected normal saline and hypertonic saline solution on the choroidal blood flow in albino rabbits were investigated. By the injection of 0.9% saline solution, no significant changes in the choroidal blood flow took place. Subconjunctival injection of 3% saline solution produced increase in the blood flow which continued for 30 minutes. The average increase was 22%. Hot dry compress by infra-red lamp for 10 minutes increased also the blood flow by 41 % which lasted for 20 minutes after cessation of hot compress.
Choroid ; Rabbits ; Saline Solution, Hypertonic* ; Sodium Chloride

No abstract available.