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허환,김재홍 한양대학교 의과대학 1999 한양의대 학술지 Vol.19 No.2
Nodular formation may be a rare feature in association with repeated bee-stings at the same sites. Histologically, such nodules are sometimes shown to be granuloma and pseudolymphoma reactions. We present the male patient with a nodule over the knee. He had the knee stung by bees two times at an interval of about 1 month for the treatment of arthralgia at the knee. Three months after the last bee-sting therapy, itchy, mildly tender, and yellow-ivory colored nodule, 2cm in diameter, developed at the site of bee-stings. A possible histogenesis may be due to antigen persistence. The biopsy specimen demonstrated eosinophilic granuloma mixed with lymphohistiocytic infiltration. The patient was treated with intralesional injections of triamcinolone suspension.
허환,박상우,박영걸 대한안과학회 2005 대한안과학회지 Vol.46 No.10
Purpose: In order to propose reference values useful for in diagnosing the strabismus related to the abnormal intraorbital pathway of rectus muscles, we evaluated the intraorbital positions and angles of each rectus muscle in normal subjects. Methods: Using previously scanned orbital MRI and orbital CT of patients who did not show any strabismus or organic disease in the orbit, we calculated the angles of each rectus muscle in the orbit, and compared the results with those of a patient with large angle exotropia. Results: Using orbital MRI and orbital CT, the normal angles of each rectus muscles 10 mm posterior to the globe center were -5.1±3.4 and -1.5±6.0 degrees in the medial rectus, 185.8±8.1 and 180.8±6.9 degrees in the lateral rectus, 98.1±6.03 and 87.9±6.7 degrees in the superior rectus, and -79.7±6.1 and -83.1±11.7 degrees in the inferior rectus, respectively. In the patient with large angle exotropia, each rectus muscle showed orbital pathways similar to the normal patients. Conclusions: We evaluated the normal positions and angles of each rectus muscle in the orbit. The results may be useful in diagnosing the strabismus related to an abnormal orbital pathway of rectus muscles.
허환,남채식,김영태,김중환 대한화학요법학회 1987 대한화학요법학회지 Vol.5 No.2
From April 1 to October 9, 1985, 289 patients with uncomplicated gonococcal urethritis, seen at the Choong-Ku Public Health Center VD Clinic, were entered into this study. The diagnosis of gonococcal infection and the test of cure were made by the results of culture and Gram staining of urethral smear. The patients were randomly divided into group A and group B, which consisted of 142 and 147, respectively. In group A, kanamycin(KM) 2.0 gm im plus probenecid(BEN) 1.0 gm PO/fortified procaine penicillin G(FPPG) 6 Mu im regimen gave two(1.8%) treatment failures of 110 followed patients. In group B, spectinomycin 2.0 gm im regimen gave one(0.9%) treatment failure of 112 followed patients. The failure rates in both groups were satisfactorily low and not significantly different. The failure rates of PPNG urethritis in group A and in group B were 3.9% and 2.0%, respectively and th difference was not significant. There was no significant difference in the rates of post-gonococcal urethritis between two groups. It is suggested that KM 2.0 gm im plus BEN 1.0 gm PO/FPPG 6 Mu regimen can be used as the first line treatment for uncomplicated gonococcal urethritis in the view of inexpensivenss and efficacy. It is further suggested that in the event KM plus FPPG(6 Mu) regimen will not meet the increasing resistance of Neisseria gonorrhoeae to penicillins, aqueous crystalline penicillin G, 8 Mu more can be substituted for FPPG.