1.A Case of Basaloid Follicular Hamartoma Combined with Basal Cell Epithelioma.
Sung Woo CHOI ; Young Sik RYU ; Hyung Ok KIM ; Chung Won KIM
Korean Journal of Dermatology 1998;36(1):148-151
Basaloid follicular hamartoma(BFH) is a rare, benign adnexal tumor with a wide clinical appearance spectrum. A characteristic finding is multifocal islands in the papillary dermis and branching cords of basaloid epithelial cells in continuity at various sites with the basal layer of the epidermis and the hair follicles. We present a case of basaloid follicular hamartoma combined with basal cell epithelioma that developed on the tip of the nose in a 75-year-old man. To our knowledge, this is the first case report of basaloid follicular hamartoma combined with basal cell epithelioma in the Korean literature.
Aged
;
Carcinoma, Basal Cell*
;
Dermis
;
Epidermis
;
Epithelial Cells
;
Hair Follicle
;
Hamartoma*
;
Humans
;
Islands
;
Nose
2.A clinical analysis of respiratory failure in patients with acute organophosphorus poisoning.
Hyung Kug RYU ; Hyung Won HAN ; Hee Young CHO ; In Hwan KIM ; Il Se LEE ; Kyung Min LEE
Korean Journal of Medicine 1993;45(4):507-515
No abstract available.
Humans
;
Organophosphate Poisoning*
;
Respiratory Insufficiency*
3.Early and Late Prognostic Factors of Acute Myocardial Infarction.
Kyu Hyung RYU ; Rho Won CHUN ; Dong Jin OH ; Kyung Pyo HONG ; Chong Yun LIM ; Young Bahk KOH ; Young LEE
Korean Circulation Journal 1991;21(2):218-228
We identified the early and late prognostic factors of acute myocardial infarction, and evaluated the clinical differences and the prognosis between Q-wave myocardial infarction and non-Q wave myocardial infarction. Total 146 patients who were managed from Jan 1987 to Aug. 1989 at hallym University hospital were evaluated. According to the presence or absence of Q wave on electrocardiogram, the patients were divided into two groups : a Q wave myocardial infarction group(QMI) and a non-Q wave myocardial infarction group (NQMI). Among 146 patients 109 patients(74.7%) had QMI and 37 patients(25.3%) had NQNI. The mean age, male to female ratio and serum cholesterol level were similar in both groups. But peak level of CPK was significantly higher in the QMI group than that in the NQMI group(P<0.01). Left ventricular end-systolic dimension and ratio of left ventricular dimension to wall thickness in the QMI group were significantly higher than that in the NQMI group(P<0.01). There were no significant differences between two groups in the incidences of mortality, postinfarction angina and re-infarction. During the in-hospital period female gender, old age(more than 60 years), Killip class at admission, early reinfarction and a history of hypertension were significant prognostic factors. main causes of death during the in-hospital period were ventricular tachyarrthymia, heart failure and cardiogenic shock. The incidences of mortality, heart failure and post-infarction angina during a mean follow-up period of 14 months (6~30months) were same in the two groups. The late prognostic factors were old age(more than 60 years), Killip class at admission, heart failure occured during follow-up period(P<0.001) and a history of diabetes mellitus(P<0.05). The patients with late postinfarction angina had more dilated left ventricular end-systolic demension(P<0.05) and lower fractional shortening(P<0.01) than those of patients without late postinfraction angina. There were no significant difference in long term survival rate between QMI group and NQMI group. Further prospective study should be performed to clarify the short and long term prognosis in patients with acute myocardial infarction treated by reperfusion.
Cause of Death
;
Cholesterol
;
Electrocardiography
;
Female
;
Follow-Up Studies
;
Heart Failure
;
Humans
;
Hypertension
;
Incidence
;
Male
;
Mortality
;
Myocardial Infarction*
;
Prognosis
;
Reperfusion
;
Shock, Cardiogenic
;
Survival Rate
4.Scleral Perforation During Inferior Rectus Muscle Recession in Congenital Fibrosis of the Extraocular Muscles.
Woo Seok CHOI ; Yoon Hyung KWON ; Won Yeol RYU
Journal of the Korean Ophthalmological Society 2016;57(3):524-527
PURPOSE: We report a case of a scleral perforation during inferior rectus recession in congenital fibrosis of extraocular muscles and the management of this perforation with a scleral patch graft. CASE SUMMARY: A 20-month-old female with bilateral ptosis, absence of elevation and a chin-up position was diagnosed with congenital fibrosis of extraocular muscles. Because severe esotropia in the downward gaze was observed, we first performed esotropia surgery. After 1 year, she underwent a bilateral ptosis correction. We decided to perform bilateral inferior rectus recession due to an abnormal head posture and the absence of elevation. Because the inferior rectus muscles were extremely tight and adhered to the sclera, hooking and isolating these muscles during surgery was difficult. After muscle suture placement, a portion of the sclera that contacted the left inferior rectus was chipped off as this muscle was disinserted with blunt Westcott scissors. A scleral perforation was observed, thus, we placed a scleral patch graft using the donor sclera and finished the bilateral inferior rectus recession. No abnormal findings for the vitreous or retina were detected. At 8 months after surgery, the patient exhibited exotropia of 12 prism diopters in her primary gaze. Her abnormal head posture nearly disappeared. CONCLUSIONS: Careful isolation and disinsertion of the muscle from the globe is necessary in the treatment of patients who are expected to exhibit severe adhesions between the muscle and sclera, such as patients with congenital fibrosis of extraocular muscles.
Esotropia
;
Exotropia
;
Female
;
Fibrosis*
;
Head
;
Humans
;
Infant
;
Muscles*
;
Posture
;
Retina
;
Sclera
;
Sutures
;
Tissue Donors
;
Transplants
5.Mortality-Related Risk Factors in Total Hip Arthroplasty for Femoral Neck Fractures in Elderly Patients
Jae Sung SUH ; Hyung Gon RYU ; Young Ju ROH ; Dae Won SHIN
Journal of the Korean Fracture Society 2022;35(2):51-56
Purpose:
Total hip arthroplasty (THA) using dual mobility components (DMC) is a reasonable surgical option for displaced femoral neck fractures in elderly patients, resulting in lower dislocation rates and improved stability. The purpose of this study was to investigate the clinical outcomes and risk factors responsible for mortality in elderly patients who were diagnosed with a displaced femoral neck fracture and had undergone DMC-THA.
Materials and Methods:
Out of 147 cases of THA from December 2018 to June 2020, a total of 79 cases were enrolled in this study, with the following characteristics: (1) Garden stage III or IV, (2) over 75 years of age, and (3) over 1 year of follow-up. All the patients received DMC-THA surgery using the anterolateral approach.
Results:
The mean follow-up period was 15.0±8.43 months and a total of one dislocation case was observed. The mortality rate was 17.7% (14/79), and it was especially higher in patients with a past medical history of malignancy (odds ratio [OR]=7.18, p=0.03) or a cognitive disorder such as dementia (OR=5.48, p=0.03). Preoperative low initial hemoglobin levels (OR=0.65, p=0.04) and low UCLA (Uni-versity of California at Los Angeles) score (OR=0.47, p=0.02) were also associated with mortality.
Conclusion
When considering THA as a treatment approach in elderly patients with a displaced femoral neck fracture, a high mortality rate is expected in patients with low preoperative hemoglobin levels or a history of malignancy or cognitive disorders. Hence, thorough monitoring and management should be undertaken before and after surgery.
6.Insufficiency Fracture of Simultaneously Bilateral Femur Neck in Patient Treated with Long-Term Bisphosphonate Treatment - A Case Report -
Seong Kee SHIN ; Hyung Gon RYU ; Dae Won SHIN ; Beom Su HAN
Journal of the Korean Fracture Society 2022;35(3):109-113
Bisphosphonate is used widely for osteoporosis management. On the other hand, some studies have reported that prolonged use of bisphosphonate without a proper resting period can cause insufficiency fracture and, in rare cases, fractures on the femur neck. This paper reports a case of an elderly patient who suffered bilateral femur neck insufficiency fractures induced by non-stopped long-term bisphosphonate therapy. The patient complained of pain in her buttocks at the first visit. During the admission period, inguinal area pain newly developed. Both a femur neck insufficiency fracture was observed on the hip radiographic image. Hip pinning and postoperative parathyroid hormone treatment were performed. The patient was discharged without specific complications and reported improvement in symptoms on the last follow-up. Several authors have reported one-sided femoral neck insufficiency fractures due to bisphosphonate use, but the present case is uncommon in that it occurred simultaneously in both femur necks. In addition, in the case of bilateral femur fractures, the walking ability after surgery is lower than that of one-sided fracture cases, so active rehabilitation is necessary.
7.Rotator Cuff Repair using Mini - open Technique with Minimized Arthroscopic Acromioplasty.
Jin Hyung SUNG ; Jae Duk RYU ; Weon Yoo KIM ; Chang Whan HAN ; Kwang Won LEE ; Jin Young KIM
The Journal of the Korean Orthopaedic Association 1998;33(7):1811-1815
Treatment of rotator cuff tears by open subacromial decompression has known successful in decreasing pain and restoring function in patients who have failed nonoperative treatment. But, open rotator cuff repair may result in significant deficits in strength and active motion by deltoid separation from the acromion. Deltoid detachment may be avoided by repair using mini-open technique. Arthroscopic subacromial decompression and the rotator cuff repair revel satisfactory results. Subacromial decompression involves decompression of the coracoacromial arch including routine release or resection of the coracoacromial ligament. Recent ligament-cutting studies have confirmed the role of the coracoacromial ligament as a static restraint to superior humeral head displacement. Complete resection of the coracoacromial ligament may be avoided through minimized arthroscopic acromioplasty. We evaluated all 11 patients with rotator cuff tears who underwent arthroscopic minimized subacromial decompression and rotator cuff repairs using mini-open technique. Their average age was 53 years (26 to 64 years); and the average follow-up was 13 months. Preoperatively, all patients complained pain and weakness. Follow-up using modified Hospital for Special Surgery shoulder score showed good to excellent results in 10 cases and poor results in 1 case an average 13 months postoperatively. We found that arthroscopic minimized subacromial decompression and repair using mini-open technique are safe, effective procedure for addressing cuff tears of a wide range of sizes.
Acromion
;
Decompression
;
Follow-Up Studies
;
Humans
;
Humeral Head
;
Ligaments
;
Rotator Cuff*
;
Shoulder
8.Laparoscopic Repair of Large Bladder Herniation Presenting as an Inguinal Hernia.
Jong Yeon LEE ; Seung Young OH ; In Ho CHANG ; Jung Won CHOE ; Sang Ho PARK ; Jae Hyung RYU ; Dong Min LEE ; Young Woo RYU ; Song Won LIM
Korean Journal of Urology 2013;54(2):139-142
The bladder is involved in 1% to 3% of all hernia cases. We report a case of a large paraperitoneal bladder hernia (BH) in a 59-year-old man who had a palpable scrotal mass. Several techniques and approaches have been described for managing BHs. We performed a laparoscopic partial cystectomy and herniorrhaphy. This is the first case report on the repair of a large BH by use of a laparoscopic technique in Korea.
Cystectomy
;
Hernia
;
Hernia, Inguinal
;
Herniorrhaphy
;
Korea
;
Laparoscopy
;
Urinary Bladder
9.A tissue response to the titanium alloy (Ti-13Zr-6Nb) in vivo.
Chang Su KIM ; Seok Hyung LEE ; Sang Wan SHIN ; Kyu Won SUH ; Jae Jun RYU
The Journal of Korean Academy of Prosthodontics 2004;42(6):619-627
STATEMENT OF PROBLEM: Mechanisms of tissue-implant interaction and the effect of the implant surface on the behavior of cells has not yet been clarified. PURPOSE: This study was performed to investigate the tissue reaction to the titanium alloy submerged into rat peritoneum in vivo. MATERIALS AND METHODS: Titanium alloys (titanium-13Zirconium-6Niobium) were inserted inside the peritoneal cavity of Sprague Dawley rats. After 3 months, the tissue formed around the inserted titanium alloys were examined with a light-microscope. Tissue reaction around the material was analyzed by confocal microscopy to evaluate their biocompatibility in a living body. RESULTS: In in vivo study, foreign body type multinucleated giant cells were found in the fibrous tissue formed as a reaction to the foreign material (4 in 20 cases), but the inflammatory reaction was very weak. After experiment, the contaminants of biomaterials was removed from living tissue. In confocal microscopy, we observed that the staining of vinculin and actin showed mixed appearance. In a few cases, we found that the staining of vinculin and beta-catenin showed the prominent appearance. CONCLUSION: We found that titanium-13Zirconium-6Niobium alloy was an excellent biomaterial.
Actins
;
Alloys*
;
Animals
;
beta Catenin
;
Biocompatible Materials
;
Foreign Bodies
;
Giant Cells
;
Microscopy, Confocal
;
Peritoneal Cavity
;
Peritoneum
;
Rats
;
Rats, Sprague-Dawley
;
Titanium*
;
Vinculin
10.A Type II Segmental Vitiligo Developed under Infliximab Treatment for Ulcerative Colitis.
Tae Hyung RYU ; Dong Won LEE ; Jae Eun CHOI ; Hyo Hyun AHN ; Young Chul KYE ; Soo Hong SEO
Annals of Dermatology 2017;29(6):826-827
No abstract available.
Colitis, Ulcerative*
;
Infliximab*
;
Ulcer*
;
Vitiligo*