1.Exacerbating Clinical Severity of Norwegian Scabies Presentation Paralleled to the Hemiplegic Side.
Hyungrok KIM ; Yongwoo CHOI ; Osung KWON ; Hyun CHUNG ; Joonsoo PARK ; Kyung Duck PARK
Korean Journal of Dermatology 2018;56(9):561-562
No abstract available.
Hemiplegia
;
Scabies*
2.Halo Nevus Arising from Congenital Melanocytic Nevus Featuring an Early Onset Vitiligo.
Osung KWON ; Yongwoo CHOI ; Hyun CHUNG ; Joonsoo PARK
The Ewha Medical Journal 2017;40(4):155-158
Halo nevus and vitiligo are known to be associated with immunologic defect that result in typical skin lesions. Random shapes and sizes of whitish patches, depending on the type, are featured in vitiligo. Halo, on the other hand, presents by surrounding the previous pigmented lesion leaving a whitish-halo-like appearance. The mechanisms underlying these entities remain to be elucidated. Various immunological responses along with biomechanical activities suggest causal relationship between the two diseases. A 6-year-old male patient was recently presented with multiple whitish patches on the various parts of the body in a Koebner phenomenon manner. A noticeable hairy congenital melanocytic nevus surrounded a well-demarcated halo of depigmentation was also observed. Clinical and pathological findings were conclusive of as halo nevus with multiple concurrent vitiligo. The pathogenic relationship between the two entities must be underlined since the nature of disease progression is associated and the respective management may also be altered accordingly.
Child
;
Disease Progression
;
Hand
;
Humans
;
Male
;
Nevus, Halo*
;
Nevus, Pigmented*
;
Skin
;
Vitiligo*
3.A Case of Punctate Leukoderma after 1,064 nm Q-Switched Nd:YAG Laser.
Osung KWON ; Yongwoo CHOI ; Hyun CHUNG ; Joonsoo PARK
Soonchunhyang Medical Science 2017;23(2):137-139
Punctate leukoderma is characterized of the destruction of melanocytes after chemical of physical damage. In addition, the term is broadly used to describe hypopigmented lesions induced in vitiligo patients after psolaren administration with ultraviolet A and in psoriasis patients with repetitive ultraviolet B phototherapy. The Q-switched neodymium-doped yttrium aluminum garnet (Nd:YAG) laser in treating melasma is frequently reported to be associated with the cause. A 44-year-old woman presented to the department with numerous confetti-like hypopigmented macules on both cheeks for over a year. Weekly treatment of 1,064 nm Qswitched Nd:YAG laser (2.0–3.4 J, 8 mm spot-size) therapy at a non-dermatologic clinic had induced both hyperpigmentation and hypopigmentation lesions. Biopsy performed at both hyperpigmented and hypopigmented lesions revealed variable melanin pigmentation with segmental loss and infiltration of pigment incontinence. The patient was diagnosed with punctate leukoderma and was directed for narrow-band ultraviolet B phototherapy. Herein, we report a case of punctate leukoderma after inadvertent use of 1,064 nm Q-switched Nd:YAG laser.
Adult
;
Aluminum
;
Biopsy
;
Cheek
;
Female
;
Humans
;
Hyperpigmentation
;
Hypopigmentation
;
Melanins
;
Melanocytes
;
Melanosis
;
Phototherapy
;
Pigmentation
;
Psoriasis
;
Vitiligo
;
Yttrium
4.The clinical studies on 600 cases of total laparoscopic hysterectomy (TLH).
Sheenae KIM ; Hyaeyeon SON ; Sungho PARK ; Ji Youn CHUNG ; Hongbae KIM ; Yongwoo LEE ; Pongrheem JANG ; Yongil KWON
Korean Journal of Obstetrics and Gynecology 2006;49(11):2356-2361
OBJECTIVE: To analyze the clinical characteristics of total laparoscopic hysterectomy. METHODS: Clinical data about 600 cases who received TLH were collected and the hospital stay, operation time and complication were evaluated. RESULTS: The most common indications for TLH were uterine myomas, adenomyosis, severe endometriosis and cervical intraepithelial neoplasia. Mean operating time was 90 minutes (range 35-200 min) and hospital stay was 3 days (range 2 days-10 days). The most important factors for the surgery time were uterine size, assistant's skill and presence of adhesions (obliteration of the cul-de-sac due to severe pelvic endometriosis). Several techniques were used, including bipolar coagulation of the ovarian and uterine vessels, and suture of the stump. A special uterine manipulator (RUMITM uterine manipulator with colpotomizer and pneumooccluder balloon) used in all procedures aided in anatomic definition and performing the circumferential colpotomy. We had two cases of ureteral obliteration by using bipolar coagulator, and 3 cases of bladder injuries during operation which was diagnosed and immediately repaired laparoscopically. We had two cases of ureterovaginal fistula, two cases of postoperative ileus and one case of bowel perforation. But there were no cases of death, thrombophlebitis or other pulmonary complications. CONCLUSIONS: Total laparoscopic hysterectomy can be performed safely and effectively when the surgical team is sufficiently trained. And we believe that total laparoscopic hysterectomy offers benefits to the patients in the form of less post-operative pain, shorter time in hospital.
Adenomyosis
;
Cervical Intraepithelial Neoplasia
;
Colpotomy
;
Endometriosis
;
Female
;
Fistula
;
Humans
;
Hysterectomy*
;
Ileus
;
Leiomyoma
;
Length of Stay
;
Sutures
;
Thrombophlebitis
;
Ureter
;
Urinary Bladder
5.Comparison of Total Laparoscopic Hysterectomy with Laparoscopic-Assisted Vaginal Hysterectomy and Total Abdominal Hysterectomy.
Hyunjung PARK ; Jongwook DO ; Yongwoo LEE ; Sheenae KIM ; Jiyoun CHUNG ; Jongsoo MOON ; Pongrheem JANG ; Yongil KWON
Korean Journal of Obstetrics and Gynecology 2006;49(3):644-652
The objective of this study is to evaluate short-term results of total laparoscopic hysterectomy with those of total abdominal hysterectomy and laparoscopically assisted vaginal hysterectomy in a retrospective study. We compared patient's age, mean uterine weight, total operating time, length of hospital stay and perioperative hemoglobin concentration change between total laparoscopic hysterectomy (300 patients) and total abdominal hysterectomy (100 patients) and laparoscopically assisted vaginal hysterectomy (52 patients). There were no differences in terms of patient's age, parity between the three groups. There were 7 minor complications in the laparoscopically assisted vaginal hysterectomy group compared with 9 minor complications in the abdominal hysterectomy group and 14 minor complications in the total laparoscopic hysterectomy group (P not significant). The length of hospital stay was significantly shorter for total laparoscopic hysterectomy than laparoscopically assisted vaginal hysterectomy and total abdominal hysterectomy (p<.001). This study demonstrates that laparoscopic-assisted vaginal hysterectomy and total laparoscopic hysterectomy appears to be as safe as laparotomy and may replace abdominal hysterectomy in most patients and generally has the advantage of shorter hospital stay and earlier return to normal activities.
Female
;
Humans
;
Hysterectomy*
;
Hysterectomy, Vaginal*
;
Laparotomy
;
Length of Stay
;
Parity
;
Retrospective Studies
6.Functional Intracardiac Paraganglioma
Yongwoo CHUNG ; Jae Woong CHOI ; Kyung-Hwan KIM
The Korean Journal of Thoracic and Cardiovascular Surgery 2020;53(2):86-88
A 39-year-old man presented to the department of emergency medicine in Seoul National University Hospital complaining of chest pain, heart palpitation, and headache. Upon arrival, a computed tomography scan showed a 7.0 cm×6.2 cm lesion with the typical features of a paraganglioma. The patient was treated with an alpha-blocker and a beta-blocker prior to surgical intervention. We removed the tumor successfully, and histopathologic findings indicated that the tumor was indeed a paraganglioma. Since intracardiac paraganglioma is a rare disease, we present this case together with a literature review.
7.The Role of Primary Tumor Resection in Patients with Pleural Metastasis Encountered at the Time of Surgery
Samina PARK ; Yongwoo CHUNG ; Hyun Joo LEE ; In Kyu PARK ; Chang Hyun KANG ; Young Tae KIM
The Korean Journal of Thoracic and Cardiovascular Surgery 2020;53(3):114-120
Background:
Evidence is lacking on whether the resection of lung parenchymal cancer improves the survival of patients with unexpected pleural metastasis encountered during surgery. We conducted a single-center retrospective study to determine the role of lung resection in the long-term survival of these patients.
Methods:
Among 4683 patients who underwent lung surgery between 1995 and 2014, 132 (2.8%) had pleural metastasis. After excluding 2 patients who had incomplete medical records, 130 patients’ data were collected. Only a diagnostic pleural and/or lung biopsy was performed in 90 patients, while the lung parenchymal mass was resected in 40 patients.
Results:
The mean follow-up duration was 29.8 months. The 5-year survival rate of the resection group (34.7%±9.4%) was superior to that of the biopsy group (15.9%±4.3%, p=0.016). Multivariate Cox regression analysis demonstrated that primary tumor resection (p=0.041), systemic treatment (p<0.001), lower clinical N stage (p=0.018), and adenocarcinoma histology (p=0.009) were significant predictors of a favorable outcome. Interestingly, primary tumor resection only played a significant prognostic role in patients who received systemic treatment.
Conclusion
When pleural metastasis is unexpectedly encountered during surgical exploration, resection in conjunction with systemic treatment may improve long-term survival, especially in adenocarcinoma patients without lymph node metastasis.