1.A Study of Hair Growth in Korean.
Young Pio KIM ; Hae Cherl NAH ; Sun Wook HWANG ; Inn Ki CHUN ; Hyung Son SOHN
Korean Journal of Dermatology 1984;22(1):30-33
The hair growth of the scalp is influenced by many systemic and local factors. So the study of standard hair growth rate is very important for the diagnosis and treatment of some pathological conditions. That study has not been done well in Korea. The present study was to establish the standard hair growth rate of the scalp of healthy Koreans at different ages. The investigations were carried out on 509 individuals of both sexes whose ages ranged between 2 and 69 years. The subjects were grouped according to 5 age periods. The results of this study were as follows: 1. The mean value of the daily scalp hair growth rate was 0.401+ 0.037mm. 2. The daily hair growth rate of each groups were as follows: under 10 years of age; 0.367+0.032mm, in the teenagers; 0.419,+0. 032mm, in the twenties0.398+0.037mm, in the thirties and fourties; 0.394+0.034mm, above 50 years of age 0.386+029mm. 3. Sex differences of each age groups in the scalp hair growth were not statistically significant.
Adolescent
;
Diagnosis
;
Hair*
;
Humans
;
Korea
;
Scalp
;
Sex Characteristics
2.The Frequency and Clinical Observation of Ota's Nevus.
Sun Wook HWANG ; Tae Bock CHUNG ; Hyung Son SOHN ; Young Pio KIM
Korean Journal of Dermatology 1984;22(1):22-26
The clinical observation was done on 126 patients of Ota's nevus, 113 of whom were seen at Department of Dermatology, Chonnam National University Hospital from January 1973 through July 1983, and 13 of whom were found among 45, 87l male and female students of high school in Kwangju City, Korea. The results obtained were as follows: 1. The incidence of male and female students of Ota's nevus were respectively 0. 013% and 0.043%, with the incidence,as a whole being 0.03%, whereas the frequency of Ota's nevus among the outpatients was 0. 24% with the ratio of male to female being 1: 2. 67. 2. There was only one family of familial occurrence, in which 2 sisters were involved among 5 siblings. 3. Thirty three percent of Ota's nevus showed the onset at birth. 4. According to Tanino's classification, our patients showed that Type II was 41.7% and then Type Ia, III, Ib, and IV being respectively 33. 3%, 16. 7, 4.2, and 4. 2%. 5. Seleral involvement was 54.2%, especially in type III and Type II. 6. The color was increased in 54%, especially Type II by internal and external factors such as fatigue, warm temperature, menstruation and cold temperature. 7. The color intensification was prominent at the age of 10 to 14.
Classification
;
Cold Temperature
;
Dermatology
;
Fatigue
;
Female
;
Gwangju
;
Humans
;
Incidence
;
Jeollanam-do
;
Korea
;
Male
;
Menstruation
;
Nevus of Ota*
;
Outpatients
;
Parturition
;
Siblings
3.A Case of Thrombocytopenia and Purpura Induced by Rifamnpin, Pyrazinamide, and Ciprofloxacin.
Hyung Dae SON ; Chang Sun KIM ; Mi Ran PARK ; Ji Yung SEO ; Nam Soo RHEU ; Dong ll CHO
Tuberculosis and Respiratory Diseases 1997;44(4):930-934
Drug-induced thrombocytopenia and purpura have boon developed by many various agents. Rifampin and Pyrazinamide have been known as bactericidal antituberculous drugs, but, the above side effects have been a problem. Especially, hematologic side effects art fatal to patients occasionally. Rifampin-induced thrombocytopenia and purpura have been well known, also, pyrazinamide-induced thrombocytopenia have been reported. A new quilonone agent Ciprofloxacin, has been commonly used in clinics now, but it's side effects are not known well. So, we report a case of a 23-year-old female with thrombocytopenia and purpura after taking Rifampin, Pyrazinamide, and Ciprofloxacin as antituberculous agents.
Ciprofloxacin*
;
Female
;
Humans
;
Purpura*
;
Pyrazinamide*
;
Rifampin
;
Thrombocytopenia*
;
Young Adult
4.Diagnosis of Functional Nasolacrimal Duct Obstruction Using Dacryoscintigraphy.
Hyun Wook LIM ; Hyung Sun SON ; Eui Nyung KIM ; Yong An JUNG ; Sung Hoon KIM ; Soo Gyo JUNG
Korean Journal of Nuclear Medicine 2000;34(6):508-515
PURPOSE: To evaluate the value of dacryoscintigraphy in the assessment of patients with a clinical diagnosis of functional nasolacrimal duct obstruction. MATERIALS AND METHODS: Dacryoscintigraphy was performed in symptomatic 35 lacrimal drainage systems in 18 patients (age range: 37~76, 8 males, 10 females) that were patent on syringing. RESULTS: Abnormalities were detected with dacryoscintigraphy in 75.8% of systems. The positive scintigrams were subdivided into those demonstrating prelacrimal sac delay (31.8%), delay at the lacrimal sac/junction (40.9%), or delay within the duct (27%). CONCLUSION: Dacryoscintigraphy is noninvasive useful technique in the assessment of the functional nasolacrimal duct obstruction and very sensitive at detecting abnormalities in patients with lid laxity caused by senile change and facial nerve palsy.
Diagnosis*
;
Drainage
;
Facial Nerve
;
Humans
;
Male
;
Nasolacrimal Duct*
;
Paralysis
5.SPECT Imaging of Dopamine Transporter with I-123 IPT in Normal Controls and Parkinson's Patients.
Hyung Sun SOHN ; Euy Neyng KIM ; Kyung Jin LEE ; Hyung Keun RHA ; Byung Chul SON ; Chang Rhack CHOI
Journal of Korean Neurosurgical Society 2001;30(3):342-348
OBJECTIVES: Dopamine transporter concentrations have been known to decrease in Parkinson's disease(PD). The aim of the present study was to evaluate the correlation between SPECT measurements of [I-123]N-(3-iodopropene-2-yl)-2beta-carbomethoxy-3beta-(4-chlorophenyl) tropane(IPT) as an imaging agent for measuring changes in transporter concentrations with PD. PATIENTS AND METHODS:IPT labelled with 4.87+/-1.29mCi(180.19+/-47.73 MBq) of [I-123] was intravenously injected into 23 patients(age:58+/-12) with PD and three normal controls(NC)(age:37+/-7) as bolus. Brain SPECT were then performed at 1 hour and 2 hours after injection on a double headed camera. The statistical parameters were the contrast ratio of left basal ganglia(BG) and right basal ganglia to occipital cortex(OCC) per milli curies of injected radiotracer at 1 hour and 2 hours. The correlations were evaluated between these parameters and Hoehn-Yahr classification of the patients. RESULTS: The(BG-OCC)/OCC/mCi ratios at 1 hour and 2 hours for PD and NC were 0.14+/-0.07 and 0.27+/-0.07(1 hour) and 0.12+/-0.07 and 0.34+/-0.04(2 hour), respectively. The(BG-OCC)/OCC/mCi ratios of Parkinson's disease were decreased with higher grade of Hoehn-Yahr classification of the patients. The ratio between BG and OCC for PD were clearly separated from NC and may be useful outcome measures for clinical diagnosis. CONCLUSION: The findings suggest that IPT may be a very useful tracer for early diagnosis and treatment of PD and study of dopamine re-uptake site.
Basal Ganglia
;
Brain
;
Classification
;
Diagnosis
;
Dopamine Plasma Membrane Transport Proteins*
;
Dopamine*
;
Early Diagnosis
;
Head
;
Humans
;
Outcome Assessment (Health Care)
;
Parkinson Disease
;
Tomography, Emission-Computed, Single-Photon*
6.A Case of Superficial Epithelioma with Sebaceous Differentiation.
Mi Sun KIM ; Hyung Sik MOON ; Kun PARK ; Jong Eun JOO ; Sook Ja SON
Korean Journal of Dermatology 2009;47(2):208-211
Superficial epithelioma with sebaceous differentiation (SESD) is a histologically distinct, rare, benign neoplasm characterized by a superficial plate-like proliferation of basaloid cells with broad attachments to the overlying epidermis. Clusters of sebaceous cells were present within the lobules. We herein report a case of SESD in a 73-year-old female.
Aged
;
Carcinoma
;
Epidermis
;
Female
;
Humans
7.A Case of Milia en Plaque on Upper Extremity.
Hyung Sik MOON ; Hong Sun LEE ; Kun PARK ; Sook Ja SON
Korean Journal of Dermatology 2008;46(3):405-407
Milia en plaque is characterized by multiple milia-like lesions within an erythematous plaque. Milia en plaque is a rarely reported entity which usually appears in the auricular region. We report the case of a 72-year-old woman who presented with milia en plaque on the left arm after NSAIDs injection. This is a rare case because there are no records of Milia en Plaque occurring on an arm in Korea.
Aged
;
Anti-Inflammatory Agents, Non-Steroidal
;
Arm
;
Female
;
Humans
;
Upper Extremity
8.Two Cases of Cutaneous Sinus Tract of Dental Origin.
Hyung Sik MOON ; Hong Sun LEE ; Kun PARK ; Sook Ja SON
Korean Journal of Dermatology 2008;46(9):1275-1278
Cutaneous sinus tract of dental origin usually arises from chronic dental infection. Because many patients with these lesions do not have any complaints of oral symptoms, the lesions are often diagnosed incorrectly and overlooked. We report two cases of cutaneous sinus tract of dental origin. One case on nasolabial fold originated from the maxillary canine periapical abscess. Another case on the mandible originated from the mandibular 2nd premolar periapical abscess. Endodontic root canal therapy resulted in complete healing of the lesions in both cases. Early correct diagnosis and treatment of the lesions can prevent unnecessary and ineffective antibiotic therapy or surgical treatment.
Bicuspid
;
Humans
;
Mandible
;
Nasolabial Fold
;
Periapical Abscess
;
Root Canal Therapy
9.Desflurane-induced Hemodynamic Changes in Patients with Hypertension.
Eun Ah KIM ; Jung Woo LEE ; Hyung Sun LIM ; Ji Seon SON ; Seong Hoon KO
Korean Journal of Anesthesiology 2007;52(5):516-520
BACKGROUND: A rapid increase in the desflurane concentration induces tachycardia and hypertension and increases the plasma catecholamine concentration. This study compared the desflurane-induced hemodynamic responses in hypertensive patients with those of normotensive patients. METHODS: Sixty patients, 30 normotensive patient (group 1) and 30 hypertensive patients (group 2), were scheduled to undergo elective surgery under general anesthesia. The hypertensive patients have been taking regular antihypertensive drugs and their blood pressure and heart rate was well controlled. Thirty normotensive patients were not premedicated. The inspired concentration of desflurane through the mask was increased abruptly to 12.0 vol%. The target was to produce an end-tidal concentration of desflurane (ETdesf) of 10.0 vol% which was maintained until the end of the study by adjusting the vaporizer dial setting. The heart rate (HR), blood pressure (BP), cardiac index (CI), systemic vascular resistance (SVR), ETdesf, end-tidal concentration of carbon dioxide, and peripheral oxygen saturation were measured at the baseline and every 30 seconds for 5 minutes after inhaling of desflurane and for 2 minutes after intubation. RESULTS: The HR, BP, and CI increased significantly in the two groups compared with the baseline. However, the HR, blood pressure, CI, SVR, and ETdesf were similar in both groups. In addition, there were no significant differences of hemodynamic changes between the beta-blocker and the calcium channel blocker in the hypertensive patients. CONCLUSIONS: In patients with well-controlled hypertension, the hemodynamic responses to desflurane are similar to those in normotensive patients.
Anesthesia, General
;
Antihypertensive Agents
;
Blood Pressure
;
Calcium Channels
;
Carbon Dioxide
;
Heart Rate
;
Hemodynamics*
;
Humans
;
Hypertension*
;
Inhalation
;
Intubation
;
Masks
;
Nebulizers and Vaporizers
;
Oxygen
;
Plasma
;
Tachycardia
;
Vascular Resistance
10.Pallidotomy Guided by MRI and Microrecording for Parkinson's Disease.
Kyung Jin LEE ; Hyung Sun SON ; Sung Chan PARK ; Kyung Keun CHO ; Hae Kwan PARK ; Chang Rak CHOI
Journal of Korean Neurosurgical Society 2001;30(1):41-46
OBJECTIVE: The exact position of the lesion during the pallidotomy is critical to obtain the clinical improvement of parkinson's disease without damage to surrounding structure. Ventriculogrphy, CT(computed tomograpy) or MRI(magnetic resonance imaging) have been used to determine the initial coordinates of stereotactic target for pallidotomy. The goal of this study was to determine whether microelectrode recording significantly improves the neurophysiologic localization of the target obtained from MRI. METHODS: Twenty patients were studied. They underwent a unilateral pallidotomy. Leksell frame was applied and T1 axial images parallel to the AC-PC(anterior commissure-posterior commissure) plane using a 1.5 Tesla MRI with 3mm slice thickness were obtained. Anteroposterior coordinate of target was chosen at 2mm in front of the midcommissural point and lateral coordinate between 19 and 22mm from the midline. The vertical coordinate was calculated on coronal slice using a fast spin echo inversion recovery sequence(FSEIR) related to the position of the choroidal fissure and ranged over 4-5mm below the AC-PC plane. Confirmation of the anatomical target was done on axial slices using the same FSEIR sequence. Microrecording was done at the pallidum contralateral to the symptomatic side using an electrode with a tip diameter of 1nm diameter tip and 1.1-1.4 mOhm impedance at 1000Hz. Electrophysiologic localization of the target was also confirmed intraoperatively by macrostimulation. RESULTS: Microrecording techniques were reliable to define the transition from the base of the pallidum which was characterized by the disappearance of spike activity and by the change of the audible background activity. Signals from high amplitude neurons firing at 200-400Hz were recorded in the pallidal base. X, Y and Z coordinates of target obtained from the MRI were within 1mm from the X, Y, Z coordinates obtained with microrecording in 16 patients (80%), 15 patients(75%), 10 patients(50%) respectively. The difference of Y coordinate between on MRI and on microrecording was 4mm in only one patient. CONCLUSION: The MRI was accurate to localize the target within 1mm of the error from microrecording target in 70% of the patients. 4mm discrepancy was observed only once. We conclude that MRI alone can be used to determine the target for pallidotomy in most patients. However, microrecording technique can still be extremely valuable in patents with aberrant anatomy or unusual MRI coordinates. We also consider physiologic confirmation of the target using macrostimulation to be mandatory in all cases.
Choroid
;
Electric Impedance
;
Electrodes
;
Fires
;
Humans
;
Magnetic Resonance Imaging*
;
Microelectrodes
;
Neurons
;
Pallidotomy*
;
Parkinson Disease*