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Orthostatic headache is a hallmark symptom of spontaneous intracranial hypotension (SIH). However, SIH can manifest without headache, which can lead to a significant delay in treatment initiation. We hereby report a 70-year-old male with progressive gait disturbance and superficial siderosis. Magnetic resonance myelography showed an extensive extradural cerebrospinal fluid collection in the cervicothoracic spine. After a series of targeted epidural blood patch, the patient’s symptoms significantly improved. SIH should be considered as a potential cause of otherwise unexplained superficial siderosis to prompt an early diagnosis and treatment.
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Purpose@#: This study aimed to understand and describe the experiences of collaborative practice among health professionals in Korea. @*Methods@#: Data were collected through individual in-depth interviews conducted from January to March 2021 with 10 health professionals in Korea. All interviews were audiotaped and transcribed verbatim. The transcribed data then underwent qualitative content analysis. @*Results@#: Through content analysis, 10 categories and 3 themes were formed. Three themes, “working based on knowledge,” “having difficulty in building collaborative relationships,” and “playing complementary roles” emerged. @*Conclusion@#: The limitation is that the study participants are 10 health professionals in Korea working at healthcare institutions. However, this study is of great significance in that it provided basic data for preparing measures for collaborative practice among health professionals in Korea.
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Amyloidosis is defined as a deposit of amyloid substance. While it rarely occurs in the head and neck region, it is most commonly found in the larynx. Laryngeal amyloidosis can occur in the false vocal cord, ventricle, and glottis etc. The typical feature of laryngeal amyloidosis is a round yellowish submucosal mass. A 72-year-old male presented with voice change that began a couple of years ago. The rigid laryngoscopy showed a whitish patch in the medial and superior surfaces of the left true vocal fold. He was pathologically diagnosed with amyloidosis by laryngeal microsurgery. With a relevant review of literature, we report this case as it demonstrates rare, atypical features of laryngeal amyloidosis.
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Mantle cell lymphoma (MCL) is a rare subtype of B-cell neoplasm and it accounts for about 3~6% of all non-Hodgkin's lymphomas. It occurs mainly in middle-aged or elderly man, involving the extra-nodal sites such as gastrointestinal tract, bone marrow and Waldeyer’s ring. The incidence of the MCL in salivary gland is about 3%. The blastoid MCL is a rare variant and it has a very aggressive clinical course. It is extremely rare to be arising from the parotid gland. To our knowledge, similar case has not been reported in domestic literature, one case has been described in English literature. We experienced a rare and unique disease entity and report it with brief literature review.
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Cluster headache (CH) is characterized by severe unilateral short-lasting headache attacks, accompanying ipsilateral cranial autonomic symptoms or the sense of restlessness and agitation, or both. CH is a highly disabling primary headache disorder but often not optimally treated. High-flow oxygen and parenteral triptans are the most effective treatment to treat an acute CH attack. Transitional treatments include systemic steroid therapy and sub-occipital steroid injection. For preventive therapy, verapamil and lithium are recommended as first-line treatments. Novel treatments have appeared, such as neuromodulation and medication targeting calcitonin gene-related peptide (CGRP) or its receptor. Galcanezumab, the only anti-CGRP receptor monoclonal antibody with proven efficacy for the preventive treatment of episodic CH, represents an important advance for pharmacological treatment of CH. Neuromodulation strategies, such as the non-invasive vagus nerve stimulation and the sphenopalatine ganglion stimulation, have been proven effective in reducing the intensity and frequency of attacks, and also to be safe and well tolerated.
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Background@#and Purpose Epidemiologic data suggest that cluster headache (CH) is significantly associated with cigarette smoking. The aim of this study was to determine differences in features between patients with a smoking history and those who are never-smokers, using data from a prospective multicenter registry. @*Methods@#Data used in this study were obtained from the Korean Cluster Headache Registry that collected data from consecutive patients diagnosed with CH. We compared clinical and demographic features between ever-smokers (current or former smokers) and never-smokers. @*Results@#This study enrolled 250 patients who were diagnosed with CH, of which 152 (60.8%) were ever-smokers and 98 (39.2%) were never-smokers. The age at CH onset was significantly lower in the never-smoker group than in the ever-smoker group [27.1±12.9 years vs. 30.6± 10.9 years (mean±standard deviation), p=0.024]. Seasonal rhythmicity (58.1% vs. 44.7%, p= 0.038) and triptan responsiveness (100% vs. 85.1%, p=0.001) were higher in never-smokers, while other clinical features such as pain severity, duration, attack frequency, and associated autonomic symptoms did not differ significantly between the groups. The male-to-female ratio was markedly higher in ever-smokers (29.4:1) than in never-smokers (1.7:1). @*Conclusions@#Most of the clinical features did not differ significantly between patients with a smoking history and never-smokers. However, the age at CH onset, sex ratio, and seasonal rhythmicity were significantly associated with smoking history.
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Cluster headache (CH) is characterized by severe unilateral short-lasting headache attacks, accompanying ipsilateral cranial autonomic symptoms or the sense of restlessness and agitation, or both. CH is a highly disabling primary headache disorder but often not optimally treated. High-flow oxygen and parenteral triptans are the most effective treatment to treat an acute CH attack. Transitional treatments include systemic steroid therapy and sub-occipital steroid injection. For preventive therapy, verapamil and lithium are recommended as first-line treatments. Novel treatments have appeared, such as neuromodulation and medication targeting calcitonin gene-related peptide (CGRP) or its receptor. Galcanezumab, the only anti-CGRP receptor monoclonal antibody with proven efficacy for the preventive treatment of episodic CH, represents an important advance for pharmacological treatment of CH. Neuromodulation strategies, such as the non-invasive vagus nerve stimulation and the sphenopalatine ganglion stimulation, have been proven effective in reducing the intensity and frequency of attacks, and also to be safe and well tolerated.
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Background@#and Purpose Epidemiologic data suggest that cluster headache (CH) is significantly associated with cigarette smoking. The aim of this study was to determine differences in features between patients with a smoking history and those who are never-smokers, using data from a prospective multicenter registry. @*Methods@#Data used in this study were obtained from the Korean Cluster Headache Registry that collected data from consecutive patients diagnosed with CH. We compared clinical and demographic features between ever-smokers (current or former smokers) and never-smokers. @*Results@#This study enrolled 250 patients who were diagnosed with CH, of which 152 (60.8%) were ever-smokers and 98 (39.2%) were never-smokers. The age at CH onset was significantly lower in the never-smoker group than in the ever-smoker group [27.1±12.9 years vs. 30.6± 10.9 years (mean±standard deviation), p=0.024]. Seasonal rhythmicity (58.1% vs. 44.7%, p= 0.038) and triptan responsiveness (100% vs. 85.1%, p=0.001) were higher in never-smokers, while other clinical features such as pain severity, duration, attack frequency, and associated autonomic symptoms did not differ significantly between the groups. The male-to-female ratio was markedly higher in ever-smokers (29.4:1) than in never-smokers (1.7:1). @*Conclusions@#Most of the clinical features did not differ significantly between patients with a smoking history and never-smokers. However, the age at CH onset, sex ratio, and seasonal rhythmicity were significantly associated with smoking history.
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Mantle cell lymphoma (MCL) is a rare subtype of B-cell neoplasm and it accounts for about 3~6% of all non-Hodgkin's lymphomas. It occurs mainly in middle-aged or elderly man, involving the extra-nodal sites such as gastrointestinal tract, bone marrow and Waldeyer’s ring. The incidence of the MCL in salivary gland is about 3%. The blastoid MCL is a rare variant and it has a very aggressive clinical course. It is extremely rare to be arising from the parotid gland. To our knowledge, similar case has not been reported in domestic literature, one case has been described in English literature. We experienced a rare and unique disease entity and report it with brief literature review.
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Parathyroid carcinoma accounts for about 0.5%-5% of all parathyroid neoplasms. Very rarely, but if the intrathyroidal parathyroid gland is present, the carcinoma can arise in that developmental anomaly. It is very difficult to distinguish a thyroid nodule from an intrathyroidal parathyroid neoplasm with preoperative radiologic and cytologic evaluations. A 59-year-old male was initially evaluated as presenting a follicular thyroid neoplasm accompanied by hyperparathyroidism. He received hemi-thyroidectomy with central neck dissection and subtotal parathyroidectomy. The final pathology evaluation revealed intrathyroidal parathyroid carcinoma and hyperplasia of contralateral parathyroid glands. We report this very rare and unique clinical situation with a literature review.
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Systemic cancer and ischemic stroke are common conditions and two of the most frequent causes of death among the elderly. The association between cancer and stroke has been reported worldwide. Stroke causes severe disability for cancer patients, while cancer increases the risk of stroke. Moreover, cancer-related stroke is expected to increase due to advances in cancer treatment and an aging population worldwide. Because cancer and stroke share risk factors (such as smoking and obesity) and treatment of cancer can increase the risk of stroke (e.g., accelerated atherosclerosis after radiation therapy), cancer may accelerate conventional stroke mechanisms (i.e., atherosclerosis, small vessel disease, and cardiac thrombus). In addition, active cancer and chemotherapy may enhance thrombin generation causing stroke related to coagulopathy. Patients with stroke due to cancer-related coagulopathy showed the characteristics findings of etiologic work ups, D-dimer levels, and infarct patterns. In this review, we summarized the frequency of cancer-related stroke among patients with ischemic stroke, mechanisms of stroke with in cancer patients, and evaluation and treatment of cancer-related stroke. We discussed the possibility of cancer-related stroke as a stroke subtype, and presented the most recent discoveries in the pathomechanisms and treatment of stroke due to cancer-related coagulopathy.
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Background@#and PurposeSleep disturbance is common in patients with primary headache disorders. We were interest in whether poor sleep quality affects patients directly or via increases in the frequency and severity of headaches. To that end, we investigated the direct and indirect effects of sleep quality on the headache-related impact among patients with primary headache disorders. @*Methods@#We analyzed migraine and tension-type headache (TTH) in patients included in the headache registry of our headache clinic from October 2015 to May 2018. We collected information on the headache frequency, severity, and psychological status. Sleep quality and headache-related impact were measured using the Pittsburgh Sleep Quality Index and Headache Impact Test-6, respectively. We performed path analyses with headache frequency and severity as covariates to determine the direct effect of sleep quality on the headache-related impact, and the indirect effects mediated by increases in the headache frequency and severity. @*Results@#This study included 915 patients: 784 with migraine and 131 with TTH. Worse sleep quality was independently associated with greater headache-related impact in both patients with migraine and those with TTH. Path analysis revealed a direct effect (β=0.207,p<0.001) of sleep quality and an indirect effect mediated by headache frequency and severity (β=0.067, p=0.004) on the headache-related impact in migraine. In TTH, only direct effects of sleep quality on the headache-related impact were significant (β=0.224, p=0.004). @*Conclusions@#We suggest that poor sleep quality can directly increase the headache-related impact in both patients with migraine and TTH as well as indirectly by increasing the headache frequency and severity in patients with migraine.
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Background@#Previous studies have shown that elevated ferritin level and neutrophil to lymphocyte ratio (NLR) are risk factors of chronic low-gradeinflammation and contribute to the onset and progression of cardiovascular disease. In addition, metabolic syndrome has a similar relevance; thus,in this study, we aimed to determine how well metabolic syndrome could be predicted by measuring ferritin level and NLR. @*Methods@#From January 2016 to September 2018, 1,815 adults who underwent medical interviews, physical measurements, and blood tests at amedical examination center of a university hospital in Seoul were evaluated. Data were analyzed using the Spearman correlation analysis, anaverage comparison using analysis of variance, and a t test. The prevalence of metabolic syndrome was determined according to ferritin level andNLR. @*Results@#We found a significant correlation between the components of metabolic syndrome and ferritin level, but not NLR. The NLRs were divided intoquartiles for comparison with the mean values of the components of metabolic syndrome, but the results were not significant. A significantdifference was found only in ferritin level when we compared the mean values of ferritin level and NLR according to the presence or absence of ametabolic syndrome diagnosis. When ferritin level and NLR were considered simultaneously, the prevalence of metabolic syndrome tended tochange only when the ferritin level changed. @*Conclusion@#In healthy Korean adults, ferritin level, but not NLR, could be used as a predictor of metabolic syndrome.
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Background@#Body mass index (BMI) has limitations in determining body fat percentage and body fat distribution, and causes misclassification of body fat-defined obesity. As high body fat percentage is associated with mortality, an accurate assessment of body fat percentage is considered clinically important. Recently, Woolcott and Bergman reported a relative fat mass (RFM) equation which calculated the body fat percentage using the height and waist circumferences. However, as RFM has been studied only in European-, Mexican-, and African-Americans, an assessment in Asians was needed. Therefore, we aimed to evaluate the applicability of RFM in Korean adults. @*Methods@#This study included 7,733 adults who visited a Sanggye Paik Hospital Health Promotion Center from May 1, 2016 to November 12, 2018. BMI and RFM were calculated by measuring height, weight, and waist circumference. The total body fat (TBF) percentage was measured by bioelectrical impedance analysis. We compared the BMI, RFM, and TBF percentage to assess the applicability of RFM in Korean adults. @*Results@#RFM had a statistically significant correlation with TBF percentage in both male and female (male: β=0.808, R2=0.653, female: β=0.766, R2=0.587, P<0.001). In the Bland-Altman plot, RFM showed good agreement with the TBF percentage within the 95% confidence interval. @*Conclusion@#The RFM equation can be used to predict TBF percentage in Korean adults.
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A cyst in the accessory parotid gland (APG) is extremely rare, with only three cases having been reported recently in English literature. They were all treated with sclerotherapy, where a cyst may appear as a painless superficial mass in the mid-cheek area. In sclerotherapy, the most commonly used materials are ethanol and OK-432, which report good therapeutic results for the treatment of benign cervical cystic mass. An 85-year-old man came to our clinic with superficial, well-margined ovoid mass on the left cheek. The mass was diagnosed as a benign cyst in APG through imaging studies and core needle biopsy. We performed the ultrasoundguided percutaneous ethanol injection and the cyst disappeared, leaving only the fused cystic wall. We report this very rare and interesting case with a literature review.
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Atraumatic splenic rupture (ASR) in a patient undergoing peritoneal dialysis (PD) is uncommon, but can be life-threatening. According to recent systematic reviews, the major causes of ASR are 1) neoplastic (30.3%), 2) infectious (27.3%), 3) non-infectious inflammatory (20.0%), 4) iatrogenic (9.2%), 5) mechanical (6.8%), and 6) idiopathic (6.4%). It is diagnosed by imaging studies, most commonly ultrasonography and computed tomography (CT). Due to its rarity, the early diagnosis of ASR is difficult, and no standard treatment has been described. Here, we report a case of idiopathic ASR in a patient undergoing PD. The diagnosis was established by abdominal CT scan, and splenectomy was performed. Thus, hemoperitoneum in a PD patient should raise suspicion of ASR. Early diagnosis and appropriate treatment will lead to a better outcome.
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Humanos , Diagnóstico , Diagnóstico Precoce , Hemoperitônio , Diálise Peritoneal , Esplenectomia , Ruptura Esplênica , Tomografia Computadorizada por Raios X , UltrassonografiaRESUMO
BACKGROUND AND PURPOSE: Cluster headache (CH) can present with migrainous symptoms such as nausea, photophobia, and phonophobia. In addition, an overlap between CH and migraine has been reported. This study aimed to determine the differences in the characteristics of CH according to the presence of comorbid migraine. METHODS: This study was performed using data from a prospective multicenter registry study of CH involving 16 headache clinics. CH and migraine were diagnosed by headache specialists at each hospital based on third edition of the International Classification of Headache Disorders (ICHD-3). We interviewed patients with comorbid migraine to obtain detailed information about migraine. The characteristics and psychological comorbidities of CH were compared between patients with and without comorbid migraine. RESULTS: Thirty (15.6%) of 192 patients with CH had comorbid migraine, comprising 18 with migraine without aura, 1 with migraine with aura, 3 with chronic migraine, and 8 with probable migraine. Compared to patients with CH without migraine, patients with CH with comorbid migraine had a shorter duration of CH after the first episode [5.4±7.4 vs. 9.0±8.2 years (mean±standard deviation), p=0.008], a lower frequency of episodic CH (50.0% vs. 73.5%, p=0.010), and a higher frequency of chronic CH (13.3% vs. 3.7%, p=0.033). Psychiatric comorbidities did not differ between patients with and without comorbid migraine. The headaches experienced by patients could be distinguished based on their trigeminal autonomic symptoms, pulsating character, severity, and pain location. CONCLUSIONS: Distinct characteristics of CH remained unchanged in patients with comorbid migraine with the exception of an increased frequency of chronic CH. The most appropriate management of CH requires clinicians to check the history of preceding migraine, particularly in cases of chronic CH.
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Humanos , Classificação , Cefaleia Histamínica , Comorbidade , Cefaleia , Transtornos da Cefaleia , Hiperacusia , Transtornos de Enxaqueca , Enxaqueca com Aura , Enxaqueca sem Aura , Náusea , Fotofobia , Estudos Prospectivos , EspecializaçãoRESUMO
Renal cortical necrosis (RCN) is patchy or diffuse ischemic destruction of the renal cortex caused by significantly reduced renal arterial perfusion. It is a rare cause of acute kidney injury (AKI) and is associated with high mortality. Here, we review the case of RCN in a 15-year-old boy who developed AKI. A 15-year-old boy was referred to our hospital from a local hospital due to a sharp decrease in his renal function. He presented with acute flank pain, nausea with vomiting, and oliguria for the past two days. He had taken a single dose of antihistamine for nasal congestion. At our hospital, his peak blood pressure was 148/83 mmHg and he had a high body mass index of 32.9 kg/m². The laboratory data showed a blood urea nitrogen (BUN) of 28.4 mg/dL, a creatinine of 4.26 mg/dL, and a glomerular filtration rate estimated from the serum cystatin C of 20.2 mL/min/1.73m². Proteinuria (spot urine protein to creatinine ratio 1.66) with pyuria was observed. Kidney sonography showed parenchymal swelling and increased renal echogenicity. Due to rapidly progressing nephritis, steroid pulse therapy (750 mg/IV) was done on the second day of his admission and the patient showed complete recovery with normal renal function. However, the kidney biopsy findings revealed renal cortical hemorrhagic necrosis. Multifocal, relatively well-circumscribed, hemorrhagic necrotic areas (about 25%) were detected in the tubulointerstitium. Although RCN is an unusual cause of AKI, especially in children, pediatricians should consider the possibility of RCN when evaluating patients with rapidly decreasing renal function.
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Adolescente , Criança , Humanos , Masculino , Injúria Renal Aguda , Biópsia , Pressão Sanguínea , Nitrogênio da Ureia Sanguínea , Índice de Massa Corporal , Creatinina , Cistatina C , Estrogênios Conjugados (USP) , Dor no Flanco , Taxa de Filtração Glomerular , Rim , Necrose do Córtex Renal , Mortalidade , Náusea , Necrose , Nefrite , Obesidade , Oligúria , Perfusão , Proteinúria , Piúria , VômitoRESUMO
Atraumatic splenic rupture (ASR) in a patient undergoing peritoneal dialysis (PD) is uncommon, but can be life-threatening. According to recent systematic reviews, the major causes of ASR are 1) neoplastic (30.3%), 2) infectious (27.3%), 3) non-infectious inflammatory (20.0%), 4) iatrogenic (9.2%), 5) mechanical (6.8%), and 6) idiopathic (6.4%). It is diagnosed by imaging studies, most commonly ultrasonography and computed tomography (CT). Due to its rarity, the early diagnosis of ASR is difficult, and no standard treatment has been described. Here, we report a case of idiopathic ASR in a patient undergoing PD. The diagnosis was established by abdominal CT scan, and splenectomy was performed. Thus, hemoperitoneum in a PD patient should raise suspicion of ASR. Early diagnosis and appropriate treatment will lead to a better outcome.
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Angioimmunoblastic T-cell lymphoma (AITL) is a rare subtype of malignant lymphoma (ML), accounting for only 1 to 2% of all non-Hodgkin's lymphoma (NHL). Although ML of the parotid gland is rare, the majority are B-cell types. The AITL occurring synchronously in the parotid gland and lateral neck has not been reported earlier. It is classified as a high-grade malignancy with aggressive clinical features, and the prognosis is worse than any other type of NHL. We recently encountered a 72-year-old man with multiple mass on the ipsilateral parotid tail and lateral neck, and he was finally diagnosed as AITL. We report the unique and rare disease entity with a brief literature review.