1.Primary Cholangiocarcinoma of the Liver Presenting as a Complicated Hepatic Cyst: A Diagnostic Challenge
Chang Won HA ; Sang Deok SHIN ; Myung Ji GOH ; Byeong Geun SONG ; Wonseok KANG ; Dong Hyun SINN ; Geum-Youn GWAK ; Yong-Han PAIK ; Moon Seok CHOI ; Joon Hyeok LEE
The Korean Journal of Gastroenterology 2025;85(1):83-88
Primary cholangiocarcinoma is a rare bile duct epithelial neoplasm that can present with atypical clinical manifestations, complicating its diagnosis. A 62-year-old male showed symptoms suggestive of a complicated hepatic cyst that was later identified as intrahepatic cholangiocarcinoma. The patient presented with abdominal discomfort without fever. Imaging revealed a large cystic lesion in the liver. Despite the initial treatment for a presumed abscess, a biopsy confirmed cholangiocarcinoma. This case highlights the diagnostic challenge of distinguishing between benign complicated hepatic cysts and malignancies, particularly when typical markers of infection are absent. Early biopsy and vigilant assessments are crucial in such presentations to avoid a delayed diagnosis and initiate appropriate treatment.
2.Miliary Tuberculosis Initially Presenting as an Isolated Hepatic Abscess
Chang Won HA ; Sang Deok SHIN ; Myung Ji GOH ; Byeong Geun SONG ; Wonseok KANG ; Dong Hyun SINN ; Geum-Youn GWAK ; Yong-Han PAIK ; Moon Seok CHOI ; Joon Hyeok LEE
The Korean Journal of Gastroenterology 2025;85(1):78-82
Hepatic tuberculosis, typically associated with miliary tuberculosis, can occasionally present as localized liver lesions. This case report describes a 77-year-old male presenting with persistent abdominal pain and fever, following an endoscopic retrograde cholangiopancreatography for bile duct sludge removal. Subsequent computed tomography revealed focal liver lesions. Despite initial treatment with antibiotics for a suspected inflammatory liver abscess, his condition did not improve. A liver biopsy was performed, revealing caseous granulomas, and the tuberculosis polymerase chain reaction result was positive. The patient was diagnosed with primary hepatic tuberculosis, which later disseminated. Oral anti-tuberculosis therapy was initiated and is currently being closely monitored. This case emphasizes the importance of considering hepatic tuberculosis in the differential diagnosis of liver lesions, particularly in cases involving cholestatic liver function tests, and persistent symptoms unresponsive to conventional antibiotics.
3.Acute dual therapeutic effects of the BKCa channel opener LDD175 on erectile dysfunction and lower urinary tract symptoms in chronic pelvic ischemia: a preliminary study.
Jiwoong YU ; Mee Ree CHAE ; Deok Hyun HAN ; Su Jeong KANG ; Jimin SHIN ; Hyun Hwan SUNG
Asian Journal of Andrology 2025;27(6):714-722
Recent studies have revealed a significant relationship between erectile dysfunction (ED) and lower urinary tract symptoms (LUTS), both of which commonly affect middle-aged and older men. These conditions share underlying causes, particularly endothelial dysfunction, atherosclerosis, and chronic pelvic ischemia (CPI). This study investigated the therapeutic potential of LDD175, a large-conductance Ca 2+ -activated K + channel (BKCa channel) opener, in simultaneously treating both conditions using a CPI animal model of male Sprague Dawley rats. Our study investigated the induction of CPI through surgical endothelial damage combined with a high-cholesterol diet. We assessed erectile and voiding functions by measuring intracavernosal pressure (ICP) and intraurethral pressure (IUP), respectively, after nerve stimulation. We performed histological examinations of vascular changes and western blot analyses of cavernous and prostate tissues to understand the underlying mechanisms. This study evaluated the effectiveness of LDD175 compared to standard treatments, such as sildenafil for ED and tamsulosin for LUTS. Therefore, the CPI model successfully demonstrated ED and LUTS symptoms with decreased ICP and increased IUP. Analysis revealed elevated levels of hypoxia-inducible factor-1α, transforming growth factor-β1 and β2 in cavernous tissue, and increased α1A-adrenoceptor expression in prostate tissue. LDD175 administration showed promising results, with dose-dependent improvements in ICP and IUP, and therapeutic effects comparable to those of established treatments. Our findings suggest a novel therapeutic approach that can simultaneously address ED and LUTS, opening new possibilities for clinical application in the treatment of these interconnected conditions.
Male
;
Animals
;
Erectile Dysfunction/etiology*
;
Rats, Sprague-Dawley
;
Lower Urinary Tract Symptoms/etiology*
;
Ischemia/drug therapy*
;
Rats
;
Tamsulosin
;
Hypoxia-Inducible Factor 1, alpha Subunit/drug effects*
;
Sildenafil Citrate/therapeutic use*
;
Penis/blood supply*
;
Disease Models, Animal
;
Transforming Growth Factor beta1/metabolism*
;
Pelvis/blood supply*
;
Prostate/metabolism*
;
Sulfonamides/therapeutic use*
;
Large-Conductance Calcium-Activated Potassium Channels/agonists*
4.Primary Cholangiocarcinoma of the Liver Presenting as a Complicated Hepatic Cyst: A Diagnostic Challenge
Chang Won HA ; Sang Deok SHIN ; Myung Ji GOH ; Byeong Geun SONG ; Wonseok KANG ; Dong Hyun SINN ; Geum-Youn GWAK ; Yong-Han PAIK ; Moon Seok CHOI ; Joon Hyeok LEE
The Korean Journal of Gastroenterology 2025;85(1):83-88
Primary cholangiocarcinoma is a rare bile duct epithelial neoplasm that can present with atypical clinical manifestations, complicating its diagnosis. A 62-year-old male showed symptoms suggestive of a complicated hepatic cyst that was later identified as intrahepatic cholangiocarcinoma. The patient presented with abdominal discomfort without fever. Imaging revealed a large cystic lesion in the liver. Despite the initial treatment for a presumed abscess, a biopsy confirmed cholangiocarcinoma. This case highlights the diagnostic challenge of distinguishing between benign complicated hepatic cysts and malignancies, particularly when typical markers of infection are absent. Early biopsy and vigilant assessments are crucial in such presentations to avoid a delayed diagnosis and initiate appropriate treatment.
5.Miliary Tuberculosis Initially Presenting as an Isolated Hepatic Abscess
Chang Won HA ; Sang Deok SHIN ; Myung Ji GOH ; Byeong Geun SONG ; Wonseok KANG ; Dong Hyun SINN ; Geum-Youn GWAK ; Yong-Han PAIK ; Moon Seok CHOI ; Joon Hyeok LEE
The Korean Journal of Gastroenterology 2025;85(1):78-82
Hepatic tuberculosis, typically associated with miliary tuberculosis, can occasionally present as localized liver lesions. This case report describes a 77-year-old male presenting with persistent abdominal pain and fever, following an endoscopic retrograde cholangiopancreatography for bile duct sludge removal. Subsequent computed tomography revealed focal liver lesions. Despite initial treatment with antibiotics for a suspected inflammatory liver abscess, his condition did not improve. A liver biopsy was performed, revealing caseous granulomas, and the tuberculosis polymerase chain reaction result was positive. The patient was diagnosed with primary hepatic tuberculosis, which later disseminated. Oral anti-tuberculosis therapy was initiated and is currently being closely monitored. This case emphasizes the importance of considering hepatic tuberculosis in the differential diagnosis of liver lesions, particularly in cases involving cholestatic liver function tests, and persistent symptoms unresponsive to conventional antibiotics.
6.Primary Cholangiocarcinoma of the Liver Presenting as a Complicated Hepatic Cyst: A Diagnostic Challenge
Chang Won HA ; Sang Deok SHIN ; Myung Ji GOH ; Byeong Geun SONG ; Wonseok KANG ; Dong Hyun SINN ; Geum-Youn GWAK ; Yong-Han PAIK ; Moon Seok CHOI ; Joon Hyeok LEE
The Korean Journal of Gastroenterology 2025;85(1):83-88
Primary cholangiocarcinoma is a rare bile duct epithelial neoplasm that can present with atypical clinical manifestations, complicating its diagnosis. A 62-year-old male showed symptoms suggestive of a complicated hepatic cyst that was later identified as intrahepatic cholangiocarcinoma. The patient presented with abdominal discomfort without fever. Imaging revealed a large cystic lesion in the liver. Despite the initial treatment for a presumed abscess, a biopsy confirmed cholangiocarcinoma. This case highlights the diagnostic challenge of distinguishing between benign complicated hepatic cysts and malignancies, particularly when typical markers of infection are absent. Early biopsy and vigilant assessments are crucial in such presentations to avoid a delayed diagnosis and initiate appropriate treatment.
7.Miliary Tuberculosis Initially Presenting as an Isolated Hepatic Abscess
Chang Won HA ; Sang Deok SHIN ; Myung Ji GOH ; Byeong Geun SONG ; Wonseok KANG ; Dong Hyun SINN ; Geum-Youn GWAK ; Yong-Han PAIK ; Moon Seok CHOI ; Joon Hyeok LEE
The Korean Journal of Gastroenterology 2025;85(1):78-82
Hepatic tuberculosis, typically associated with miliary tuberculosis, can occasionally present as localized liver lesions. This case report describes a 77-year-old male presenting with persistent abdominal pain and fever, following an endoscopic retrograde cholangiopancreatography for bile duct sludge removal. Subsequent computed tomography revealed focal liver lesions. Despite initial treatment with antibiotics for a suspected inflammatory liver abscess, his condition did not improve. A liver biopsy was performed, revealing caseous granulomas, and the tuberculosis polymerase chain reaction result was positive. The patient was diagnosed with primary hepatic tuberculosis, which later disseminated. Oral anti-tuberculosis therapy was initiated and is currently being closely monitored. This case emphasizes the importance of considering hepatic tuberculosis in the differential diagnosis of liver lesions, particularly in cases involving cholestatic liver function tests, and persistent symptoms unresponsive to conventional antibiotics.
8.National trends in surgical treatment and clinical outcomes among patients with aneurysmal subarachnoid hemorrhage in the Republic of Korea
Yung Ki PARK ; Byul-Hee YOON ; Eui-Hyun HWANG ; Jae Hoon KIM ; Hee In KANG ; Yu Deok WON ; Jin Whan CHEONG
Journal of Cerebrovascular and Endovascular Neurosurgery 2025;27(1):19-32
Objective:
In this study, changes in treatment methods and patient prognosis were analyzed using a Korean nationwide medical insurance information database.
Methods:
Patients with subarachnoid hemorrhage who received surgical treatment for cerebral aneurysm from 2005 to 2020 were included. The specific surgery type was classified using the surgical code and according to whether stents were used. Yearly trends in mortality rates and poor prognosis, using tracheostomy as proxy, were analyzed by a simple regression analysis. A multistep logistic regression analysis was performed to evaluate the risk factors of mortality and poor prognosis.
Results:
Overall, 83,587 patients were included. Females were predominant (64.5%). Microsurgical clip usage rate decreased by approximately two-thirds from 78.8% in 2005 to 24.4% in 2020. Contrarily, endovascular treatment proportion gradually increased, and stent-assisted coil embolization rate surpassed microsurgical clip usage rate in 2020 (24.6% vs. 24.4%). In the multivariate analysis, endovascular treatment correlated positively with 3-month mortality (hazard ratio [HR]: 1.13, 95% confidence interval [CI]: 1.07–1.19, P<0.0001), although correlated negatively with poor prognosis (tracheostomy) (HR: 0.93, 95% CI: 0.89–0.98, P=0.0050).
Conclusions
According to the treatment trend analysis, during the 16 years studied, for patients with subarachnoid hemorrhage due to ruptured cerebral aneurysm, the endovascular treatment rate increased rapidly and stent-assisted coil embolization rate surpassed that of microsurgical clip ligation. Diversification of treatment methods has led to a decrease in mortality and improved prognosis.
9.Primary Cholangiocarcinoma of the Liver Presenting as a Complicated Hepatic Cyst: A Diagnostic Challenge
Chang Won HA ; Sang Deok SHIN ; Myung Ji GOH ; Byeong Geun SONG ; Wonseok KANG ; Dong Hyun SINN ; Geum-Youn GWAK ; Yong-Han PAIK ; Moon Seok CHOI ; Joon Hyeok LEE
The Korean Journal of Gastroenterology 2025;85(1):83-88
Primary cholangiocarcinoma is a rare bile duct epithelial neoplasm that can present with atypical clinical manifestations, complicating its diagnosis. A 62-year-old male showed symptoms suggestive of a complicated hepatic cyst that was later identified as intrahepatic cholangiocarcinoma. The patient presented with abdominal discomfort without fever. Imaging revealed a large cystic lesion in the liver. Despite the initial treatment for a presumed abscess, a biopsy confirmed cholangiocarcinoma. This case highlights the diagnostic challenge of distinguishing between benign complicated hepatic cysts and malignancies, particularly when typical markers of infection are absent. Early biopsy and vigilant assessments are crucial in such presentations to avoid a delayed diagnosis and initiate appropriate treatment.
10.Miliary Tuberculosis Initially Presenting as an Isolated Hepatic Abscess
Chang Won HA ; Sang Deok SHIN ; Myung Ji GOH ; Byeong Geun SONG ; Wonseok KANG ; Dong Hyun SINN ; Geum-Youn GWAK ; Yong-Han PAIK ; Moon Seok CHOI ; Joon Hyeok LEE
The Korean Journal of Gastroenterology 2025;85(1):78-82
Hepatic tuberculosis, typically associated with miliary tuberculosis, can occasionally present as localized liver lesions. This case report describes a 77-year-old male presenting with persistent abdominal pain and fever, following an endoscopic retrograde cholangiopancreatography for bile duct sludge removal. Subsequent computed tomography revealed focal liver lesions. Despite initial treatment with antibiotics for a suspected inflammatory liver abscess, his condition did not improve. A liver biopsy was performed, revealing caseous granulomas, and the tuberculosis polymerase chain reaction result was positive. The patient was diagnosed with primary hepatic tuberculosis, which later disseminated. Oral anti-tuberculosis therapy was initiated and is currently being closely monitored. This case emphasizes the importance of considering hepatic tuberculosis in the differential diagnosis of liver lesions, particularly in cases involving cholestatic liver function tests, and persistent symptoms unresponsive to conventional antibiotics.

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