Hanlim Choi

Chungbuk National University · Surgery

Spontaneously ruptured hepatocellular carcinoma (srHCC) is a life-threatening disease. The prognosis of patients with srHCC after hepatectomy remains unclear. This study aimed to investigate the prognosis and recurrence after hepatectomy in patients with srHCC. From 2015 to 2020, a retrospective analysis of patients with srHCC who underwent hepatec...

We investigated the clinical implications of the mean corpuscular volume (MCV) in patients with major trauma. This single-center retrospective review included 2021 trauma patients admitted to the intensive care unit between January 2016 and June 2020. We included 1218 patients aged $$\ge $$ ≥ 18 years with an injury severity score $$\ge $$ ≥ 16 in...

Acute kidney injury (AKI) is common in patients with trauma and is associated with poor outcomes. Therefore, early prediction of AKI in patients with trauma is important for risk stratification and the provision of optimal intensive care unit treatment. This study aimed to compare 2 models, machine learning (ML) techniques and logistic regression,...

Factors affecting overall survival (OS) after hepatectomy for colorectal cancer liver metastases (CRCLM) are unknown. This study aimed to investigate the effect of the location of the primary tumor and the timing of liver metastases on OS in patients with CRCLM who underwent hepatectomy. Patients with CRCLM who underwent hepatectomy between August...

Background Mean corpuscular volume (MCV) is useful for the classification of anemia and has recently been suggested as a prognostic factor for several medical conditions. We investigated the clinical implications of MCV in patients with major trauma. Methods We performed a single-center retrospective review of 2021 trauma patients admitted to the...

BACKGROUND Aortic intramural hematoma (IMH) associated with aortic branch tear and intra- murally located pseudoaneurysm after blunt trauma has not been reported. Here, we report a case of progressive type A aortic IMH associated with a pseudoan- eurysm arising from the injured proximal renal artery after blunt trauma. CASE SUMMARY During logging o...

Spontaneously ruptured hepatocellular carcinoma (srHCC) is a fatal complication of hepatocellular carcinoma (HCC). In addition, emergency treatment is frequently fraught with difficulties. This study aimed to investigate the prognosis and recurrence pattern in patients undergoing hepatectomy for the srHCC. This retrospective study included 11 patie...

Duodenal stump fistula (DSF) is one of the most serious complications of gastrectomy. The mean time to diagnosis of DSF is approximately 9 days after operation. Our report describes an extremely rare case of delayed DSF 144 days after a laparoscopic distal gastrectomy. A 58-year-old man with drug-induced liver cirrhosis (Child-Pugh class A) underwe...

Although the mean corpuscular volume (MCV) has been associated with various diseases, these associations in relation to the age‐related trends in MCV remain unclear. Therefore, we used a dataset with over one million values to identify the relationship between ageing and MCV changes. All laboratory data obtained between November 1998 and November 2...

Rationale:. Gangliocytic paraganglioma (GP) is a rare tumor that mostly develops in the duodenum and is composed of the following 3 cell types: epithelioid endocrine, spindle-like, and ganglion-like cells. It manifests as symptoms such as abdominal pain, gastrointestinal bleeding, and weight loss; however, occasionally, it is incidentally detected...

We report images of laparoscopic reduction for incarcerated internal hernia after HIFU ablation. High-intensity focused ultrasound (HIFU) ablation is a minimally invasive uterine-preserving treatment for uterine myomas. HIFU ablation can cause pelvic adhesions due to peritoneal inflammation by thermal effects. These adhesions made artificial defect...

Background: Patients on dialysis have numerous gastrointestinal problems related to uremia, which may represent concealed cholecystitis. We investigated the incidence and risk of acute cholecystitis in dialysis patients and used national health insurance data to identify acute cholecystitis in Korea. Methods: The Korean National Health Insurance...

Objective We aimed to identify the risk factors for ventilator-associated pneumonia in patients admitted to critical care after a torso injury. Methods We retrospectively evaluated 178 patients with torso injury aged >15 years who were intubated in the emergency room and placed on a mechanical ventilator after intensive care unit (ICU) admission,...

Introduction and importance Fibrosarcoma is a rare malignant tumor comprising spindle-shaped fibroblasts exhibiting variable collagen production. Adult-type fibrosarcoma (AFS) mainly occurs in people aged between 30 and 80 years, primarily in the deep soft tissues of the trunk, neck, and extremities, especially in areas surrounding bones. Juvenile...

Introduction: There are many studies for the increased incidence for choledocholithiasis and common bile duct (CBD) dilatation after gastrectomy. However, there are few reports about the dilatation of CBD according to the type of anastomosis in patients undergoing gastrectomy for gastric cancer. We compared the changes of CBD diameter after gastre...

Introduction: Hemorrhagic cholecystitis is a rare disease with high morbidity and mortality, especially in patients with cirrhosis. Here, we described a case of perforated hemorrhagic cholecystitis in a patient with alcoholic liver disease. Methods: A 47-year-old male with a history of alcoholic abuse was presented to the hospital with severe ri...

INTRODUCTION AND IMPORTANCE Heterotopic mesenteric ossification (HMO) is a rare condition that can be hereditary or nonhereditary. It can lead to small bowel obstruction, which may require corrective surgery. Most affected patients have a history of abdominal surgery or trauma. Spontaneously occurring HMO is even rarer, with only 7 cases reported t...

Pancreatic candidiasis can develop in patients with acute pancreatitis, compromised immune responses, or iatrogenic intervention. This paper reports a case of pancreatic candidiasis presenting as a solid pancreatic mass in a patient without the risk factors. A previously healthy 37-year-old man visited the emergency department with left flank pain....

We suggest the new strategy for an accelerated development of solid propellants through the space debris recycling at the platform of international space station (ISS) through the Energetic Materials Genome (EMG) approach and machine learning. Using a well-trained Artificial Neural Network (ANN) we demonstrated the possibilities for finding the bes...

Introduction: Appendectomy is one of the most common emergency surgical operations. Stump appendicitis is a rare complication after appendectomy and is caused by acute inflammation of the remnant part of the appendix. Because of the low index of suspicion owing to a previous history of appendectomy, the diagnosis of stump appendicitis is often del...

Background: A penetrating injury of a hollow viscus is an obvious indication for an exploratory laparotomy, but is not typically an indication for endoscopic treatment. Case summary: A 27-year-old man visited the emergency department with a self-inflicted abdominal stab wound. Injuries to the colon and ileum were detected, but an injury to the s...

Background: Lipomas are very common benign tumors of mature fatty tissue that can occur in any part of the body. However, lipomas of the parietal peritoneum are extremely rare. Case presentation: A 36-year-old man presented with urinary frequency for 6 months. On computerized tomography of the abdomen and pelvis, a well-defined fatty mass measur...

This study aimed to determine the efficacy of intraoperative ultrasonography-guided wire localization guided breast-conserving surgery (BCS) for nonpalpable breast cancer and compare it to conventional preoperative wire localization (PWL) guided surgery. We retrospectively analyzed the medical charts of 214 consecutive nonpalpable breast cancer pat...

Peripheral T-cell lymphomas (PTCLs) are aggressive neoplasms which may involve the liver. The imaging manifestations of hepatic lymphoma are highly variable and show overlapping appearances of numerous other hepatic diseases. As the management and prognosis of lymphoma differ markedly from those of other malignant diseases, prompt diagnosis and ear...

Background: In 1992, Kawasaki et al. reported the first combined segments 3 and 4 liver resection through an open procedure.¹ As opposed to a major hepatectomy, this type of liver resection reduces the risk of postoperative hepatic insufficiency, especially in cirrhotic patients. Presently, various types of laparoscopic liver resections are perform...

Introduction: Laparoscopic liver resection has become important procedure for malignant liver disease. In this report, we describe the relevant technical maneuvers and perioperative outcomes in laparoscopic anatomic segment 6 liver resection using the Glissonian approach. Patients and methods: From March 2003 and October 2015, 7 patients who dia...

Incomplete resection of choledochal cysts (CCs) that extend deep into the pancreas can lead to protein plug or stone formation, pancreatitis, and cholangiocarcinoma. We encountered two cases of choledocholithiasis in remnant intrapancreatic CCs (IPCCs), in which the patients exhibited symptoms after 3 and 21 years of cyst excision. A 21-year-old wo...

Background A difficulty scoring system (DSS) based on the extent of liver resection, tumor location, liver function, tumor size, and tumor proximity to major vessels was recently developed to assess the difficulty of various laparoscopic liver resection procedures. We validated DSS in patients who underwent laparoscopic left lateral sectionectomy (...

Background: Laparoscopic liver resection is an attractive option for treating liver tumors. Laparoscopic liver resection is more difficult for hepatocellular carcinomas located in the posterosuperior segments than for hepatocellular carcinomas in the anterolateral segments. We compared perioperative and long-term outcomes between laparoscopic live...

Introduction: The prognostic relevance of preoperative diabetes mellitus (DM) on the outcomes of resected pancreatic ductal adenocarcinoma (PDAC) is controversial. Most previous studies evaluated the prognostic role of DM based on a single blood test. Methods: The participants included 147 patients with PDAC who underwent pancreatectomy between...

Background: A classification system for defining the complexity of hepatectomy according to its technical difficulty was recently proposed as a consensus of a panel of experts. We validated this classification system for a prospective liver resection cohort in patients with hepatocellular carcinoma (HCC). Method: The complexity classification se...

Purpose: Pancreatic surgery is challenging and associated with high morbidity. Therefore, it is important to detect it early before it becomes clinically apparent. The white blood cell (WBC) count useful as a predictive marker of postoperative pancreatic fistula. The aim of this study was to evaluate the diagnostic accuracy of WBC in predicting pan...

Background: The optimal surgical strategy for treating colorectal cancer liver metastases (CRLM) in patients requiring major liver resection (MLR) is controversial, especially in rectal cancer patients. Method: Between March 2004 and January 2015, 103 patients underwent MLR for CRLM and underwent MLR simultaneously with colorectal surgery (simul...

Laparoscopic resection of hilar cholangiocarcinoma is technically challenging because it involves complicated laparoscopic procedures that include laparoscopic hepatoduodenal lymphadenectomy, hemihepatectomy with caudate lobectomy, and hepaticojejunostomy. There are currently very few reports describing this type of surgery. Between August 2014 and...

Laparoscopic treatment for gallbladder cancer (GBC) has long been contraindicated, but few studies have demonstrated the oncologic outcomes of this treatment. The purpose of this study was to evaluate long-term survival after intended laparoscopic surgery for early-stage GBC based on our 10 years of experience. Between May 2004 and April 2014, eigh...

Choriocarcinoma is a germ cell tumor belonging to the spectrum of gestational trophoblastic diseases, and occurs most commonly in the gonads. Primary hepatic choriocarcinoma is very rare, especially in females. A 59-year-old woman was referred to our clinic with a history of upper right quadrant pain lasting 1 month. Computed tomography and magneti...