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1.  Anterograde jejunojejunal intussusception resulted in acute efferent loop syndrome after subtotal gastrectomy 
Postoperative intussusception is an unusual clinical entity in adults, and is rarely encountered as a complication following gastric surgery. The most common type after gastric surgery is retrograde jejunogastric intussusception, and jejunojejunal intussusception has been rarely reported. We report a case of anterograde jejunojejunal intussusception after radical subtotal gastrectomy with Billroth II anastomosis in a 38-year-old Korean woman with early gastric cancer, and include a review of the literature on this unusual complication.
doi:10.3748/wjg.v16.i27.3472
PMCID: PMC2904898  PMID: 20632454
Intussusception; Postoperative complications; Gastrectomy
2.  Balanced approach can help initial outcomes: analysis of initial 50 cases of a new liver transplantation program in East Asia 
Purpose
To evaluate patient triage pattern and outcomes according to types of liver transplantation as part of a new liver transplant program developed in an East Asian country with a limited number of deceased donors.
Methods
Medical records of initial 50 liver transplantations were reviewed retrospectively.
Results
Twenty-nine patients underwent deceased donor liver transplantation (DDLT) and 21 patients underwent living donor liver transplantation (LDLT). Mean model for end-stage liver disease scores of recipients of DDLT and LDLT were 24.9 ± 11.6 and 13.1 ± 5.4, respectively (P < 0.0001). Twenty-eight patients had HCCs and 17 of them (60.7%) underwent LDLT, which was 80.9% of LDLTs. There were 2 cases of perioperative mortality; each was from DDLT and LDLT, respectively. Median follow-up was 18 months. Overall patient and graft survival rates at 6 months, 1 and 2 years were 95.7%, 93.4%, and 89.8%, respectively. There was no significant difference in survival between DDLT and LDLT. Overall recurrence-free survival rates of hepatocellular carcinoma (HCC) patients at 6 month, 1, and 2 years were 96.3%, 96.3%, and 90.3%, respectively. There was no significant difference in recurrence-free survival between DDLT and LDLT.
Conclusion
As a new liver transplant program with limited resource and waiting list, patients with critical condition could undergo DDLT whereas relatively stable patients with HCCs were mostly directed to LDLT. We recommend a balanced approach between DDLT and LDLT for initiating liver transplant programs.
doi:10.4174/astr.2014.87.1.22
PMCID: PMC4091440  PMID: 25025023
Liver transplantation; Donor selection; Liver transplantation program; Outcome; Survival
3.  Primary Hepatic Marginal Zone B Cell Lymphoma : A Case Report and Review of the Literature 
The Indian Journal of Surgery  2012;75(Suppl 1):331-336.
Background
Primary hepatic lymphoma (PHL) is a very rare malignancy, and constitutes about 0.016 % of all cases of non-Hodgkin’s lymphoma and is often misdiagnosed. The optimal therapy is still unclear and the outcomes are uncertain. Among PHLs, a primary hepatic low-grade marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue (MALT lymphoma) is extremely rare.
Methods
We present a case of primary hepatic lymphoma (MALT lymphoma) treated with surgical resection and adjuvant chemotherapy. A 38-year-old Korean man, who was diagnosed with chronic hepatitis B 20 years ago, was admitted for liver biopsy after liver lesions were detected on follow-up computed tomography scan (CT). Liver biopsy revealed the diagnosis of marginal zone B-cell malignant lymphoma (MALT lymphoma). The preoperative clinical staging was IE, given that no additional foci of lymphoma were found anywhere else in the body. The patient underwent left hemihepatectomy. Subsequently, the patient received two cycles of CHOP (cyclophosphamide, adriamycin, vincristine, and prednisone) regimen.
Results
After 15 months of follow-up, the patient is alive and well without any evidence of disease recurrence.
Conclusion
Although the prognosis is variable, good response to early surgery combined with postoperative chemotherapy can be achieved in strictly selected patients.
doi:10.1007/s12262-012-0695-1
PMCID: PMC3693344  PMID: 24426608
Primary hepatic lymphoma; MALT lymphoma; Chronic hepatitis B; Surgery; Adjuvant chemotherapy
4.  Use of right lobe graft with type IV portal vein accompanied by type IV biliary tree in living donor liver transplantation: report of a case 
Anatomic variations of the portal vein (PV) and bile duct (BD) are more common on the right lobe as compared with left lobe grafts in living donor liver transplantation (LDLT). We recently experienced a case of LDLT for hepatocellular carcinoma combined with liver cirrhosis secondary to hepatitis B virus and hepatitis C virus infection. The only available donor had right lobe graft with type IV PV associated with type IV BD. The patient underwent relaparotomy for PV stenting due to PV stenosis. Percutaneous transhepatic biliary drainage was done for a stricture at the site of biliary reconstruction. Thereafter, the patient was discharged in good health. Our experience suggests that, the use of right lobe graft with type IV PV accompanied by type IV BD should be the last choice for LDLT, because of its technical difficulty and risks of associated complications.
doi:10.4174/astr.2014.86.6.331
PMCID: PMC4062452  PMID: 24949326
Vascular complication; Postoperative complications; Anastomosis; Roux-en-Y
5.  Comparison of Hepatocellular Carcinoma in American and Asian Patients by Tissue Array Analysis 
Journal of Surgical Oncology  2012;106(1):84-88.
Background
Hepatocellular carcinoma (HCC) is one of the most common malignancies worldwide. Although some epidemiologic and etiologic differences between Asian and Western HCC are known, detailed comparative studies with pathologic correlations have not been performed.
Methods
Paraffin sections of resected HCC specimens from Memorial Sloan-Kettering Cancer Center and Korea University Medical Center were used to construct tissue microarrays. Immunohistochemical staining of microarray sections was performed using antibodies against markers of proliferation and regulators of cell cycle. Patient data were correlated with staining results.
Results
When comparing cohorts, significant differences were found in expression of p53 and In the Asian group, more frequent positive staining for p53 (24%) was observed compared with the American group (9%; P = 0.037). For MDM2, 26% of American cases stained positive compared with 2% of Asian cases (P = 0.0003). No significant differences were found in expression of Ki67, p21, p27, cyclin D1, or bcl2. Female gender, vascular invasion, and lack of viral hepatitis infection correlated with positive MDM2 staining.
Conclusion
These data likely correlate with differences in molecular pathogenesis of HCC based on racial and regional differences. These findings may have implications in choice of molecular targeted therapies based on patient ethnicity.
doi:10.1002/jso.23036
PMCID: PMC3346847  PMID: 22234941
immunohistochemistry; South Korean; molecular characterization; HepPar1
6.  Metastatic hepatocellular carcinoma to the parotid gland: Case report and review of the literature 
INTRODUCTION
Hepatocellular carcinoma, the most frequent primary hepatic tumor, metastasizes in more than 50% of cases. However, parotid gland metastatic HCCs are very uncommon. We report a patient in whom the finding of a left parotid mass revealed metastatic HCC.
PRESENTATION OF CASE
A thirty-six-year-old male presented with a round palpable left neck mass that persisted for 3 months. He had received right hemihepatectomy for hepatocellular carcinoma (HCC). Preoperative evaluation revealed a benign tumor of the parotid gland. We performed superficial parotidectomy. Metastatic hepatocellular carcinoma of the parotid gland was diagnosed.
DISCUSSION
Although HCC metastases to the oral cavity have been reported, to date, only 4 cases HCC metastasis to the parotid gland have been reported. Although clinicians and cytopathologists alike both agree that salivary gland fine needle aspiration biopies (FNABs) are highly useful and safe diagnostic alternatives to biopsies and resections, we believe that in specific clinical situations, awareness of potential diagnostic pitfalls in salivary gland FNAB is a necessary part of the microscopic interpretations of these lesions.
CONCLUSION
Although rare, since HCC can metastasize to the parotid gland, high suspicion should be maintained in a patient presenting with a parotid mass with a history of HCC. In addition, since potential diagnostic pitfalls in salivary gland fine-needle aspiration (FNA) biopsies exist, incisional or excisional biopsy may be necessary for definite diagnosis of metastatic HCC to the parotid gland.
doi:10.1016/j.ijscr.2012.08.018
PMCID: PMC3537927  PMID: 23123420
HCC, hepatocellular carcinoma; FNA, fine-needle aspiration; Metastatic hepatocellular carcinoma; Parotid gland; Fine-needle aspiration
7.  Liver abscess developed after cadaveric liver transplantation due to ligation of an accessory right hepatic artery of the donor graft 
It is important that extrahepatic arteries are identified precisely at the time of graft procurement. We present a case where the accessory right hepatic artery of the liver was ligated leading to postoperative liver abscess formation in the liver graft. A forty-seven-year-old female patient diagnosed with liver cirrhosis underwent orthotopic cadaveric liver transplantation due to altered mentality. The donor graft showed a variant of the hepatic artery anatomy where an accessory right hepatic artery arose from the superior mesenteric artery. This artery was accidentally transected during procurement. Since the back bleeding test using perfusion fluid was good, the artery was ligated. Postoperative abdominal computed tomography scan revealed a 6 cm low attenuating lesion in the liver. The patient underwent conservative treatment. We believe that even small accessory arteries (1 to 2 mm) should be reconstructed whenever possible to avoid postoperative complications such as liver abscess.
doi:10.4174/jkss.2012.83.4.246
PMCID: PMC3467392  PMID: 23091798
Liver abscess; Liver transplantation; Postoperative complications; Hepatic artery
8.  Fever of unknown origin as a presentation of gastric inflammatory myofibroblastic tumor in a two-year-old boy. 
Journal of Korean Medical Science  2002;17(5):699-703.
Gastric inflammatory myofibroblastic tumor (IMT) is an extremely rare lesion with mimicking malignant features and accompanied with various clinical manifestations. Here we present a 2-yr-old boy who had a gastric IMT with a huge extragastric mass, which closely resembled a neuroblastoma on imaging studies. He experienced intermittent fever and poor appetite for 6 weeks. Fever remained up to 38 degrees C even on the operation day. He underwent partial gastrectomy and distal pancreatectomy with splenectomy including the tumor. The preoperative fever disappeared and did not recur in the postoperative course.
PMCID: PMC3054930  PMID: 12378027

Results 1-8 (8)