Soo Sang Sohn

Keimyung University, Sŏul, Seoul, South Korea

Are you Soo Sang Sohn?

Claim your profile

Publications (7)8.52 Total impact

  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: Gastrointestinal (GI) mucormycosis is a rare and life-threatening invasive fungal infection. GI mucormycosis occur in all parts of the alimentary tract, with the stomach being the most common site. Diabetes mellitus and other types of conditions associated with immunodeficiency, including hematologic malignancies, solid organ transplantation and glucocorticoid therapy, are risk factors for GI mucormycosis. There are few studies reporting cases of gastric mucormycosis in patients with liver cirrhosis, and even fewer reporting the successful treatment of invasive gastric mucormycosis in a patient with liver cirrhosis. This study presents a case of invasive gastric mucormycosis in a patient with liver cirrhosis, which was treated successfully by prompt diagnosis, metabolic support, surgical debridement of involved tissues and antifungal therapy.
    Experimental and therapeutic medicine 08/2014; 8(2):401-404. · 0.34 Impact Factor
  • [Show abstract] [Hide abstract]
    ABSTRACT: The aim of this study was to compare the quality of life after the early postoperative period and before reaching 5 years postoperatively between patients who underwent laparoscopy-assisted distal gastrectomy (Group A) and patients who underwent open distal subtotal gastrectomy (Group B). The Korean versions of the European Organization for Research and Treatment (EORTC) Quality of Life Questionnaire Core 30 (QLQ-C30) and a gastric cancer-specific module, the EORTC QLQ-STO22, were used to assess the quality of life of 80 patients who underwent laparoscopy-assisted distal gastrectomy or open distal subtotal gastrectomy for gastric cancer. The postoperative period ranged between 6 months and 5 years. The global health status/quality of life scores of Groups A and B were 56.0 ± 19.0 and 57.4 ± 18.2, respectively (p = 0.729). Group A experienced worse quality of life in role functioning (p = 0.026), cognitive functioning (p = 0.034), fatigue (p = 0.039), eating restrictions (p = 0.009), and anxiety (p = 0.033). Group A showed a trend to experience worse quality of life in physical functioning, emotional functioning, social functioning, insomnia, and body image, albeit without statistical significance. After the early postoperative period and before achieving long-term survival, patients who underwent laparoscopy-assisted distal gastrectomy appeared to experience lower quality of life compared to patients who underwent open distal subtotal gastrectomy. This finding may be associated with the patients' erroneously high expectations of laparoscopy-assisted distal gastrectomy.
    Gastric Cancer 11/2011; 15(3):299-304. · 3.99 Impact Factor
  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: The natural course of untreated patients with signet ring cell carcinoma of the stomach remains poorly understood while assumptions have been made to distinguish it from other types of gastric cancer. A 74-year-old Korean woman was diagnosed with early gastric cancer with signet ring cell histology and refused surgery. A satellite lesion was identified 46 months after the initial diagnosis. The patient finally agreed to undergo distal subtotal gastrectomy 53 months following the initial diagnosis. Postoperative histological examination of both lesions confirmed signet ring cell carcinoma associated with submucosal invasion. There was no evidence of lymph node metastasis.
    Journal of gastric cancer. 09/2011; 11(3):189-93.
  • Journal of The Korean Surgical Society - J KOREAN SURG SOC. 01/2009; 76(6).
  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: The aim of this study was to determine the prognostic significance of the expression of p53 and retinoblastoma (Rb) gene products in cases of curatively resected gastric adenocarcinoma, by immunohistochemical analysis. Between January 1996 and December 2001, 736 curatively resected gastric cancer patients underwent immunohistochemical staining for p53 or Rb proteins (pRb), and we retrospectively analyzed the correlation of our results with the clinical outcomes of these cases. High levels of expression of p53 (>25% p53-positive cells) and Rb (>50% Rb-positive cells) proteins were detected in 40.1% and 43.7% of cases, respectively. Tubular type was found to frequently exhibit higher levels of p53 expression (high expression in 44.2%) than signet ring cell type (high expression in 26.0%) (p = 0.042). The incidence of vascular invasion was lower in the high pRb expressors (43.2%) than in the pRb low expressors (56.8%), but this was not a statistically significant discrepancy (p = 0.063). Preoperative CEA levels were found to be low in high pRb expressors: initial CEA level in the high pRb expressors was 2.31 +/- 3.30 ng/mL, and was 5.18 +/- 24.80 ng/mL in the low pRb expressors (p = 0.033). Tumor depth and node metastasis were both independent of the levels of expression of p53 and Rb proteins. The seven-year overall survival rate and relapse-free survival rates of patients were 87.2% and 75.7%, respectively. Multivariate Cox regression analysis indicated that tumor stage, tumor size, patient age and pRb expression were the significant prognostic factors with regard to overall survival, and tumor stage and age were both significant factors with regard to relapse-free survival. Immunohistochemical staining of retinoblastoma gene products was an independent prognostic factor for the prediction of overall survival in curatively resected gastric cancer patients.
    The Korean Journal of Internal Medicine 03/2005; 20(1):1-7.
  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: The purpose of this study was to investigate the prognostic significance of the expression of EGFR and C-erbB-2 gene products by immunohistochemical analysis for curatively resected gastric adenocarcinoma. Between January 1996 and December 2001, 739 patients with curatively resected gastric cancer patients underwent immunohistochemical staining for EGFR and C-erbB-2 proteins, and we retrospectively analyzed their correlation with the clinical outcome. The over expressions of EGFR and C-erbB-2 were 25.4% and 26.2%, respectively. The over expressions of EGFR was associated with the more poorly differentiated tumor (p=0.000) and with neuronal invasion (p=0.03). Over expression of C-erbB-2 was associated with less vascular invasion (p=0.001). Tumor depth or node metastasis was not related to the over expression of EGFR or C-erbB-2. The seven-year overall survival and relapse-free survival rates were 87.2% and 75.8%, respectively. Upon multivariate Cox regression analysis, the tumor stage, tumor size and patient age were important prognostic factors for overall survival, and tumor stage was the important factor for relapse-free survival. Over expressions of EGFR or c-erbB-2 were not significant prognostic factors. Immunohistochemical staining of EGFR and C-erbB-2 gene products were not independent prognostic factors for predicting the overall survival and the relapse-free survival in curatively resected gastric cancer.
    Cancer Research and Treatment 08/2004; 36(4):240-5. · 1.96 Impact Factor
  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: The expression of melanoma antigen gene (MAGE), coding for tumor antigens recognized by cytotoxic T cell, is highly specific to cancer cells, but their use in the detection of a few cancer cells by reverse transcription-polymerase chain reaction (RT-PCR) has been limited by the low frequency of expression of individual MAGE genes. In order to increase MAGE detection rate in RT-PCR assay, here, we designed multiple MAGEs recognizing primers (MMRPs) that can bind to the sequences of cDNA of MAGE-1, -2, -3, -4a, -4b, -5a, -5b and-6 (MAGE 1-6) together. The nested RT-PCR assay using MMRPs, MAGE 1-6 assay, detected MAGE messages of 1 to 5 SNU484 cells in a background of 10(7) SNU638 cells. MAGE detection rate of MAGE 1-6 assay in cancers was higher than that of nested RT-PCR that detects single MAGE gene expression. The expressions of MAGE genes was detected by MAGE 1-6 assay in 70.4% (19/27) of head and neck cancer tissues, 91.7% (11/12) of breast cancer tissues, 75% (9/12) of lung cancer tissues. However, they were not detected in 18 benign lesions and 20 normal head and neck tissues and 30 blood samples from healthy donor. In conclusions, MAGE 1-6 assay can detect any cancer cells that express at least one of eight MAGE subtype genes, and this method may be very useful for the diagnosis of MAGE-expressing cancers.
    Journal of Immunological Methods 09/2002; 266(1-2):79-86. · 2.23 Impact Factor