Incidence of testicular tumor is 1-2% in all male tumor. Various series report that 3.6-11.6% of testicular tumor arise in patient with cryptorchidism or a history of cryptorchidism. But testicular tumors developed in suprapubic ectopic testis were reported rarely. Seminoma is one of the most radiosensitive tumor. However, the survival of patients with advanced tumor is poor. Therefore adjuvant systemic chemotherapy is essential for proper treatment of these patients. Recently we experienced a case of advanced seminoma resulted from suprapubic ectopic testis and treated by orchiectomy, systemic chemotherapy and radiation with good result.
Cryptorchidism ; Drug Therapy ; Humans ; Incidence ; Male ; Orchiectomy ; Seminoma* ; Testicular Neoplasms ; Testis*

BACKGROUND: Gastric cancer remains the main cause of cancer-related death in Korea. Accurate preoperative staging of gastric cancer is essential to predict prognosis and to plan optimal treatment. Although there are many reports dealing with the diagnostic values of conventional methods, controversies are still present especially in the field of preoperative staging. In this study, we evaluated the accuracy of gastroscopy and upper gastrointestinal series(UGI) for diagnosis of gastric cancer, and determined the usefulness of ultrasonography and computed tomography for preoperative staging. METHODS: One hundred twenty-three patients, who underwent operation from Aug. 1991 to Mar. 1995 under the diagnosis of gastric cancer were analyzed. We excluded 15 patients because their postoperative definitive stagings were undetemined. RESULTS: 1) Among 123 patients, the proportion of early gastric cancer was 26.0%(32/123) and that of the advanced gastric cancer was 74.0%(91/123). 2) The sensitivity of endoscopic diagnosis of gastric cancer was 96.7%(119/123), and the accuracy to determine the depth of invasion was 82.9% (102/123). 3) The sensitivity of UGI study for gastric cancer was 89.9%(98/109), and the accuracy to determine the depth of invasion was 61.5%(61/109). 4) The sensitivity of abdominal ultrasonography to detect the tumor was 11.3%(8/71), the accuracy to determine the T stage was 29.2%(28/96), and the sensitivity and specificity to detect lymph node metastasis was 13.6%(8/59), 100%(37/37), respectively. 5) The sensitivity of abdominal CT to detect the tumor was 74.3%(26/35), the accuracy to determine the T stage was 32.5%(13/40), and the sensitivity and specificity to detect lymph node metastasis were 34.5%(9/29), 72.7%(8/11), respectively. 6) The accuracy of preoperative staging was 45.5%(56/123). The 49.6%(62/123) of gastric cancer was downstaged, whereas only 4.1%(5/123) was overstaged. CONCLUSION: Our results show that high accuracy for diagnosis of gastrie cancer with the gastroscopy and UGI. However preoperative staging with ultrasonography and computed tomograpy was often underestimated, which could be concluded that the usefulness of the radiologic methods was limited.
Diagnosis* ; Gastroscopy ; Humans ; Korea ; Lymph Nodes ; Neoplasm Metastasis ; Prognosis ; Sensitivity and Specificity ; Stomach Neoplasms* ; Tomography, X-Ray Computed ; Ultrasonography

OBJECTIVES: The primary aim of this study is to evaluate the gene expression profile of Asian sand dust (ASD)-treated human middle ear epithelial cell (HMEEC) using microarray analysis. METHODS: The HMEEC was treated with ASD (400 microg/mL) and total RNA was extracted for microarray analysis. Molecular pathways among differentially expressed genes were further analyzed. For selected genes, the changes in gene expression were confirmed by real-time polymerase chain reaction. RESULTS: A total of 1,274 genes were differentially expressed by ASD. Among them, 1,138 genes were 2 folds up-regulated, whereas 136 genes were 2 folds down-regulated. Up-regulated genes were mainly involved in cellular processes, including apoptosis, cell differentiation, and cell proliferation. Down-regulated genes affected cellular processes, including apoptosis, cell cycle, cell differentiation, and cell proliferation. The 10 genes including ADM, CCL5, EDN1, EGR1, FOS, GHRL, JUN, SOCS3, TNF, and TNFSF10 were identified as main modulators in up-regulated genes. A total of 11 genes including CSF3, DKK1, FOSL1, FST, TERT, MMP13, PTHLH, SPRY2, TGFBR2, THBS1, and TIMP1 acted as main components of pathway associated with 2-fold down regulated genes. CONCLUSION: We identified the differentially expressed genes in ASD-treated HMEEC. Our work indicates that air pollutant like ASD, may play an important role in the pathogenesis of otitis media.
Air Pollution ; Apoptosis ; Asian Continental Ancestry Group* ; Cell Cycle ; Cell Differentiation ; Cell Proliferation ; Dust* ; Ear, Middle* ; Epithelial Cells* ; Gene Expression* ; Humans* ; Microarray Analysis* ; Otitis Media ; Particulate Matter ; Real-Time Polymerase Chain Reaction ; RNA ; Silicon Dioxide* ; Transcriptome

There are few reports of gastrointestinal stromal tumors (GISTs) in the esophagus. The authors report a patient with an esophageal GIST that was found incidentally during an endoscopy. The endoscopy revealed a 1 cm sized mass with a granular surface at the 32 cm site from the upper incisor. Endoscopic ultrasonography revealed the tumor to be located in the muscularis mucosa of the esophageal wall. Histologically, the tumor consisted of spindle cells, with no mitotic index, that were immunoreactive for KIT and S-100. The tumor was diagnosed as a gastrointestinal stromal tumor with neural differentiation (GINT). An endoscopic mucosal resection was performed and the patient has been on routine follow up at the out patient department for three months.
Endoscopy ; Endosonography ; Esophagus ; Follow-Up Studies ; Gastrointestinal Stromal Tumors* ; Humans ; Incisor ; Mitotic Index ; Mucous Membrane

The term ""collagenous colitis"" was coined by Lindstrom in 1976 to describe the patient with chronic watery diarrhea who had normal rectal mucosa by proctoscopy but who had a thick subepithelial collagenous deposit on biopsy, and now collagenous colitis is recognized as one of the more common causes of chronic diarrhea of obscure origin. But in this country only a few case has been reported. We have seen a 68-year-old man with chronic watery diarrhea with abdominal pain. Physical examination, laboratory and radiologic studies were no abnormal finding. Colonoscopy disclosed grossly normal mucosa through the entire colon but by histologic examination there are chronic inflammation in the lamina propria and thickened subepithelial collagen layer. Symptoms and pathologic findings of patient improved after treatment with sulfasalazine and prednisolone.
Abdominal Pain ; Aged ; Biopsy ; Colitis, Collagenous* ; Collagen* ; Colon ; Colonoscopy ; Diarrhea ; Esophagus* ; Humans ; Inflammation ; Intestines* ; Mucous Membrane ; Numismatics ; Physical Examination ; Prednisolone ; Proctoscopy ; Stomach* ; Sulfasalazine

OBJECTIVES: Many patients diagnosed with cancer suffer from various psychiatric symptoms such as depression, anxiety and insomnia as well as cancer itself. Patients with cancer are more vulnerable to possible adverse events of psychotropic medications. Although antidepressants are widely used among cancer patients, there is little information about tolerability of antidepressants. This study was conducted to compare tolerability of antidepressants in cancer patients referred for psychiatric consultation. METHODS: The participants were cancer patients who had been referred to psychiatrist for their psychiatric symptoms. We retrospectively analyzed the data of patients diagnosed with cancer from 9 general hospitals in Korea. The discontinuation rate for a 6 months period after treatment initiation for three antidepressants(Escitalopram, Mirtazapine, Paroxetine) were compared. RESULTS: Antidepressants were prescribed for 96.3% of subjects and Escitalopram 150(47.2%), Mirtazapine 92 (28.9%) and Paroxetine 76(23.9%) were prescribed frequently in order There were no significant differences in discontinuation rates among the three antidepressants during the 6 month period after initiation of pharmacotherapy. But there was a difference in discontinuation rates between inpatients versus outpatients(p<0.0001). CONCLUSIONS: In a naturalistic setting for the antidepressant treatment for cancer patients, it seems that there are no differences in discontinuation rates among these three antidepressants. It is therefore essential that such interactions are carefully considered when treating patients of antidepressants who already have cancer.
Antidepressive Agents ; Anxiety ; Citalopram ; Depression ; Hospitals, General ; Humans ; Inpatients ; Korea ; Mianserin ; Paroxetine ; Psychiatry ; Retrospective Studies ; Sleep Initiation and Maintenance Disorders

BACKGROUND: The purpose of this study was to analyze the smoking habits in patients with lung cancer and identify any difference of prevalence according to histologic types of lung cancer. METHODS: The data were calculated by total amounts of tar and nicotine inhaled during the whole lifetime according to variation of smoking habits. This study was to investigated any difference of prevalence in lung cancer according to smoking habits. The subjects comprised 150 lung cancer cases and 300 hospital control cases that were matched by age and sex. Smoking habits during the whole lifetime were surveyed by standardized questionnaire. Odds ratios were estimated by unconditional logistic regression analysis. RESULTS: There were 104 male and 34 female lung cancer cases. By histologic type, there were 53 cases of squamous cell carcinoma, 67 of adenocarcinoma and 30 of small cell lung carcinoma. The differences between lung cancer cases and controls according to smoking habits were total duration of smoking, total pack years of smoking and number of cigarettes smoked per day during the previous two years. The odds ratios were higher in Kreyberg I, but not in Kreyberg II, for the longer duration of smoking, the greater total pack years of cigarettes consumed, the more cigarettes smoked per day during the previous two years, the longer duration of non-filter smoking, the earlier life cases who began to smoke, and the higher amounts of calculated total tar and nicotine inhaled over the whole lifetime. When we added grade of inhalation to calculation of amounts of tar and nicotine inhaled over the lifetime, the odds ratios of total inhalation amounts of tar and nicotine were as high as those the without them. CONCLUSIONS: This study reconfirmed that smoking habits were strongly associated with lung cancer and that there were different associations between smoking habits and histologic types of lung cancer. In particular, calculations of total tar and nicotine amounts inhaled over the whole lifetime were calculated for the first time in trials from lung cancer epidemiologic studies.
Adenocarcinoma ; Carcinoma, Squamous Cell ; Epidemiologic Studies ; Female ; Humans ; Inhalation ; Logistic Models ; Lung Neoplasms* ; Lung* ; Male ; Nicotine ; Odds Ratio ; Prevalence* ; Surveys and Questionnaires ; Small Cell Lung Carcinoma ; Smoke* ; Smoking* ; Tobacco Products

PURPOSE: Programmed death-1 and its ligands (PD-L1 and PD-L2) can induce T-cell apoptosis in many solid tumors, although there is limited information regarding their roles in colorectal cancer.METHODS: We used immunohistochemistry to retrospectively examine expressions of PD-L1 and PD-L2 in paraffin-embedded specimens from 104 patients with colorectal cancer.RESULTS: Among the 104 included patients, 31 patients (29.8%) had positive PD-L1 expression and 73 patients (70.2%) had negative PD-L1 expression. Positive PD-L2 expression was observed in 83 patients (79.8%) and negative PD-L2 expression was observed in 21 patients (20.2%). Positive PD-L1 expression group showed higher overall survival rate (OS) and disease-free survival (DFS) than negative PD-L1 expression group. However, the overall survival and DFS were not significantly different between positive and negative PD-L2 expressions group. The multivariate analyses revealed that short OS was independently associated with positive PD-L1 expression (hazard ratio [HR], 2.781; 95% confidence interval [CI], 1.284–6.026; P=0.01), regional lymph node status (HR, 2.611; 95% CI, 1.258–5.418; P=0.01), and distant metastasis (HR, 4.279; 95% CI, 1.449–12.638; P=0.009). In addition, short DFS was independently associated with positive PD-L1 expression (HR, 2.846; 95% CI, 1.393–5.815; P=0.004) and regional lymph node status (HR, 2.310; 95% CI, 1.122–4.758; P=0.023).CONCLUSION: Although prospective multi-center studies are needed to validate our findings, we found that PD-L1 expression predicted OS and DFS among patients with colorectal cancer.
Apoptosis ; Colorectal Neoplasms ; Disease-Free Survival ; Humans ; Immunohistochemistry ; Ligands ; Lymph Nodes ; Multivariate Analysis ; Neoplasm Metastasis ; Prognosis ; Prospective Studies ; Retrospective Studies ; Survival Rate ; T-Lymphocytes

BACKGROUND/AIMS: In spite of increased concerns about the overlaps among the various functional gastrointestinal disorders (FGIDs), studies for the overlap between constipation and other common FGIDs are rare. Therefore, we investigated the patterns of overlaps between constipation and other common FGIDs. METHODS: This study was designed as a prospective nationwide multi-center questionnaire study using Rome III questionnaires for functional dyspepsia (FD), irritable bowel syndrome (IBS), and functional constipation (FC), as well as various questionnaires about patients’ information, degree of symptoms, and quality of life. For the evaluation of gastroesophageal reflux disease (GERD), GERD-Q was used. RESULTS: From 19 centers, 759 patients with constipation were enrolled. The proportions of FC and IBS subtypes of constipation (IBS-C) were 59.4% and 40.6%, respectively. Among them, 492 (64.8%) showed no overlap. One hundred and thirty-six patients (17.9%) presented overlapping GERD, and 80 patients (10.5%) presented overlapping FD. Fifty one (6.7%) of patients were overlapped by both GERD and FD. Coincidental herniated nucleus pulposus (HNP) (P = 0.026) or pulmonary diseases (P = 0.034), reduced fiber intake (P = 0.013), and laxative use (P < 0.001) independently affected the rate of overlaps. These overlapping conditions negatively affected the constipation-associated quality of life, general quality of life, and degree of constipation. CONCLUSIONS: The overlap of GERD or FD was common in patients with constipation. Coincidental HNP or pulmonary diseases, reduced fiber intake, and laxatives use were found to be independent associated factors for overlapping common FGIDs in Korean patients with constipation.
Constipation* ; Dyspepsia ; Gastroesophageal Reflux ; Gastrointestinal Diseases* ; Humans ; Irritable Bowel Syndrome ; Laxatives ; Lung Diseases ; Prospective Studies ; Quality of Life

Intestinal giant-cystic disease (IGCD) of the Israel carp (Cyprinus carpio nudus) has been recognized as one of the most serious diseases afflicting inland farmed fish in the Republic of Korea, and Thelohanellus kitauei has been identified as the causative agent of the disease. Until now, studies concerning IGCD caused by T. kitauei in the Israel carp have been limited to morphological and histopathological examinations. However, these types of diagnostic examinations are relatively time-consuming, and the infection frequently cannot be detected in its early stages. In this study, we cloned the full-length 18S rRNA gene of T. kitauei isolated from diseased Israel carps, and carried out molecular identification by comparing the sequence with those of other myxosporeans. Moreover, conventional PCR and real-time quantitative PCR (qPCR) using oligonucleotide primers for the amplification of 18S rRNA gene fragment were established for further use as methods for rapid diagnosis of IGCD. Our results demonstrated that both the conventional PCR and real-time quantitative PCR systems applied herein are effective for rapid detection of T. kitauei spores in fish tissues and environmental water.
Animals ; Carps ; DNA Primers/genetics ; DNA, Ribosomal/chemistry/genetics ; Fish Diseases/*diagnosis/parasitology ; Molecular Diagnostic Techniques/*methods ; Molecular Sequence Data ; Myxozoa/genetics/*isolation & purification ; Parasitic Diseases, Animal/*diagnosis/parasitology ; RNA, Ribosomal, 18S/genetics ; Real-Time Polymerase Chain Reaction/*methods ; Republic of Korea ; Sequence Analysis, DNA ; Time Factors ; Veterinary Medicine/*methods