Dentists’ Recognition of Child Abuse and Neglect and Mandatory Attitude to Report / 대한소아치과학회지

In this study, the recognition of child abuse and neglect (CAN) and reporting attitudes of general dentists and pediatric dentists in Korea were estimated. A survey was conducted among dentists working at clinics or university hospitals, including interns and residents at dental hospital training institutions. The questionnaire, consisting of 32 questions and detailed questions, subdivided into ‘general characteristics of respondents’, ‘CAN’, ‘CAN report’, ‘laws to CAN’, ‘countermeasures against CAN’. The survey was conducted using a messenger, and 176 respondents’ answers were analyzed. The recognition of CAN showed high scores in the order of physical abuse, neglect, and emotional abuse. The positive attitude toward reporting CAN had a higher score than the negative attitude. Of the total respondents, 19 said they reported child abuse, and 18 said they were suspected of child abuse but hesitated to report it. Among the laws related to CAN, the protection measures for CAN reporters and the protocol for CAN showed low awareness. Since then, they have wanted to know how to find abused children and how to deal with them in education. This study is expected to be used as data to improve dentists’ awareness and consciousness of CAN in the future.

Outcomes of Endoscopic Resection for Early Gastric Cancer in Very Elderly Patients: A Nationwide Population-Based Study

Background/Aims@#Few studies have investigated the long-term outcomes of endoscopic resection for early gastric cancer (EGC) in very elderly patients. The aim of this study was to determine the appropriate treatment strategy and identify the risk factors for mortality in these patients. @*Methods@#Patients with EGC who underwent endoscopic resection from 2006 to 2017 were iden-tified using National Health Insurance Data and divided into three age groups: very elderly (≥85 years), elderly (65 to 84 years), and non-elderly (≤64 years). Their long- and short-term outcomes were compared in the three age groups, and the survival in the groups was compared with that in the control group, matched by age and sex. We also evaluated the risk factors for long- and short-term outcomes. @*Results@#A total of 8,426 patients were included in our study: 118 very elderly, 4,583 elderly, and 3,725 non-elderly. The overall survival and cancer-specific survival rates were significantly lower in the very elderly group than in the elderly and the non-elderly groups. Congestive heart failure was negatively associated with cancer-specific survival. A significantly decreased risk for mortality was observed in all groups (p<0.001). The very elderly group had significantly higher readmission and mortality rates within 3 months of endoscopic resection than the non-elderly and elderly groups. Furthermore, the cerebrovascular disease was associated with mortality within 3 months after endoscopic resection. @*Conclusions@#Endoscopic resection for EGC can be helpful for very elderly patients, and it may play a role in achieving overall survival comparable to that of the control group.

Evaluation of the periodontal and pulpal healing of replanted rat molars with doxycycline root conditioning

PURPOSE: This study aimed to evaluate periodontal and pulpal healing in replanted rat teeth, preserved under different storage conditions, with or without root conditioning using doxycycline. METHODS: A total of 40 maxillary first molars extracted from 20 Sprague-Dawley rats were stored for different durations under different conditions (5 minutes in dry storage and 60 minutes in Hank's balanced salt solution [HBSS]) and subsequently replanted. The rats were divided into 2 groups based on the use of root surface treatment: the doxycycline group (root surface treated with doxycycline) and the control group (no doxycycline treatment). Eight weeks after replantation, the animals were sacrificed, and the teeth were evaluated using micro-computed tomography (micro-CT) and histomorphometric analysis. RESULTS: In the micro-CT analysis, the doxycycline group showed the same rate of occurrence of periapical radiolucency as was observed in the control group, but a lower degree of root resorption in teeth replanted after 60 minutes of storage in HBSS (P<0.05). In the histomorphometric analysis, the doxycycline group exhibited no improvement in either pulpal or periodontal healing of the replanted tooth after 5 minutes of dry storage, but showed a lower grade of surface root resorption (1.37±0.77) and inflammatory resorption in the teeth stored for 60 minutes in HBSS (1.33±0.71). CONCLUSIONS: In conclusion, doxycycline improved the periodontal healing of replanted teeth stored for 60 minutes in HBSS, whereas doxycycline did not improve periodontal healing of replanted tooth after 5 minutes of dry storage. Within the limits of this study, doxycycline showed more favorable periodontal healing despite delayed replantation.

Inhibition of c-Yes Induces Differentiation of HT-29 Human Colon Cancer Stem Cells through Midbody Elongation

Recent research suggests that a small group of cells, named cancer stem cells (CSCs), is responsible for initiating tumor formation, recurrence, and metastasis. c-Yes, a proto-oncogene that is a subfamily of Src family kinase, is often activated in human colon cancer; this implicates c-Yes in the onset and progression of the disease. The objective of this study was to investigate the correlation between c-Yes and CSCs. We performed a sphere formation assay and reverse transcription-polymerase chain reaction for studying the differentiation of HT-29 human colon CSCs. To demonstrate the specific role of c-Yes in CSCs, we performed live cell microscopy and a cell cycle assay. These study shows, for the first time, that c-Yes is enriched in CD133+ CSCs, compared to their CD133− counterparts, and that c-Yes depletion in CD133+ cells induces cell differentiation. Moreover, c-Yes depletion was found to elongate the midbody and increase the proliferation doubling time. This also suggested that the misregulation of microtubules during chromosomal separation causes aneuploidy. Our results suggest that c-Yes may play a crucial role in initiating, maintaining, and driving the tumorigenic property of colon cancer.

An 18-year-old patient with Prader-Willi syndrome: a case report on dental management under sedation and general anesthesia

Prader-Willi syndrome (PWS) is a rare genetic disorder reported rarely in dentistry. Dental practitioners should know the features of PWS because affected patients have a variety of dental symptoms. The current report describes a case of PWS. An 18-year-old male patient presented with traumatic injuries. Initial emergency treatments were performed under sedation, and further treatments were conducted under general anesthesia. After adequate healing, periodic follow-up and dietary management according to the patient's age and nutritional phase were recommended. Dental management of PWS patients consists of active preventive measures in addition to dietary consultation according to age and nutritional phase.

Parasitic Infections Based on 320 Clinical Samples Submitted to Hanyang University, Korea (2004-2011)

We analyzed 320 clinical samples of parasitic infections submitted to the Department of Environmental Biology and Medical Parasitology, Hanyang University from January 2004 to June 2011. They consisted of 211 nematode infections, 64 trematode or cestode infections, 32 protozoan infections, and 13 infections with arthropods. The nematode infections included 67 cases of trichuriasis, 62 of anisakiasis (Anisakis sp. and Pseudoterranova decipiens), 40 of enterobiasis, and 24 of ascariasis, as well as other infections including strongyloidiasis, thelaziasis, loiasis, and hookworm infecions. Among the cestode or trematode infections, we observed 27 cases of diphyllobothriasis, 14 of sparganosis, 9 of clonorchiasis, and 5 of paragonimiasis together with a few cases of taeniasis saginata, cysticercosis cellulosae, hymenolepiasis, and echinostomiasis. The protozoan infections included 14 cases of malaria, 4 of cryptosporidiosis, and 3 of trichomoniasis, in addition to infections with Entamoeba histolytica, Entamoeba dispar, Entamoeba coli, Endolimax nana, Giardia lamblia, and Toxoplasma gondii. Among the arthropods, we detected 6 cases of Ixodes sp., 5 of Phthirus pubis, 1 of Sarcoptes scabiei, and 1 of fly larva. The results revealed that trichuriasis, anisakiasis, enterobiasis, and diphyllobothriasis were the most frequently found parasitosis among the clinical samples.

Probiotic Fermented Milk Containing Dietary Fiber Has Additive Effects in IBS with Constipation Compared to Plain Probiotic Fermented Milk

BACKGROUND/AIMS: Although controversial, probiotics and dietary fiber are commonly used for patients with irritable bowel syndrome (IBS). We evaluated the effects of multistrain probiotics on the symptoms of IBS to determine whether the addition of dietary fi ber had an additive effect on constipation-predominant IBS. METHODS: A total of 142 participants who met the Rome III criteria were recruited and randomized into a control group or a test group. Participants in the control group received multistrain probiotic fermented milk with Streptococcus thermophilus, Lactobacillus acidophilus and Bifidobacterium infantis; the participants in the test group received the same probiotic fermented milk mixed with dietary fi ber such as sea tangle extracts, radish extracts and glasswort extracts. The patients were treated for four weeks. RESULTS: Most of the symptoms of IBS, with the exception of fl atulence, stool consistency, and frequency of defecation, signifi cantly improved in both groups. In the analysis of IBS subtypes, especially constipation-predominant IBS, the frequency and duration of defecation and straining at stool were improved more in the test group than in the control group. CONCLUSIONS: Dietary fiber had additive benefits for the symptoms of constipation, especially in constipation-predominant IBS.

The Clinical Findings of Gastrointestinal Burkitt Lymphoma in Adults / 대한소화기내시경학회지

BACKGROUND/AIMS: The endoscopic and clinical findings of gastrointestinal (GI) Burkitt lymphoma in Koreans are not well known. METHODS: From January 1995 to July 2007, 80 patients (47 adults and 33 children) were diagnosed with Burkitt lymphoma at our institution. The clinical and endoscopic manifestations were analyzed in the adult patients (n=20, median age=52 yr) with GI Burkitt lymphoma. RESULTS: The most frequent symptom was abdominal pain (50%) followed by epigastic soreness (30%). Among the 20 patients with GI Burkitt lymphoma, 11 (55%) had gastric lesions, 4 (20%) had colonic lesions, 3 (15%) had both gastric and duodenal lesions, 1 (5%) had both gastric and colonic lesions, and 1 (5%) had gastric, duodenal and colonic lesions. For the 13 patients who had endoscopic pictures available, the most common type of disease was the ulcerative type (38.5%) followed by the ulcerofungating and ulceroinfiltrative types (23.1% and 23.1%, respectively). Most of the patients were diagnosed with advanced disease. The most common clinical stage was stage IVE (60%) by the Musshoff staging system. All 20 patients received combination chemotherapy, and the 5-year survival rate was 64%. CONCLUSIONS: For patients with GI Burkitt lymphoma, the most commonly involved site was the stomach. Most lesions were ulcerative with or without fungating morphology. Considering the advanced stage of most patients, the prognosis after systemic chemotherapy was favorable.

Factors Associated with Malignancy in Gallbladder Polyps without Gallbladder Stone / 대한소화기학회지

BACKGROUND/AIMS: The purpose of this study was to find the factors predicting the neoplastic polyp of gallbladder and analyze the size criteria associated with malignancy. METHODS: A total of 354 subjects with gallbladder polyps confirmed by tissue pathology were included for the analysis. The clinical and radiological features of the polyps were compared between the two groups (neoplastic vs. non-neoplastic) and in the three groups (non-neoplastic vs. adenoma vs. adenocarcinoma). The independent factors associated with malignancy were studied. RESULTS: Of 354 patients, non-neoplastic polyps were observed in 229 (64.7%) patents, adenoma in 85 (24.0%) and adenocarcinoma in 40 (11.3%). The mean diameter of non-neoplastic polyp, adenoma, and adenocarcinoma were 11.3+/-2.8 mm, 16.0+/-7.2 mm, and 27.0+/-8.9 mm, respectively. The mean age of patients with non-neoplastic polyp, adenoma, and adenocarcinoma were 44.8+/-11.3, 49.9+/-12.5, and 60.8+/-9.6, respectively. Age, size of polyp, number of polyp, presence of diabetes, and presence of symptom showed statistically significant difference between the neoplastic polyp and non-neoplastic polyp groups. But only age, size of polyp, number of polyp were statistically independent factors associated with neoplastic polyp (p<0.05). To predict the neoplastic polyp, sensitivity was 94.4%, but specificity was 18.3% on the basis of 10 mm criteria. whereas sensitivity and specificity was 76.0% and 55.5% on the 12 mm-criteria. CONCLUSIONS: On the basis of our analysis, the size of polyp is the most important factor to predict the malignancy. In the 10 mm criteria, sensitivity is satisfactory but specificity is very low. Therefore 10 mm size should not be considered to be the absolute size-criterion for surgery.

The Stability of Peritoneal Dialysis for the Treatment of Chronic Renal Failure in Cirrhotic Patients Acompanying Ascites / 대한신장학회지

PURPOSE: When liver cirrhosis patients accompanying ascites need renal replacement therapy because of chronic renal failure (CRF), peritoneal dialysis (PD) can allow direct removal of ascites and prevent anticoagulants use. However, since PD might aggravate hypoalbuminemia and increase chances of peritonitis, clinicians tend to hesitate to apply it to those patients. The aim of the present study is to assess the outcome and stability of PD for the treatment of CRF patient with cirrhosis acompanying ascites. METHODS: A retrospective study based on the clinical records was performed in cirrhotic patients with ascites in whom PD was performed for the treatment of CRF and who were followed up at Samsung Medical Center unit, between January 1995 and July 2005. RESULTS: In our study, 15 patients were enrolled. Child-pugh class was worse in non-survival group than survival group (p<0.01). One-year patient survival was 40% in Class C and 75% in Class B, and patient survival differed between Class C and Class B (p=0.0014). Causes of death were terminal liver failure (n=6) and sepsis due to pneumonia (n=1). Total 27 episodes of peritonitis occurred, and the peritonitis rates were 0.91 episodes/patients-year. CONCLUSION: Although the peritonitis rates turned out somewhat high, the use of PD for the treatment of CRF in patients with liver cirrhosis accompanying ascites seems to be safe and effective. Main cause of death in our study seems to be related to liver disease.

Brain Natriuretic Peptide (BNP), N-terminal pro-BNP (NT-proBNP) and Cardiac Troponin T (cTnT) as Markers of Cardiac Diseases in Stable Hemodialysis Patients / 대한신장학회지

PURPOSE: The prevalence of coronary artery disease and left ventricular hypertrophy (LVH) is higher in patients with chronic kidney disease (CKD) than in the general population. In the general population, BNP, NT-proBNP, and cTnT are useful markers of cardiac disease. Recently, studies on biomarkers in patients with CKD have been reported. However, the effect of renal disease on these markers is still uncertain particularly in hemodialysis patients. We investigated the potential of BNP, NT-proBNP, and cTnT as biomarkers of cardiac disease in hemodialysis patients. Methods: We prospectively studied 27 hemodialysis patients without cardiovascular event within the last 6 months. We performed an echocardiography and blood samples for plasma BNP, NT-proBNP and cTnT. RESULTS: Median BNP, NT-proBNP, and cTnT level (pg/mL) were 433, 10,598, and 0.021, respectively. NT-proBNP was correlated with BNP (r=0.940, p=0.000) and cTnT (r=0.504, p=0.009). There was a negative correlation between BNP and left ventricular ejection fraction (LVEF) (r=-0.502, p=0.008), between NT-proBNP and LVEF (r=-0.556, p=0.003), and between cTnT and LVEF (r=-0.513, p=0.007). There was a positive correlation between BNP and LV mass index (LVMI) (g/m2) (r=0.619, p=0.001). Also, a positive correlation between NT-proBNP and LVMI was shown (r=0.718, p=0.000). There was an insignificant positive correlation between cTnT and LVMI (r=0.369, p=0.063). Albumin, cholesterol, LDL-cholesterol, and NT-proBNP had an independent effect on LVEF (R2=0.80). Age, body mass index, LDL-cholesterol, NT-proBNP, and cTnT had an independent effect on LVMI (R2=0.78). Conclusion: BNP, NT-proBNP, and cTnT may be as a noninvasive diagnostic or prognostic marker of cardiac disease in stable hemodialysis patients.

Efficacy and safety of high dose epoetin alfa therapy in CAPD patients by cross-over study / 대한내과학회지

BACKGROUND: Recombinant human erythropoietin (rHuEPO) is an essential and well-established treatment for renal anemia. Rcently, clinicians have moved toward administration of high dose rHuEPO to reduce the inconvenience and time efficient.We aimed to determine whether high dose subcutaneous (SC) epoetin alfa is as efficient and safe as the usual dose for treating anemia in continuous ambulatory peritoneal dialysis (CAPD) patients. METHODS: Twenty-four patients on CAPD were randomly assigned to a high-usual dose group (n=12) and an usual-high dose group (n=12) with a variable interval for 48 weeks. Patients received 10 times treatments by scheduled visiting during Period I lasting 24 weeks and received 4 times treatments by scheduled visiting in Period II lasting 24 weeks by cross-over. The high dose was 10,000 IU and the usual dose was 4,000 IU epoetin alfa regimen. If hematocrit was out of the targeted range, 30~39%, the interval of epoetin alfa was changed within 50% of the previous interval. RESULTS: Fifteen patients, out of 24, completed the study (8 patients in the high-usual dose group; 7 patients in the usual-high dose group). Mean hemoglobin levels at randomization and after 12, 24, 36 and 48 weeks were 10.8+/-1.1, 11.5+/-0.9, 11.5+/-1.5, 11.4+/-1.5, 11.5+/-0.8 g/dL, respectively, in high-usual dose group compared with 11.2+/-0.8, 11.4+/-1.2, 11.2+/-0.9, 11.2+/-1.4, 11.4+/-0.9 g/dL, respectively, in usual-high dose group. The mean weekly epoetin alfa dosages at randomization and after 12, 24, 36 and 48 weeks were 83.6+/-38.1, 87.1+/-35.8, 89.4+/-34.2, 60.1+/-25.1, 62.8+/-30.7 IU/kg/week, respectively, in high-usual dose group compared with 69.8+/-31.6, 64.9+/-12.2, 69.9+/-46.1, 78.8+/-29.3, 75.9+/-16.4 IU/kg/week, respectively, in usual-high dose group. No statistically significant differences between the two groups were apparent for hemoglobin levels or mean weekly epoetin alfa dosages. Treatment interval at Period I and Period II were 13.3+/-5.3, 8.2+/-4.3 days in high-usual dose group compared with 7.0+/-2.5, 13.4+/-4.0 days in usual-high dose group with statistically significant differences. Treatment interval in high dose was about two times as longer as usual dose. Adverse events were generally mild and transient, and pain on injection site following subcutaneous administration was rarely reported. CONCLUSIONS: This study demonstrates that epoetin alfa 10,000 IU is as efficient and safe as 4,000 IU with a similar weekly dose in CAPD patients. Epoetin alfa 10,000 IU administration can reduce frequency of injections by about one half.

Unawareness of Hypoglycemic Convulsion Due to Overestimation of Capillary Blood Glucose Levels in a Peritoneal Dialysis Patient Using Icodextrin / 대한신장학회잡지

In patients on peritoneal dialysis, ultrafiltration can be decreased after long-term dialysis. To solve this problem, icodextrin has been developed and used instead of glucose. Icodextrin infused into the peritoneal cavity is partially absorbed via lymphatics into the systemic circulation and hydrolyzed, and then its metabolites lead to measurement of high capillary blood glucose levels by reacting with the test strip. This excessive measurement of capillary blood glucose levels can lead to unawareness of hypoglycemia, but there has been no report of such cases in our country. A 26-year-old female patient who was on peritoneal dialysis with 7.5% icodextrin (Extraneal: Baxter Corporation, Chicago, IL, USA) presented with convulsion and hypoglycemia. To alert our physicians, we report it with a review of the literature, and recommend when a patient on peritoneal dialysis with icodextrin, blood sugar levels should be cross checked by other laboratory reference methods.

Plasma Levels of N-terminal pro-brain Natriuretic Peptide (NT-proBNP) and Left Ventricular Function in Patients with Chronic Renal Failure / 대한신장학회잡지

BACKGROUND: Circulating levels of N-terminal pro-brain natriuretic peptide (NT-proBNP) have been used to identify and monitor myocardial dysfunction in patients with various cardiac diseases. However, its clinical significance in patients with chronic renal failure (CRF) is uncertain because NT-proBNP clearance may be affected by renal function. METHODS: We studied 331 patients with CRF (eGFR 0.01) was strong independent correlate of NT-proBNP, eGFR (beta=-0.358, p0.01) and diastolic dysfunction 2 or higher (beta=0.171, p< 0.05) were also independent correlates of NT-proBNP. Receiver-operating characteristic (ROC) analyses demonstrated NT-proBNP to be 75% sensitive and 76% specific for the detection of left ventricular systolic dysfunction, as indicated by area under the ROC curve of 0.78 (p<0.05), with NT-proBNP cutoff concentration of 25,000 pg/mL. CONCLUSION: Circulating NT-proBNP levels increased with declining renal function. However, its level were significantly correlated with LVH, systolic and diastolic dysfunction in patients with CRF. The measurement of NT-proBNP levels might be useful to predict left ventricular dysfunction in patients with CRF.

A Case of Gastric Extramedullary Tumor after Lymphoblastic Crisis in a Patient with Chronic Myelogenous Leukemia / 대한소화기내시경학회지

A localized extramedullary tumor mass composed of immature cells has been reported in association with acute myeloid leukemia, myeloproliferative disorders, myelodysplasia in blast transformation or chronic myeloid leukemia with trilineage hematopoiesis, as well as in patients with no known hematological disorder. Although this tumor may involve anywhere in the body and give rise to a variety of signs and symptoms, there are several case reports of extramedullary tumor in Korea which described the involvement of the gastrointestinal tract. We report the occurrence of gastric extramedullary tumor and lymphoid blast crisis in a patient with complete remission after lymphoblastic transformation of chronic myelogenous leukemia. Endoscopic biopsy for gastric elevated lesion showed diffuse lymphoblast infiltration with TdT (terminal deoxynucleotidal transferase) and CD20 positive immature cells.

Mesenchymal Hamartoma of the Liver in Adults / 대한간학회지

Mesenchymal hamartoma of the liver (MHL) is a rare benign tumor usually found in childhood, especially during the first two years. MHL is extremely rare in adults. Most reported cases present with a slow growing abdominal mass. It is thought to be a developmental anomaly and consists of bile ducts, hepatocytes and mesenchymal tissue. We report a case of mesenchymal hamartoma of the liver in an adult male with a brief review of the literature.

A Case of Primary Gastric Burkitt's Lymphoma / 대한소화기내시경학회지

Primary gastric lymphomas can be defined as lymphomas which are confined to the stomach without systemic metastasis. Primary gastric Burkitt's lymphoma is a rare disease that belongs to the aggressive non-Hodgkin's lymphomas. Chemotherapy is the mainstay of treatment, even in the localized disease. We report a case of primary gastric Burkitt's lymphoma in a 24-year-old female presenting with an intermittent epigastric pain for 3 months. Upper gastroduodenal endoscopy detected an ulcer with thickened folds on the greater curvature side of the lower body, and histologic examination of the biopsy specimens revealed infiltration of medium-sized lymphoblasts with characteristic "starry sky" macrophages. Abdominal CT scan demonstrated marked gastric wall thickening and regional lymph node enlargement.

A Case of Primary Gastric Burkitt's Lymphoma / 대한소화기내시경학회지

Primary gastric lymphomas can be defined as lymphomas which are confined to the stomach without systemic metastasis. Primary gastric Burkitt's lymphoma is a rare disease that belongs to the aggressive non-Hodgkin's lymphomas. Chemotherapy is the mainstay of treatment, even in the localized disease. We report a case of primary gastric Burkitt's lymphoma in a 24-year-old female presenting with an intermittent epigastric pain for 3 months. Upper gastroduodenal endoscopy detected an ulcer with thickened folds on the greater curvature side of the lower body, and histologic examination of the biopsy specimens revealed infiltration of medium-sized lymphoblasts with characteristic "starry sky" macrophages. Abdominal CT scan demonstrated marked gastric wall thickening and regional lymph node enlargement.

A Case of Primary Small Cell Neuroendocrine Carcinoma of the Rectum / 대한소화기내시경학회지

Neuroendocrine carcinoma of the colon is a very rare entity. However, this type of tumor is known to have aggressive progression and poor prognosis. A case of a 72-year-old male is presented in this report. A 3 cm sized tumor was found on the rectum with multiple liver metastases. The pathological findings including a positive immunohistochemical staining for synaptophysin and cytokeratin done with colonoscopic biopsy and liver biopsy confirmed the tumor as a neuroendocrine carcinoma. The nomenclature and definition of this disease still remains somewhat unclear, and not a small population of this disease may thus have been misdiagnosed and treated as other less aggressive entities, such as carcinoid tumor. The necessity to make an accurate differential diagnosis in such cases is thus emphasized because of different treatments and clinical courses. For its rarity and clinical significance, we report this case with a review of the literatures.

A Case of Primary Small Cell Neuroendocrine Carcinoma of the Rectum / 대한소화기내시경학회지

Neuroendocrine carcinoma of the colon is a very rare entity. However, this type of tumor is known to have aggressive progression and poor prognosis. A case of a 72-year-old male is presented in this report. A 3 cm sized tumor was found on the rectum with multiple liver metastases. The pathological findings including a positive immunohistochemical staining for synaptophysin and cytokeratin done with colonoscopic biopsy and liver biopsy confirmed the tumor as a neuroendocrine carcinoma. The nomenclature and definition of this disease still remains somewhat unclear, and not a small population of this disease may thus have been misdiagnosed and treated as other less aggressive entities, such as carcinoid tumor. The necessity to make an accurate differential diagnosis in such cases is thus emphasized because of different treatments and clinical courses. For its rarity and clinical significance, we report this case with a review of the literatures.