No abstract available.
Animals ; Carcinoma, Hepatocellular* ; Epidermal Growth Factor* ; Rats*

Two hundreds and forty six preoperative endoseopic gastric biopsies from 236 conaecutive cases were subjected to the retrospective analyais of diagnostic accuracy among 597 tumor- bearing gastrectomy specimens confirmed by extended histotopographic investigations during a period of 1980 to 1981 at Seoul National University Hospital. The overall diagnostic accuracy of endoscopic gastric biopsy was 93.1% with 0.8% false positivity and 3.5% of false negative caaes; of those, the concordance rate of preoperative biopsy diagnosis based on the histotopographic investigation of the gastrectomy remained in 85.5%, whereas 75% of diagnostic discrepancy wae reaulted from inappropriate biopsy sampling or failure of neoplastic tissue obtainability; and the rest of 25% was mostly false negative cases. (continue...)
Biopsy* ; Diagnosis ; Gastrectomy ; Retrospective Studies ; Seoul

5 alpha-reductase deficiency resulting in male pseudohermaphroditism is a rare disease characterized by clitoral-like phallus, bifid scrotum, urogenital sinus, testis cited in labioscrotal folds. Evaluation of plasma T/DHT ratios in infancy, particularly after hCG stimulation of the testes and elevated urinary tetrahydrocortisol (THF) to 5 alpha-tetrahydrocortisol(5 alpha-THF) ratios provide a valuable dianostic test for 5 alpha-reductase deficiency. We report one case of 5 alpha-reductase deficiency who were presented with ambiguous genitalia and elevated T/DHT ratio before and after hCG stimulation.
46, XY Disorders of Sex Development ; Cholestenone 5 alpha-Reductase* ; Disorders of Sex Development ; Plasma ; Rare Diseases ; Scrotum ; Testis ; Tetrahydrocortisol

Primary cystic neoplasia of the liver is rare. We report a cystadenoma with mesenchymal stroma (CMS) and a cystadenocarcinoma, and make a review of literature with particular reference to their histogenesis. The CMS has many similarities to the ovarian mucinous cystadenoma; occurring almost exlusively in female, being lined by mucus-secreting epithelial cells, and containing dense ovarian-like stroma. These features suggest that CMS may arise from the ectopic ovarian tissue within the liver. Cystadenocarcinoma may have its origin in CMS or cystadenoma without mesenchymal stroma of CMS. Cholangiocarcinoma arising from the congenital hepatic cysts can be differentiated only when it contains benign epithelia.
Female ; Humans ; Cysts

In this study noise source in a ward at four general hospitals in Seoul area has investigated and analysed. The degree of reaction against noise by 171 randomly has also been examined. The results of the study have shown that the source of noise is the speakers of wired broadcasting or from visiting guests in two hospitals located in residential area. The patients at the two other hospitals located at commercial site have been suffered more from traffic noise, However, because of their separated living at hospital from their ordinary houselife, sixty on percent of the inpatients have wished a music sound of around 60 dB (A). After having considered the results of the investigation and wishes of the inpatients, following suggestions have been made: 1. Reduce the number of guests or their length of stay. 2. Wired bodadcasting system should be substitued by sireless one, or if it's unavoidable, it should be used in office rooms only. 3. Since the stops and starts of vehicles induce much noise, Seoul City Government be requested to prepare an appropriate administrative measure for the vehicles around hospital area and ti should prevent the establishment of new hospitals along high way site. 4. By using earphone, inpatients can choose a wireless channel according to each individual's taste. This through the masking effect, would cover up the noise source. 5. Rooms along the streets should be utilized as offices, otherwise double windows should be set up for inpatient's wards.
Hospitals, General ; Humans ; Inpatients ; Length of Stay ; Local Government ; Masks ; Music ; Noise* ; Seoul

Nesidioblastosis, also known as persistent hyperinsulinemic hypoglycemia of infancy(PHHI) or familial hyperinsulinsm, is the most common cause of recurrent severe hypoglycemia in infancy. It is an autosomal recessive disorder characterized by irregular insulin secretion leading to inappropriately raised plasma insulin concentration compared to blood glucose levels. Recently, mutations in the sulfonylurea receptor(SUR) have been described in association with PHHI. The mainstay of medical treatment is glucose infusion and diazoxide or long acting somatostatin. If medical treatment fails in preventing hypoglycemia, near total pancreatectomy is recommended. We report one case of nesidioblastosis cured by near total pancreatectomy with brief review of literatures.
Blood Glucose ; Congenital Hyperinsulinism* ; Diazoxide ; Glucose ; Humans ; Hypoglycemia ; Infant, Newborn* ; Insulin ; Nesidioblastosis* ; Pancreatectomy ; Plasma ; Somatostatin

For sequential phenotypic changes including enzyme altered hepatocytic foci, hyperplastic nodules, hepatocellular adenomas and carcinomas were produced in Sprague-Dawley rats by Solt-Farber method (administration of diethylnitrosamine and acetylaminofluorene (AAF), and partial hepatectomy). The immunohistochemical expressions of glutathione S transferase P (GST-P) and bromodeoxyuridine (BrdU) were assessed for selective proliferative activity in the enzyme altered foci and the subsequently developed lesions by double immunohistochemical staining technique. Immunoreactive areas against GSTP gradually increase from early period of carciogenesis. BrdU labeling in such areas remained high during the first week. but decreased thereafter. BrdU labeling index remained low in the GSTP negative area throughout the experimental period. This suggests that cells in the enzyme altered foci keep away from the suppressor effect of AAF in contrast to the normal cells in which their growth are inhibited by AAF. BrdU labeling index remained very low in both hyperplastic nodule and adenoma which were prevalent during the mid-experimental period, but increase markedly in carcinoma. The long period of low BrdU labeling index seems to correspond to the "slowly growing step of persistent nodule" during hepatocarcinogenesis. The differentiation index, a ratio of S phase fraction between GSTP positive and negative areas, was low in adenoma-developing period and high in carcinoma-developing period. C-Ha-ras p21 was not expressed in foci of enzyme altered hepatocyte and hyperplasia, but highly positive in carcinoma. This indicates that the c-Ha-ras may involve the late step of hepatocarcinogenesis.
Rats ; Animals ; Adenoma ; Carcinoma, Hepatocellular

No abstract available.
Animals ; Mucous Membrane* ; Nucleolus Organizer Region* ; Rats*

Calcification and ossification of colon cancer is frequently encountered, especially in the mucinous carcinoma. However, cartilage formation or enchondral ossification has rarely been described in human colon cancer. This report describes a case of a 59-year-old man with retroperitoneal metastasis of mucinous adenocarcinoma of colon, which showed a widespread heterotopic ossification through membranous or enchondral ossification. The ossification appeared in apposition to tumor cell nests and in the organized mucin pool. In our knowledge, this is the first case showing enchondral ossification in gastrointestinal carcinoma in Korea.
Adenocarcinoma* ; Adenocarcinoma, Mucinous ; Cartilage ; Colon* ; Colonic Neoplasms ; Humans ; Korea ; Middle Aged ; Mucins ; Neoplasm Metastasis ; Ossification, Heterotopic

Squamous cell carcinomas and adenosquamous carcinomas are rarely originated from the stomach, thus the limited and sporadic informations about their clinico-pathologic characteristics as well as histogenesis have been elucidated. Six cases of primary squamous cell carcinoma (3 cases) and adenosquamous carcinoma(3 cases) in the stomach were examined during a period of 4 years from 1981 to 1984. After pertinent review of both clinical data and morphology through extended histotopographic study performed on 4 cases, their clinicopathologic characteristics were described. Male to female sex ratio was 4 : 2 and average age was 58.6 years. Clinical presentations or physical findings were not different from those of adenocarcinoma. Tumor masses of all cases were located in the body or phloric antrum. In all cases except for the early gastric carcinoma, each tumor was larger than 8 cm in long axis, and showed expansile and intraluminal endophytic growing tendencies with sharp margin. Simple Borrmann's macroscopic classification was applicable to none of 6 cases because of irregular and multicentric ulceration pattern and occasional submucosal growth which were reminiscent of those in submucosal tumors such as malignant lymphoma and leiomyosarcoma. Virtually four out of all six cases were diagnosed as submucosal tumor at the time of radiological examination. Microscopically three cases were composed of pure squamous cell carcinoma and remaining three contained both adeno and squamous components. Metastatic regional lymph nodes revealed only squamous element in case of pure squamous cell carcinoam, while both components were identified in adenosquamous carcinomas. Surrounding non-tumors mucosa exhibited moderate to severe degree of intestinal metaplasia accompanied by multifocal mucin pool formation. Growth pattern and surrounding mucosal changes as with older age prevalence of these tumors might express the biological behavior of intestinal type of gastric carcinoma.
Female ; Male ; Humans ; Neoplasm Metastasis