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Biomedical subjects

A Bajtai

Publications and source records attributed to A Bajtai.

At least 37 records · Page 2Linked to original sources
PubMed1990

[Tomato skin in the common bile duct after endoscopic sphincterotomy].

Lithotomy and endoscopic sphincterotomy were carried out in a 83-year-old woman because of choledocholithiasis. One year later calculi and tomato skins were found in the common bile duct. Significance is attributed to the tomato skins in the development of calculi. The attention is drawn to the observation that operative interventions performed through the Vater's papilla, spontaneous or iatrogenic choledochoduodenal fistulas create favourable conditions for foreign material to get into the choledochus and this may cause lithogenesis.

Aged↗
PubMed1990

[Esophageal and gastric candidiasis].

The authors examined the morbidity rate of mycotic diseases of stomach and esophagus. There were 746 biopsian and abrasian cytologic samplings carried out in a year and 12.3% of the cases turned out to be positive. Comparing the two sampling patterns the abrasian cytology has proved to be more effective. The prevalence of candidiasis was found to be higher in case of malignant diseases. In states accompanied by low acid values (as in case of patients under H2-receptor blocking--treatment) mycotic infection proved to be more frequent, too.

Candidiasis↗
PubMed1990

[Unity of diagnostic pathology, continuing education and research at our institute].

Authors give a brief view on the activity in Institute of Pathology and Histopathology of Post-graduate University of Medicine. In its frame, close relation of diagnostic, post-graduate education and research activity is illustrated by examples of different fields (intestinal, cardiac, vascular system, respiratory tract, organ of locomotion, urological diseases, electronmicroscopic tumor diagnostics, endocrinology). Importance of modern morphological methods and their place both in practical and scientific activity are dealt with.

Cardiovascular Diseases↗
PubMed1989

[Digestive tract tumors after gastrectomy of peptic ulcer].

In a series of 160 patients submitted to esophageal resection because of cancer, four cases were found who have been partially gastrectomized for benign stomach or duodenal ulcer decades ago (2.5%). An other similar case was detected by endoscopy and aimed biopsy. In the sixth patient, the cancer developed simultaneously in the gastric remnant and in the distal jejunum loop after partial gastrectomy of Billroth--II. type. Two esophageal cancers of the above-mentioned four resected specimens, were in the T1 stage according to TNM classification of UICC. One tumour of the later two esophageal carcinomas did not reveal any clinical sign. The patient had at the same time early invasive cancer in the gallbladder and synchronously a renal cell carcinoma in the left kidney. The main clinical symptoms of the last patient could be attributed to the gallstone disease. The esophageal carcinomas that developed after partial gastrectomy did not show any difference neither in localization, in the macro- or in the microscopical features nor in the chronic esophagitis and epithelial dysplasia in comparison with other esophageal cancer of patients who were not submitted to partial gastrectomy. Attention must be called to the significance of reflux-esophagitis which can occur with partial gastrectomy. The follow-up of such patients is doubly important if the forceps biopsy detected epithelial dysplasia in the esophagus. On the other hand, the reconstruction of HIS-angle during partial gastrectomy is very important in the prevention of reflux-esophagitis.

Esophageal Neoplasms↗
PubMed1984

Gastric dysplasia. Significance and pathologic criteria.

In view of uncertainty regarding the criteria and significance of gastric dysplasia as a precancerous lesion, members of the Pathology Panel of the International Study Group on Gastric Cancer (ISGGC) reviewed microslides of 93 gastric lesions showing varying degrees of mucosal abnormality, and reached the following consensus: (1) immature and proliferating gastric epithelium can be divided into two categories: hyperplastic and dysplastic; (2) the term dysplasia, especially of high-grade type, should be restricted to precancerous lesions, and hyperplasia is applied to regenerative changes; (3) regenerative hyperplasia may be simple or atypical, but dysplasia includes both moderate and severe abnormalities, since they often coexist and can not be sharply separated; and (4) occasionally the possibility of malignancy can not be excluded in a severely dysplastic epithelium; in such a case rebiopsy and diligent follow-up are necessary to establish the diagnosis. Criteria for diagnosing dysplasia and hyperplasia are presented and discussed. The opinions are offered as guidelines for establishing the diagnosis of gastric dysplasia and for prospective studies.

Gastric Mucosa↗
PubMed1980

Atrophic gastritis and intestinal metaplasia in asymptomatic Hungarian and Italian populations.

The histological patterns of the gastric mucosa obtained by endoscopic biopsy were evaluated in two different ethnic groups, each containing one hundred patients without gastro-intestinal diseases. The incidence of atrophic gastritis and intestinal metaplasia increased with age in both groups, revealing a statistically significant difference above 60 years. The comparative study of gastric cancer death rates in the two population groups showed a significant prevalence in the Hungarians above 50 years. This fact seems to support the hypothesis that an ethnic group with high gastric cancer rate has a higher prevalence of atrophic gastritis and intestinal metaplasia in the older age groups, and offers additional evidence for the association of chronic inflammatory changes of the gastric mucosa with malignant gastric cancer.

Adult↗