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Gas chromatographic (GC), mass spectrometric (MS), lectin binding and enzymatic analyses of the carbohydrates from Giardia cyst walls, intact cysts and trophozoites were performed to investigate the carbohydrate composition of Giardia cyst walls and to test the hypothesis that the Giardia cyst wall
A mass of 8 cm in diameter was revealed in the right upper lung field of a 46-year-old female patient. The chest X-ray film taken one year previously revealed only a linear shadow in the same position, which was thought to be a vacant cyst. The levels of carbohydrate antigen (CA) 19-9 in cyst fluid
Intact Giardia muris cysts were subjected to consecutive chloroform/methanol and 2% sodium dodecyl sulfate (SDS) extractions, and to amyloglucosidase treatment. The SDS-insoluble, amyloglucosidase-fast cyst walls (ACW) were further incubated with chymotrypsin, trypsin, papain, or pronase. Low
We evaluated carbohydrate antigen (CA) 19-9 levels of intracranial dermoid and epidermoid cyst in serum and intratumoral tissue. The preoperative serum levels were mildly to moderately higher than their normal ranges in four of seven patients. In four patients with high serum CA 19-9 levels, they
A 53-year-old woman was admitted with upper abdominal discomfort. Clinical examination revealed a mass of the upper left quadrant. Computed tomography disclosed a giant cystic lesion of 19 x 16 cm compressing the body and tail of the pancreas as well as the left kidney. Endoscopic ultrasound showed
Mice were infected with cysts of the ALT strain Toxoplasma by intraperitoneal injection. After 2-8 weeks disseminated cysts could be demonstrated in the brain tissue. All cysts showed identical histochemical characteristics, independent of their sizes or their cell number. The encysted organisms
A 58-year-old man presented with right-sided chest pain. Radiography and computed tomography showed a pleural effusion in the right chest and a mass in the right hilum. Thoracentesis showed a hemothorax. The carbohydrate antigen (CA) 19-9 level in the pleural effusion was very high, requiring
The cestodes constitute important but understudied human and veterinary parasites. Their surfaces are rich in carbohydrates, on which very little structural information is available. The tissue-dwelling larva (hydatid cyst) of the cestode Echinococcus granulosus is outwardly protected by a massive
This study examined the cyst-like structures found in human intestinal spirochaetes by transmission electron microscopy and by histochemical and immunocytochemical analysis. A human intestinal spirochaete which morphologically resembled other intestinal spirochaetes was grown anaerobically on blood
This study was designed to confirm the report by Vedtofte and coworkers that the epithelium of ameloblastomas can be distinguished from that of nonneoplastic odontogenic cysts by differences in expressivity of cell surface carbohydrates with blood group specificity. Immunoperoxidase techniques were
A case of bronchogenic cyst of the right lung in a 30-year-old woman who had elevated serum type 1 chain related carbohydrate antigens defined by the three monoclonal antibodies, CA19-9, CA50 and FH-7, is reported. The mucinous fluid from the cystic lesion contained extraordinary high antigen
In a rare case of bronchogenic cyst with high carbohydrate antigen (CA) 19-9 production, a 57-year-old man with coughing and chest pain was diagnosed with a subcarinal mediastinal tumor. Fiberoptic bronchoscopy showed an erosive mucosal lesion overlying the area of extrinsic compression at the
A 56-year-old man, tentatively diagnosed as having cardiomegaly, was found to have a large cyst in the left anterior mediastinum. At thoracotomy a multilocular cystic mass containing a colorless serous fluid was found and resected. Histologically, the cyst was lined with flattened epithelial cells,
Cyst fluid was aspirated from five thyroglossal duct cysts (TDCs) and four branchial cleft cysts (BCCs). The cyst fluid levels of carcinoembryonic antigen (CEA), carbohydrate antigen (CA) 19-9, squamous cell carcinoma antigen (SCC), and amylase were measured and compared between the two types of
The diagnosis of hepatic cyst infection is difficult in patients with autosomal dominant polycystic kidney disease (ADPKD). We hypothesized that carbohydrate antigen 19-9 (CA 19-9), secreted by the biliary epithelium lining the cysts, is overproduced in the case of cyst infection. In this report, we