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  • 1
    ISSN: 1436-2813
    Schlagwort(e): esophageal adenocarcinoma ; AFP ; liver metastasis
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract This paper describes a rare case of adenocarcinoma located in the middle portion of the esophagus with liver metastasis. An 80-year-old man was admitted to our hospital with dysphagia and vomiting, following which an upper gastrointestinal series and esophagoscopy located an elevated-type carcinoma in the middle thoracic esophagus. Computed tomography revealed an esophageal tumor invading the left atrium and aorta, and multiple intrathoracic lymph node swellings, and an ultrasonograph of the liver showed multiple liver metastases. The serum carcinoembryonic antigen, carbohydrate antigen 19-9, and squamous cell carcinoma-related antigen levels were normal, but the serum alpha-fetoprotein (AFP) level was 351.5 ng/ml. The patient died 124 days after undergoing an esophageal bypass operation. On post-mortem histological examination, the original esophageal tumor was diagnosed as a poorly differentiated adenocarcinoma without a squamous component and immunohistochemical staining for AFP showed positive granules in the cytoplasm. All the metastatic nodules, including the lymph nodes, liver, spleen, and lungs, showed the same histological type and AFP-staining pattern as the original esophageal tumor. To our knowledge, this is the first case of AFP-producing esophageal carcinoma to be reported in Japan.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    ISSN: 1436-2813
    Schlagwort(e): adult ; neuroblastoma ; retroperitoneal tumor ; pregnancy
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We report herein an extremely rare case of retroperitoneal neuroblastoma occurring in a mother during her third trimester of pregnancy. A live male infant was delivered by cesarean section at 36 weeks gestation and 23 days later, the mother's tumor was curatively resected. Six months have elapsed since her operation and there has been no evidence of tumor recurrence. Adult neuroblastoma is an uncommon malignancy and, to our knowledge, there has been no case of this tumor occuring in pregnancy ever described in the English literature. The diagnosis, treatment, and follow-up of this neoplasm and its association with pregnancy are discussed in this report.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    ISSN: 1573-7276
    Schlagwort(e): cell adhesion ; cell motility ; liver metastasis ; liver sinusoidal endothelial cells ; tumor growth
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Liver is the most common distant metastatic site for colorectal cancers and when blood-borne colorectal cancer cells reach the liver, they first encounter hepatic capillary and sinusoidal endothelial cells. Thus we studied differences between highly (HT-29LMM) and poorly (HT-29P) liver-metastatic sublines of human colorectal cancer cells by examining the interactions between tumor cells and liver microvessel endothelial cells. Using hepatic sinusoidal endothelial (HSE) and lung microvessel endothelial (MLE) cell-conditioned medium we measured the growth and motility stimulating activities released from these endothelial cells and adhesion of these cancer cells to the endothelial cells. Differences in the ability of HSE-conditioned medium (HSE-CM) or MLE-conditioned medium (MLE-CM) to stimulate HT-29 cell growth were not observed. There was a small but significant increase in the rate of adhesion of highly metastatic HT-29LMM cells to HSE cell monolayers than poorly metastatic HT-29P cells, but there was no difference in adhesion to MLE cell monolayers. HSE-CM stimulated the motility of highly metastatic colorectal cancer cells to a greater extent than the poorly metastatic cells. Motility-stimulating activity for the colorectal cancer cell lines was not detected in MLE-CM. The HSE-CM motility-stimulating activity for human HT-29 cells was not removed using antibodies against hepatocyte growth factor (HGF/SF), complement component C3 or laminin, indicating that it is not related to these known liver-derived motility factors. The results suggest that the ability of highly metastatic HT-29LMM colorectal cancer cells to colonize the liver is related to their ability to respond to liver sinusoidal endothelial cell-derived motility factors and to a lesser degree to adhere to liver sinusoidal endothelial cells.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 4
    ISSN: 1573-7276
    Schlagwort(e): annexin ; breast cancer ; calcium-binding protein ; cell surface ; immunohistochemistry
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Annexins are a family of structurally related, water-soluble proteins that have calcium- and phospholipid-binding domains. Annexin I is thought to be involved in cell proliferation and differentiation and has recently been shown to be expressed on the surfaces of lymphoma cells where it acts as an endothelial cell adhesion molecule. To evaluate the expression of annexin I in relation to human breast cancer development and progression we used breast biopsy tissues. Immunohistochemical analysis of annexin I in paraffin-embedded ductal epithelial cells of various human breast tissues indicated that this annexin was not demonstrable in the ductal luminal cells of normal breast tissues (n = 11) and benign tumors (n = 10) (except for one ductal adenoma) but was generally expressed in various types of breast cancers, including noninvasive ductal carcinoma in situ (DCIS), invasive and metastatic breast tumors (n = 33). The results suggest that annexin I expression might correlate with malignant breast cancer progression but it is most likely involved at an early stage of human breast cancer development.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 5
    ISSN: 1573-7276
    Schlagwort(e): gastric cancer ; liver metastasis ; multivariate analysis ; sialyl Lewis x ; sialyl Lewis
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract The expression of the sialyl Lewis x antigen (sLe x ) on surgical specimens of primary gastric cancer corre-lates with the degree of differentiation and synchronous and metachronous liver metastasis. Multivariate analysis by means of Quantification theory II revealed that sLe x expression was an independent risk factor for liver metastasis from gastric cancer.© Kluwer Academic Publishers 1998
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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