background : e-cadherin is a trans-membrane glycoprotein that plays a critical role in many aspects of cell adhesion as well as establishment and maintenance of epithelial cell polarity. loss of the adhesive function of e-cadherin seems to promote invasive and metastatic properties of neoplastic cells.   objectives: the present study is a retrospective study aiming to evaluate the loss of e-cad...

Eighteen cases of primary small cell carcinoma of the bladder were studied. Three patients survived for two years and one survived for five years, which was significantly worse when compared with poorly differentiated transitional cell carcinoma (WHO grade 3). Aggressive tumour behaviour was independent of the presence of neuroendocrine characteristics. Morphometric analysis showed that the nuc...

18F fluorodeoxyglucose positron emission tomography (18F-FDG PET) imaging is a useful modality in detecting various tumors, including renal cell carcinoma. We evaluated a patient with renal pelvic tumor (transitional cell carcinoma) with multiple metastases using 18F-FDG PET imaging and detected abnormal increased uptake of a right renal pelvic tumor extending to the renal cortex with liver met...

The clinical presentation of metastatic renal cell carcinoma to ovary is extremely rare as well as confusing due to its close resemblance to primary ovarian tumors, especially clear cell carcinoma. We present a case of metastatic renal cell carcinoma diagnosed in a 48-year-old female, who had renal cell carcinoma of the right kidney and right sphenoid wing meningioma of transitional type.

The association between phenacetin abuse and renal papillary necrosis is widely known. Recently, reports in the European literature indicated a possible correlation between phenacetin abuse and the development of transitional cell carcinoma of the renal pelvis and bladder. A case of transitional cell carcinoma associated with phenacetin abuse is presented. The pharmacology of phenacetin metabol...

Sir, Paraneoplastic syndromes are defined as nonmetastatic systemic effects that accompany malignant disease. These syndromes may occur in up to 10-15% of malignancies. A few paraneoplastic syndromes have been reported in metastatic transitional cell carcinoma including hypercalcemia, thrombocytosis, eosinophilia, nephrotic syndrome, acanthosis nigricans, dermatomyositis, polymyositis, and leuk...

Human transitional cell carcinoma of the bladder was successfully transplanted into the bladder of the NMRI-nu/nu mouse. Transplantation of a single-cell suspension from a human Grade II transitional cell carcinoma had an acceptance rate of 33%. The tumors showed invasive growth and could be identified by an anti-human monoclonal antibody. This tumor model can be valuable as an in vivo test sys...

Transitional cell carcinoma of the bladder remains a significant health problem in the United States. Approximately 54,400 new cases of transitional cell carcinoma were reported in the United States in 1999, and an estimated 12,500 deaths were attributed to this cancer.[1] These statistics have remained relatively unchanged over the last several decades despite improvements in both diagnostic i...