Biomedical subjects
Publications and source records attributed to R Cunqueiro.
The paraganglia system is the largest component in the construction of the Disseminated Neuroendocrine System, comprising cells derived from the neural crest, with ability to synthesize and secrete catecholamines, hormones and peptides. A general explanation on the subject with a personal contribution is made.
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A case of synchronically coexistent carcinosarcoma and transitional cell carcinoma, with separate neoplastic processes in the same urinary bladder is presented. This tumour association is as far as we know, the second case reported in the literature. Carcinosarcoma was formed by an epithelial component represented by a high level transitional cell carcinoma and a mesenchymal component characterized by an unspecific fusocellular sarcoma with chondrosarcomatous differentiation. An immunohistochemical analysis was performed, confirming the dual nature of the carcinosarcoma.
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