Schmid, K. W. and Tötsch, M. and Hittmair, A. and Feichtinger, H. and Ladurner, D. and Hofstädter, Ferdinand (1989) Frequency of medullary thyroid carcinoma in an endemic goiter area. Modern Pathology 2 (2), pp. 90-93.
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A series of 41 poorly differentiated follicular carcinomas of the thyroid gland without histopathological features of medullary or papillary carcinoma and 9 cases of undifferentiated thyroid carcinoma of the small cell type (diagnosed between 1967 and 1983) were investigated immunohistochemically. Two poorly differentiated follicular carcinomas showed a considerable number of calcitonin-positive cells in addition to the weakly thyroglobulin-positive tumor cells. One of these cases revealed several areas with calcitonin-positive tumor cells with additional squamous metaplasia with keratinization. No medullary carcinomas could be demonstrated among the 9 cases previously diagnosed as undifferentiated thyroid carcinomas of the small cell type. From the epidemiological point of view the application of immunohistochemistry does not significantly increase the proportion of medullary carcinomas detected in our endemic goiter area. The incidence of medullary carcinoma remains surprisingly low when compared with nonendemic areas.
|Institutions:||Medicine > Lehrstuhl für Pathologie|
|Subjects:||600 Technology > 610 Medical sciences Medicine|
|Created at the University of Regensburg:||Unknown|
|Deposited On:||09 Jun 2010 16:34|
|Last Modified:||09 Jun 2010 16:34|
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