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Arias-Stella phenomenon

Arias-Stella phenomenon (Peruvian pathologist of J. Arias-Stella, sort. in 1924) – existence of the atypical cells in an endometria which are characterized by swelling, protoplasm vacuolation, a hyperchromasia, a hypertrophy of kernels with fragmentation. Arias-Stella a phenomenon is observed at a horionepitelioma, a vesical drift, during pregnancy.

 
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