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Washington University Experience | DEVELOPMENTAL MALFORMATIONS | Ecchordosis physaliphora | 2A2 Ecchordosis physaliphora, adjacent to pituitary (Case 1) H&E 3
The ecchordosis (images 2A2-4) has a histologic appearance reminiscent of a chordoma. The nuclei are immunoreactive for brachyury (see image #2B1), a transcription factor.
