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Progesterone receptor (PR)

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Fig 1a. Normal breast tissue stained for PR. All nuclei of ductal cells are strongly stained.

Fig 1b. Normal pancreas stained for PR. The endocrine islet cells are stained, while the exocrine cells are unstained.

Fig 2a. Ductal breast carcinoma stained for PR revealing a strong reaction.

Fig 2b. Meningioma stained for PR showing most nuclei positive.
HH/MV/AS

Last update 23-08-2007