Estrogen Progesterone Receptors

I ERPR

Test Synonym:

Immuno, Immunohistochemistry, Immunoperoxidase

Test Synonym:

88361 x2 – Morphometric analysis, tumor immunohistochemstry

Turnaround Time:

3 days

Methodology:

Immunohistochemistry

Specimen Requirements:

Formalin fixed paraffin embedded tissue block

Causes for Rejection:

Improper specimen labeling; insufficient sample; inadequate fixation and/or processing

Specimen Stability:

Indefinitely at room temperature

Storage and Handling:

Ship blocks at ambient temperature

Reference Range:

Marker and tissue specific, see report

Indication:

Results are reviewed by a board-certified pathologist to determine if tissues are positive or negative for estrogen/progesterone receptors.  These results may be used to assist in determining appropriate patient therapy or treatment.

References:

1. Battifora, et al. (1993). Appl  Immunohistochem 1:39-45
2. Perttschuk, et al. (1996). Cancer 77:2514-15
3. Press M, et al. (2002). Steroids 67: 799-813