Inhibin

Specimen:

5 mL blood in plain or lithium heparin tube.

The specimen should be separated and frozen promptly.

Method:

Immunoassay.

Reference Interval:

Consult pathologist.

Application:

Tumour marker for granulosa cell tumours and mucinous ovarian tumours; monitoring levels after surgery to detect recurrence.

The test should not be used to screen for the presence of these tumours.

Interpretation:

Levels must be interpreted with reference to gender and to the stage of the menstrual cycle or menopausal state.

Reference:

Robertson DM et al. Mol Cell Endocrinol 2002; 191(1): 97-103.