Labels:text | screenshot | black | black and white OCR: A microadenoma is described as having maximum diameter of up to 10mm, and excess of macroadenoma as having a diameter in not exceed this. The normal pituitary diameter doe sed using 10mm. A microadenoma is often visual nningor lly, the modern computed tomographic (CT) sc magnetic resonance imaging (MRI). Usu serum prolactin level is below 200ng/m (4,000mu/1)