Dynamic postcontrast MRI reveals strong enhancement of the normal pituitary and its stalk in the early phase in contrast to the faint enhancement of a microadenoma. [5] Macroadenomas (>1 cm) may compress/invade surrounding structures, including the optic chiasm, cavernous sinus, and bony sella.Tubal diseases [Figure 2]These mainly include destruction or obstruction and peritubal adhesions.Figure 2