What are the possible space-occupying effects of prolactinomas?

Updated: Mar 25, 2018
  • Author: Venkatesh Babu Segu, MD, MBBS, DM; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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Answer

Correlating with the size of the tumor, the space-occupying effects of prolactinoma are same as any other large tumor:

  • Larger tumors are frequently associated with headache secondary to stretching of the pain-sensitive structures around the pituitary gland. [19]

  • Encroachment of surrounding tissues may result in visual problems in the form of field defects. Visual problems range from bitemporal hemianopsia (from compression of the optic chiasm), which is common, to total vision loss and ophthalmoplegia (from compression of cranial nerves III, IV, or VI).


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