Sign up for your questions, daily email, and CME for free. No need to hack the css. A 65-year-old female presents to her clinician for evaluation of chronic headaches. She says her headaches feel like they are "always there." She adds that she has chronic fatigue which is accompanied by difficulty concentrating, depression, cold intolerance, and weight gain. She does not understand why she is depressed as she recently got a job promotion, and her relationships at home are stable. She denies any other psychiatric or medical history. Further evaluation with bloodwork reveals a thyroid-stimulating hormone (TSH) of 100 mU/L (0.3-5.5 mU/L) with low free T4 of 0.2 ng/dl ( 0.5-1.5 ng/dL), confirming that patient has severe hypothyroidism. The provider orders a brain MRI. Which of the following finding is most likely expected? A. Normal Brain MRI B. An enlarged/hypertrophied pituitary C. Increased ventricular size D. 5 mm pituitary adenoma Adult Lab Normals Pediatric Lab Normals Calculator Teaching points How Other Users Answered