Case 191 Medical history 27-year-old female patient has evolved over 3 months with progressive history of dismay, drowsiness and loss of appetite, accompanied by tension-type headache. She also presented alteration of memory and writing, reduced visual acuity and abnormal wind chill, incompatible with the environment. No changes in the menstrual cycle. It was performed a Magnetic Resonance Imaging (MRI) of the head (below). Image 1: Magnetic Resonance Imaging (MRI) of the head, axial section, T1-weighed without contrast.Image 2: Detail of Magnetic Resonance Imaging (MRI) of the head, sagittal section, T2-weighted.Image 3: Magnetic Resonance Imaging (MRI) of the head, axial section, Flair-weighted.Image 4: Detail of Magnetic Resonance imaging (MRI) of the head, sagittal section, T1-weighted, after contrast administration (Gadolinium). Question:Considering the clinical and imaging studies presented, which is the most likely diagnosis? Pituitary macroadenoma Intracranial germinoma Craniopharyngioma Pilocytic astrocytoma Time is Up! Time's up