Anamnesis

Identification: Sex/Age: Male, 28 years History: Previously healthy, no regular medications Family history: Negative for headaches or neurological diseases History of Present Illness (HPI): Main symptom: Episodic headache for 3 months Characteristics: Location: Bilateral frontal and retro-orbital Character: Throbbing Intensity: 7-8/10 Duration: 15-30 minutes Frequency: 2-3 episodes daily Triggering factors: Change in head position (especially cervical flexion) Associated symptoms: Nausea, transient blurred vision, sudden episodes of leg weakness ("drop attacks") Physical/Neurological Examination: General: Preserved consciousness Neurological: Pupils equal and reactive to light Mild bilateral papilledema No focal motor or sensory deficits Slightly ataxic gait Complementary Exams: Magnetic Resonance Imaging of the Brain: Cystic lesion in the third ventricle (1.5 cm), compatible with colloid cyst, causing intermittent hydrocephalus Computed Tomography: Shows variation in ventricular size according to patient positioning

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