Anamnesis

Identification: Sex/Age: Female, 42 years

History: None relevant

Medication: Occasional use of NSAIDs for headache

Family history: Mother with breast cancer

History of Present Illness (HPI): Main symptom: Chronic progressive headache for 3 months

Characteristics:

Location: Holocranial

Character: Constant pressure

Intensity: 6/10, progressively worsening

Timing: More intense upon awakening

Aggravating factors: Change of position, physical exertion

Relieving factors: No analgesic effective

Associated symptoms:

Occasional nausea and vomiting

Progressive visual blurring

Loss of balance

Mild mental confusion

Physical/Neurological Examination: General: General condition preserved

Neurological:

Gait ataxia

Bilateral horizontal nystagmus

Bilateral papilledema

Symmetrical brisk deep tendon reflexes

Complementary Exams: Brain MRI: Expansive lesion of 4 cm in the fourth ventricle with secondary hydrocephalus

Chest/Abdomen CT: No metastases

Biopsy: Medulloblastoma (WHO grade IV)

Lumbar puncture: Opening pressure >25 cmH2O (not initially performed due to risk of herniation)

Report this case — e.g. suspected re-identification risk.