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Here’s a CBD-style breakdown for the case you mentioned:

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Case Brief:

• Patient: 11-year-old girl

• Symptoms: Worsening vision + daily headaches

• Duration: 6 months

• Context: Presented in Consultant360 interactive diagnostic quiz

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Clinical Considerations / Differential Diagnosis:

1. Refractive Errors / Progressive Myopia

   • Gradual worsening vision could indicate myopia progression.

   • Headaches may be secondary to eye strain.

2. Migraine / Primary Headache Disorders

   • Daily headaches in a child could be chronic migraine or tension-type headaches.

   • Often associated with visual changes (aura) or photophobia.

3. Intracranial Pathology

   • Brain tumor / mass lesion (e.g., posterior fossa or optic pathway tumors) can cause:

     • Progressive headaches

     • Visual changes (blurring, double vision, papilledema)

   • Idiopathic intracranial hypertension (IIH / pseudotumor cerebri):

     • Usually presents with headache, vision changes, sometimes nausea.

     • More common in overweight adolescent girls, but can occur in preteens.

4. Optic Neuritis / Demyelinating Disease

   • Less common at this age, but acute or subacute vision loss with headaches may warrant evaluation.

5. Other Causes

   • Systemic illness (e.g., anemia, endocrine disorders)

   • Eye pathology (cataract, retinal disease) – less likely to cause headaches.

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Red Flags requiring urgent evaluation:

• Rapidly worsening vision

• Persistent daily headache

• Vomiting or neurological deficits

• Papilledema on exam

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Recommended Workup:

• Ophthalmology referral (visual acuity, fundus exam, refraction)

• Neuroimaging (MRI brain) if papilledema or neurological signs are present

• Basic labs if systemic cause suspected

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Key Teaching Point (CBD-style):

• In children with progressive visual changes and chronic headaches, intracranial pathology must always be considered until ruled out, even if headaches seem benign or migraine-like.

• Early detection can prevent permanent vision loss.

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If you want, I can also create a concise “diagnostic reasoning table” showing the differential, supportive features, and next steps — perfect for quick CBD-style exam prep. Do you want me to do that?