Rejected
at 7:18 p.m. Dec, 04, 2025 ]
by
mitchelnelson
Author:
kimsam
Type of change:
Content error
Rationale for change
card currently suggests that early dementia + parkinsonian = lewy body dementia (LBD), but LBD is a class of dementias which includes dementia with lewy bodies (DLB) and parkinson's. The form of LBD characterized by early onset dementias is DLB.
Rejection reason
Please resubmit with an acceptable source. Please reference rule #1 for submitting suggestions to the AnKing Step Deck.
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- What distinguishes this from Parkinson disease is that the dementia occurs before parkinsonism; otherwise considered dementia secondary to Parkinson disease (dementia with Lewy bodies)
- 2nd most common neurodegenerative disorder (after Alzheimer), shortened life expectancy relative to Alzheimer patients
- 2nd most common neurodegenerative disorder (after Alzheimer), shortened life expectancy relative to Alzheimer patients
| Parkinson-Plus Syndromes | ||||
|---|---|---|---|---|
| Type | Dementia with Lewy bodies | Multiple system atrophy (MSA) | Progressive supranuclear palsy | Corticobasal degeneration (CBD) |
| Definition | Parkinsonism and dementia < 1 year apart | Neurodegeneration of the substantia nigra | Neurodegeration of the midbrain-diencephalic junction, cerebellum, and cortex (mildly) | Neurodegeneration of cortex and basal ganglia |
| Important Clinical Signs | Dementia, Parkinsonism, Visual hallucinations | Motor abnormalities, Autonomic dysfunction (incontinence, orthostatic hypotension), cerebellar dysfunction | Vertical gaze palsy (esp downward gaze), Postural instability (↑ falls) | Alien limb phenomenon (can't recognize own limb), asymmetric motor apraxia |
| Pathology/Imaging | Lewy bodies in cortex | Hot cross bun sign on MRI | Hummingbird sign on MRI | Asymmetric cortical atrophy + bilateral basal ganglia atrophy |
Lecture Notes
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Missed Questions
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Pathoma
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Boards and Beyond
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First Aid


Sketchy 2




Watch Dementias DDx




Watch Dementias DDx
Sketchy Extra
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Picmonic
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Pixorize


Review Lewy Body Dementia


Review Lewy Body Dementia
Physeo
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Bootcamp
Watch associated Bootcamp video - Lewy Body Dementia
Watch associated Bootcamp video - Dementia: Parkinson Disease
Watch associated Bootcamp video - Dementia: Parkinson Disease
OME
Additional Resources
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