Which of the following diseases is characterized by dementia associated with asymmetric atrophy of frontal and temporal lobes?

Appeared in: DSSSB 13 August 2024

Explanation

Pick's disease is a form of frontotemporal lobar degeneration.
It is characterized by progressive dementia that begins before the age of 75.
The key pathological finding is severe, asymmetric atrophy concentrated in the frontal and temporal lobes.
This specific pattern of brain atrophy leads to prominent early symptoms of personality, behavioral, and language changes, which distinguishes it from other dementias like Alzheimer's disease.

Why Other Options Were Wrong

Option A: Asperger's syndrome (now part of Autism Spectrum Disorder) is a neurodevelopmental disorder, not a neurodegenerative disease. It affects social interaction and communication from an early age and does not cause dementia or lobar atrophy.
Option C: Ganser syndrome is a rare psychiatric (dissociative) disorder, not a neurodegenerative one. It is characterized by giving approximate answers (vorbeireden) and is not associated with brain atrophy.
Option D: Creutzfeldt-Jakob disease (CJD) is a prion disease that causes rapidly progressive dementia. However, its pathology involves widespread spongiform changes in the brain, not the specific asymmetric frontotemporal atrophy seen in Pick's disease.

Related Visual

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Pathophysiology and characteristics of Pick's disease (Frontotemporal Dementia) as background academic context rather than a clinical decision trigger.
Differentiating frontotemporal dementia (like Pick's disease) from Alzheimer's is crucial for management and family counseling. FTD often presents with behavioral issues first, while Alzheimer's typically starts with memory loss.
Nurses must perform careful behavioral and personality assessments in patients with suspected dementia, as these changes are key diagnostic clues for FTD.
Patient and family education is vital, focusing on managing challenging behaviors like disinhibition, apathy, and compulsive actions, which can be very distressing.

How to Approach the Question

First, analyze the question stem to identify the key clinical features: 'dementia,' 'asymmetric atrophy,' and 'frontal and temporal lobes.'
Recognize that this combination points to a specific type of neurodegenerative disease affecting particular brain regions.
Evaluate each option based on these key features.
Recall that Pick's disease is the classic example of frontotemporal dementia, matching the description perfectly.
Eliminate the other options by identifying their core nature: Asperger's (neurodevelopmental), Ganser (psychiatric/dissociative), and Jakob (prion disease with different pathology).

Concept Tested & Keywords

Concept Tested: Pathophysiology and characteristics of Pick's disease (Frontotemporal Dementia).
Stem keywords: dementia, asymmetric atrophy, frontal lobes, temporal lobes
Lead-in keywords: characterized by
Negative lead-in flag: false

Question ID

QdOgAltcyWeuidMsaHYNpR

Reference Book

E6 Kaplan Sadock's Synopsis of Psychiatry-2022 (pp 1-3768 of 3768) p. 785-787

E6 Robert Boland, Marcia L. Verduin - Kaplan and Sadock's Comprehensive Text of Psychiatry-Wolters Kluwer Health (2024) (pp 1-16525 of 16525) pp. 15678-15680, 4117-4119

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