The presence of the central structure is most indicative of which disease?

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Multiple Choice

The presence of the central structure is most indicative of which disease?

Explanation:
A dense-core structure inside extracellular plaques points to Alzheimer's disease. In Alzheimer’s, senile (neuritic) plaques feature a central core of aggregated beta-amyloid that is clearly visible as a dense core on histology, surrounded by degenerating neurites. This central dense core is a defining lesion used to identify the disease in tissue samples. The other conditions have different hallmark findings—Parkinson’s disease shows Lewy bodies in dopaminergic neurons, Huntington’s disease involves caudate atrophy with gliosis, and Creutzfeldt-Jakob disease shows spongiform changes—so the presence of a central dense-core plaque best fits Alzheimer's.

A dense-core structure inside extracellular plaques points to Alzheimer's disease. In Alzheimer’s, senile (neuritic) plaques feature a central core of aggregated beta-amyloid that is clearly visible as a dense core on histology, surrounded by degenerating neurites. This central dense core is a defining lesion used to identify the disease in tissue samples. The other conditions have different hallmark findings—Parkinson’s disease shows Lewy bodies in dopaminergic neurons, Huntington’s disease involves caudate atrophy with gliosis, and Creutzfeldt-Jakob disease shows spongiform changes—so the presence of a central dense-core plaque best fits Alzheimer's.

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