Rosenthal fibers are best described as which of the following?

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Study for the Histopathology and MTLE Test. Prepare with flashcards and multiple choice questions. Gain insights into the exam format, essential topics, and tips to excel your preparation!

Multiple Choice

Rosenthal fibers are best described as which of the following?

Explanation:
Rosenthal fibers are eosinophilic, tortuous, corkscrew-shaped inclusions within astrocytes. This distinctive astrocytic inclusion is classically seen in pilocytic astrocytoma and helps identify this tumor on histology. The other descriptions point to different cell types or conditions—Lewy bodies are intraneuronal and tied to Parkinson disease, hemosiderin-laden macrophages indicate prior hemorrhage, and basophilic rods in oligodendrocytes do not match the characteristic astrocytic corkscrew inclusions.

Rosenthal fibers are eosinophilic, tortuous, corkscrew-shaped inclusions within astrocytes. This distinctive astrocytic inclusion is classically seen in pilocytic astrocytoma and helps identify this tumor on histology. The other descriptions point to different cell types or conditions—Lewy bodies are intraneuronal and tied to Parkinson disease, hemosiderin-laden macrophages indicate prior hemorrhage, and basophilic rods in oligodendrocytes do not match the characteristic astrocytic corkscrew inclusions.

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