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Peripheral Nerve Fascicle
Neuro Notes

Peripheral Nerve Fascicle

This 50-year-old patient underwent muscle biopsy to evaluate for cramps and myalgias. What is the structure in the following figure?…

These changes shown on toluidine blue-stained thick section represent partial crush and/or traction artifact
Neuro Notes

Toluidine Blue Stained Thick Section

This 57-year-old patient presented with a left foot drop of several weeks duration. Laboratory studies showed elevated ESR, and negative/normal…

Schwann Cell
Neuro Notes

Peripheral Nerve Myelinating Cells

Figure 1 shows a myelin sheath (arrow) with orderly myelin wrapping. No abnormality of myelin periodicity is seen (i.e. no…

By Kelly Mrachek, MD