A H & E stain |
What is the most likely diagnosis? |
B H & E stain |
How would you interpret this finding? |
C Alkaline phosphatase stain |
Alkaline phosphatase diffusely stains the perimysium in this low power image of a muscle. How would you interpret this pattern of abnormality? |
D H & E stain |
What is wrong with the muscle fiber? How would you interpret this finding? What other stains might be performed to clarify the disease process? |
E Congo red stain |
What does this pattern of focal cellularity suggest? What additional stains would be useful to confirm your impression? |
F H&E stain |
What does this pattern of pathology suggest? What additional stains would be useful to confirm your impression? |
G H&E stain |
47 year old female with recent onset bulbar and proximal arm weakness and normal serum CK. What does this pattern of inflammation suggest? What additional tests would be useful to confirm your impression? |