Case Report
Atypical Presentation of Amyloidosis in a Female Patient with Muscle Weakness
Figure 5
Muscle biopsy of the medial head of the gastrocnemius muscle demonstrating deposition of hyalinized amorphous extracellular eosinophilic material in vessel walls and endomysial connective tissue. (a) Hematoxylin and eosin. (b) Congo red.