Case Reports in Hematology / 2018 / Article / Fig 3

Case Report

A Rare Case of Systemic AL Amyloidosis with Muscle Involvement: A Misleading Diagnosis

Figure 3

Presence of amyloid in the salivary gland. (a) Hematoxylin and eosin staining: some more dark areas between the muscle fibers are observed (×10). Olympus Bx51 optical microscope. (b) Congo red staining with polarized light: apple green birefringence. (c) Postembedding immunostaining: amyloid fibrils are intensely and specifically immunostained with anti-kappa light chain antibody (Dako, 1 : 100). Jeol JEM-1400 Plus electron microscope.
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