Fig. 1
(a was derived from Li Tian et al. [7], and b–d were from Ting Li et al. with permission [6])
Clinical presentations and representative biopsy samples of AL amyloidosis. Free light chains secreted by the clonal plasma cells deposit in various tissues, including the heart, kidney, liver, gastrointestinal tract, soft tissues and neural systems. Detailed information about each involved organ is summarized in the figure. The representative biopsy samples of the stomach (a), kidney (b), fat tissue (c) and skin (d) stained with Congo red show amyloid deposition in these tissues, indicated with arrows