Ultrastructure of different cell types containing crystalline inclusions.

(A) Kupffer cell containing rectangular and rhomboid crystals (× 10 000). (B) Similar crystalline intracytoplasmic inclusions in a hepatocyte. Note the mitochondria (M) and characteristic peroxisomes (P; × 21 000). (C) Geometrically shaped crystals in a plasma cell at the time of autopsy (× 5800).