Fig. 3From: Ectopic germinal center and megalin defect in primary Sjogren syndrome with renal Fanconi syndromeEGC of pSS with Fanconi syndrome. Immunohistochemical staining for CD21 in the kidney cortex (a, b) (boxed area in a is enlarged in b: a × 40, b × 200). Classification of lymphocytes aggregating in the proximal tubule: c G1, d G2 and e G3Back to article page