Renal Amyloidosis: Epidemiological, Clinical, and Laboratory Profile in Adults from One Nephrology Center

Table 2

Underlying disease of renal amyloidosis

Underlying disease with AA amyloidosis	Number (n = 255)	%
Chronic sepsis	149	48.1
Tuberculosis	86	27.7
Bronchiectasis	48	15.5
Osteomyelitis	7	2.3
Echinococcosis	5	1.6
Others	3	1
Chronic inflammatory disease	28	9
Rheumatoid arthritis	12	3.9
Ankylosing spondylitis	8	2.6
Juvenile idiopathic arthritis	1	0.3
Crohn’s disease	3	1
Ulcerative colitis	1	0.3
Behcet’s disease	1	0.3
Takayasu	1	0.3
Scleroderma	1	0.3
Periodic fever syndromes	19	6.2
Neoplasia	5	1.6
Cancer solid (bladder: 1 case, colon: 1, lung: 1)	3	1
Lymphoma (Hodgkin: 1, breast: 1)	2	0.6
Unknown	54	17.4
Underlying disease with non-AA amyloidosis	(n = 55)
Multiple myeloma	15	4.8
Gammopathy	3	1
Waldenstrom’s syndrome	1	0.3
Unknown	36	11.6
Total	310	100