Table 1: Presents the principal clinical and

laboratory characteristics of patients diagnosed

with IgA vasculitis (HSP) who subsequently developed

juvenile systemic lupus erythematosus (jSLE).18

Patient

Year

old

Sex

 

1

9

Male

IgA vasculitis with onset at the age of 9 years and 7 months, which later (3 months) progressed to jSLE, with the presence of nephritis, haemolytic anemia, serositis and lymphopenia

2

14

Female

IgA vasculitis onset with petechiae at the age of 14 years and 4 months, evolving to jSLE at 15 years and 2 months, with malar rash, photosensitivity, oral ulcers, arthritis, nephritis and lymphopenia

3

3

Female

IgA vasculitis with onset at the age of 3 years and 3 months, progressing to jSLE three months later, with the presence of arthritis, nephritis, serositis and haemolytic anemia

4

12

Female

IgA vasculitis with angina Ecchymos with onset at 12 years and 4 months of age, progressing to jSLE two months later, with the presence of arthritis and nephritis

5

9

Female

IgA vasculitis with onset at the age of 9 years and 11 months evolving to jSLE at the age of 10 years and one month, including the presence of malar rash, photosensitivity, oral ulcers, arthritis, nephritis, haemolytic anemia and lymphopenia

6

13

Female

IgA vasculitis with onset at 13 years and 7 months of age, progressing to jSLE by the age of 14 years, including the presence of malar rash, oral ulcers, arthritis, nephritis, serositis, haemolytic anemia and lymphopenia

7

12

Female

IgA vasculitis with onset at 12 years and 5 months of age that progresses to jSLE at 12 years and 7 months of age, with the presence of arthritis, nephritis, haemolytic anemia and lymphopenia

8

13

Female

IgA vasculitis with onset at 13 years and 2 months, progressing to jSLE at 13 years and 5 months of age, with the presence of nephritis and malar rash

9

9

Female

IgA vasculitis with an onset at 9 years and 11 months, progressing to jSLE at 11 years and 7 months of age, with the presence of malar rash, photosensitivity, arthritis and nephritis

10

11

Male

IgA vasculitis with an onset at 11 years and 11 months, progressing to jSLE at 12 years and 2 months with the presence of arthritis, nephritis, and lymphopenia

11

9

Male

IgA vasculitis with an onset at 9 years and 9 months, progressing to jSLE at 10 years and 1 month with the presence of arthritis, nephritis, hemolytic anemia and lymphopenia

12

10

Female

IgA vasculitis with an onset at 10 years and 7 months, progressing to jSLE at 12 years with the presence of malar rash, oral ulcers, arthritis, nephritis and lymphopenia

13

6

Female

IgA vasculitis with an onset at 6 years and 3 months, progressing to jSLE at 6 years and 7 months, with the presence of arthritis, nephritis and lymphopenia

14

5

Female

IgA vasculitis with an onset at 5 years and 2 months, progressing to jSLE at 7 years, with the presence of malar rash, oral ulcers, arthritis, nephritis, hemolytic anemia and lymphopenia

15

14

Female

IgA vasculitis with an onset at 14 years, which later (3 months) progressed to jSLE, with the presence of arthritis, nephritis and lymphopenia