Table 1.

Relevant clinical and laboratory data of the proband (at different ages) and parents




Father, I-1

Mother, I-2





Proband, II-1







Normal values (range)
Age   35 y   32 y   Birth   2 mo   3 mo   6 mo   1 y   3 y   5 y   2-3 y  
Body weight, percentile   NA   NA   < 3rd   3rd   5th   10th   15th   15th   25th   NA  
Hb, g/L   149   128   40   74   76   82   98   90   85   130 (120-150)  
MCV, fL   84   79.6   71   75   69   50   50   48   51   80  
MCH, pg   28.8   27   14   14   15   15.3   14   13.5   15   26  
Serum ion, μM   14.3   12.9   ND   29.7   28.6   30.4   26.5   34.7   36.5   14.3 (10.6-21.5)  
Transferrin saturation, %   28   35   ND   85   100   80   63   80   90   7-30  
Ferritin, μg/L   110   133   ND   256   864   110   70   26   34   7-140  
FEP, μg/g Hb   ND   ND   ND   4.7   ND   ND   ND   ND   5.3   < 3  
Treatment
 
None
 
None
 
18 mL PRBCs
 
25 mL PRBCs
 
30 mL PRBCs
 
sc rEpo
 
sc rEpo
 
sc rEpo
 
sc rEpo
 
NA
 



Father, I-1

Mother, I-2





Proband, II-1







Normal values (range)
Age   35 y   32 y   Birth   2 mo   3 mo   6 mo   1 y   3 y   5 y   2-3 y  
Body weight, percentile   NA   NA   < 3rd   3rd   5th   10th   15th   15th   25th   NA  
Hb, g/L   149   128   40   74   76   82   98   90   85   130 (120-150)  
MCV, fL   84   79.6   71   75   69   50   50   48   51   80  
MCH, pg   28.8   27   14   14   15   15.3   14   13.5   15   26  
Serum ion, μM   14.3   12.9   ND   29.7   28.6   30.4   26.5   34.7   36.5   14.3 (10.6-21.5)  
Transferrin saturation, %   28   35   ND   85   100   80   63   80   90   7-30  
Ferritin, μg/L   110   133   ND   256   864   110   70   26   34   7-140  
FEP, μg/g Hb   ND   ND   ND   4.7   ND   ND   ND   ND   5.3   < 3  
Treatment
 
None
 
None
 
18 mL PRBCs
 
25 mL PRBCs
 
30 mL PRBCs
 
sc rEpo
 
sc rEpo
 
sc rEpo
 
sc rEpo
 
NA
 

FEP indicates free erythrocyte protoporphyrin; NA, not applicable; ND, not detected; PRBCs, packed red blood cells; sc rEpo, recombinant erythropoietin at a starting dose of 800 IU/kg subcutaneously twice a week (see “Patient” for details).

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