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Table 1 Haematological, Biochemical and Clinical Profile of 11 Patients with CDA type II

From: Development of High-Resolution Melting Curve Analysis for rapid detection of SEC23B gene mutation causing Congenital Dyserythropoietic Anemia type II in Indian population

Family

Proband

Age at diagnosis/ Sex

RBC

(x106/ul)

Hb

(g/dL)

HCT (%)

MCV

(fl.)

MCHC

(g/dL)

RDW

(%)

Retic

(%)

BM-LM

Presenting

Symptoms

EMA (MCF)

F1

II – 2

5Y/M

1.89

4.3

13.8

73

31.2

29.7

3

Erythroid hyperplasia,

few bi & multinucleated erythroblasts, occasional karyorrhectic forms, mild dyserythropoiesis

Chronic anemia,

Hepato-Splenomegaly

849

F2

II – 1

33Y/M

2.16

5.8

17.3

80.1

33.5

23

0.9

Erythroid hyperplasia, binucleated erythroblasts, dyserythropoiesis

Pallor, Icterus, anemia

Cholelithiasis, haemolytic facies

593

F3

II – 1

3 m/M

2.7

7.5

20.7

76.7

36.2

15.2

9

Not Done

Severe anemia, hepato-splenomegaly, neonatal jaundice

886

F4

II – 2

9 Y/ F

2.64

6.9

19.1

72.3

36.1

27.3

8

Erythroid Hyperplasia, binucleated erythroblasts

Chronic anemia,

Hyperbilirubinemia

630

F5

II – 3

12Y/M

2.66

7

21.5

80.8

32.6

30

4

Not Done

Severe anemia, Icterus

995

F6

II – 1

9Y/ M

1.65

6.2

18.3

110.9

33.9

20.7

2.4

Erythroid Hyperplasia, a large number of bilobed erythroid cells, some nuclear bridging

Severe anemia,

Neonatal Jaundice, splenomegaly

850

F7

II – 3

13Y/M

3.33

8.3

24.4

73.3

34

24.8

1.3

Not Done

Chronic haemolytic anemia, Icterus, Pallor, hepatosplenomegaly

780

II – 2

18Y/F

2.94

8.8

24.1

82

36.5

22.1

1.6

Erythroid hyperplasia, mild dyserythropoiesis, multinucleated erythroblasts, karyorrhexis, nuclear bridging

Severe anemia, recurrent jaundice, pallor, chipmunk facies

856

F8

II − 3

15Y/M

3.68

9.9

32

87

30.9

26

5

Not Done

Anemia, pallor, icterus, moderate splenomegaly

754

F9

II − 2

12Y/M

3.0

7.4

22.5

75

32.9

21.7

0.1

Dyserythropoietic normoblasts

Severe pallor, severe anemia, neonatal jaundice, splenomegaly

918

F10

II − 2

6 m/F

1.8

4

12.8

71.1

31.3

29.1

2.8

Not Done

Severe pallor, anemia, hemangioma

926

  1. Abbreviations: BM-LM: Bone Marrow analysis using Light Microscopy, EMA: Eosin-5’-Maleimide, MCF: Mean Channel Fluorescence