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Table 1 Clinicopathological findings in autosomal recessive congenital ichthyosis (ARCI) patient group

From: Role of molecular testing in the multidisciplinary diagnostic approach of ichthyosis

Target gene

Sample ID

Disease onset

Sex

Family history

Age at examination

Dermatological features

Extracutaneous findings

Histopathology/Immunopathology/Electron microscopyc

NIPAL4

ID-1

1 year

F

No

5 yrs

Brown scales, PP (+)

-

ARCI

 

ID-2

Birth

M

Yesa

2 yrs

Scales

-

NA

 

ID-3

Birth

M

No

22 yrs

Large brown scales, hyperkeratotic plaques

-

ARCI

 

ID-4

Birth

M

No

24 yrs

Face erythema, Hyperkeratotic plaques , PP (+++), ectropion,

-

Keratinopathic ichthyosis

ALOX12B

ID-5

Birth

M

No

2 yrs

Face erythema, lamellar scales, PP (+), ectropion

-

ARCI

 

ID-6

Birth, collodion

M

No

13 yrs

Face erythema, large scales, PP (++)

-

ARCI

 

ID-7

Birth

M

No

5 yrs

Erythema, thin and large scales, PP (+)

-

ARCI

 

ID-8

NA

 

NA

 

NA

NA

NA

 

ID-9

NA

M

No

72 yrs

Generalized erythema, large scales

-

ARCI

 

ID-10

Birth, collodion

F

No

1 mo

Fine scales, minimal erythema, PP (+), ectropion, ear deformity

-

ARCI

 

ID-11

NA

F

No

6 yrs

Large and medium brownish scales

-

NA

 

ID-12

Birth, collodion

 

No

Birth

Whitish and thin scales, PP (++), ectropion, eclabion

-

ARCI

 

ID-13

Birth, collodion

M

No

9 yrs

Fine whitish scales, particularly on the abdomen

-

Undefined

CYP4F22

ID-14

NA

NA

NA

NA

NA

NA

NA

 

ID-15

Birth, collodion

F

No

1 yrs

Rapid detachment of collodion and almost complete normalization of the skin (fine scaling), PP (+)

-

NA

TGM1

ID-16

NA

NA

NA

NA

NA

NA

NA

 

ID-17

Birth, collodion

M

No

16 yrs

Large brownish scales, erythema on face, PP (++), ectropion

-

ARCI

 

ID-18

Birth, collodion

F

No

3 yrs

Small whitish scales, PP (+), ectropion

-

ARCI

 

ID-19

Birth, collodion

F

No

4 mos

Scales

-

NA

 

ID-20

Birth, collodion

F

No

7 mos

Large brownish scales, onychodystrophy, PP (++), ectropion, eclabion, ear deformity

-

ARCI

 

ID-21

Birth, collodion

M

Nob

1 yr

Brownish large scales, slight erythema, PP (++), ectropion, eclabion

Prematurity, cryptorchidism

ARCI

 

ID-22

Birth

F

No

1 yr

Large scales

Psychomotor delay, pancytopenia,hepatomegaly

NA

ALOXE3

ID-23

Birth

M

No

1 yr

Fine small scales

-

ARCI

 

ID-24

Birth, collodion

M

No

3 yrs

Small thin scales, PP (++), ectropion, eclabion, ear deformity

-

ARCI

ABCA12

ID-25

Birth

M

Nob

15 yrs

Harlequin ichthyosis

NA

NA

 

ID-26

NA

F

No

6 yrs

NA

NA

A

 

ID-27

NA

F

NA

36 yrs

NA

NA

NA

/

ID-28

3 months

F

No

5 yrs

Small whitish scales

-

ARCI

/

ID-29

Birth

M

No

38 yrs

Erythema, brownish scales, onychodystrophy, PP (++)

-

NA

/

ID-30

Birth

F

No

26 yrs

Large scales

-

NA

/

ID-31

Birth

F

NAd

1 yr

Erythroderma, large whitish scales, hypotrichosis, onychodystrophy, PP (++), ectropion, ear deformity

Mental delay, cleft palate

Undefined

  1. aSister, bConsanguineous parents; NA not available, Yr(s) year(s), mo(s) month(s), PP palmoplantar involvement; (+) hyperlinearity; (++) mild/moderate keratoderma; (+++) pronounced keratoderma. cDiagnosis based on histopathological/immunohistochemical/ultrastructural findings; dthe patient was adopted