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PubMed This is a summary of 20 peer-reviewed journal articles Updated
Pediatric Dermatology

Building Your Medical Team and Genetic Counseling

At a Glance

Children with lamellar ichthyosis benefit from coordinated care led by a pediatric dermatologist, with regular eye and ear monitoring, pediatric support, genetic counseling, and school accommodations. Testing can clarify the diagnosis but cannot reliably predict severity.

Because Lamellar Ichthyosis (LI) is exceptionally rare—affecting only about 1 in every 250,000 to 300,000 people—it requires a specialized medical team that looks beyond the surface of the skin [1]. Managing a “barrier disease” means coordinating care between several specialists to protect your child’s vision, hearing, and overall development [2][3].

The Multidisciplinary Care Team

No single doctor can manage all the facets of LI. A successful care plan typically involves a “hub-and-spoke” model, often led by a specialist in genodermatoses (genetic skin conditions) [2].

  • Pediatric Dermatologist: This specialist is the “lead” of the team. They manage the daily skin routine, monitor severity using tools like the mIASI, and decide when advanced treatments like oral retinoids are necessary [4][5].
  • Ophthalmologist: Due to the high risk of ectropion (eyelids turning out) and lagophthalmos (eyes not closing fully), regular eye exams are mandatory to prevent corneal scarring and vision loss [6][7].
  • Otolaryngologist (ENT): Scales and skin debris frequently block the ear canals, which can cause conductive hearing loss if not professionally cleaned [3].
  • Pediatrician: Your child’s primary doctor monitors growth, nutrition, and common complications, which can include heat risk and metabolic issues [8][9].
  • Psychosocial Support: Living with a visible rare disease can impact a child’s mental health and social development. Many expert centers now include psychologists or social workers to support the whole family [10][11].

The Importance of Genetic Counseling

While a clinical diagnosis of LI is made by looking at the skin, molecular diagnosis (genetic testing) is strongly recommended or useful in many specialist evaluations [12]. A Genetic Counselor is a vital team member who helps you navigate this complex information [2].

Understanding Testing Limits

  • Confirming the Subtype: Testing can help distinguish LI from more complex syndromes or other forms of ARCI [13]. However, testing does not always yield a diagnosis. A negative result or a “variant of uncertain significance” does not exclude ARCI or establish a subtype [14].
  • Predicting Severity: Genotype–phenotype correlations are not sufficiently deterministic to forecast an individual child’s course. Knowing the specific gene (such as TGM1, ABCA12, or ALOX12B) cannot perfectly predict future scaling or overheating [15].

Family Planning

LI is an autosomal recessive condition. This means that if both parents carry a pathogenic variant in the same relevant gene, there is a 25% chance of the condition appearing in each future pregnancy [16][17]. Genetic testing allows for:

  • Carrier Testing: Testing other family members to see if they carry a copy of the familial pathogenic mutation [17].
  • Prenatal Diagnosis: Testing a fetus during pregnancy via chorionic villus sampling (CVS) or amniocentesis [18].
  • PGT-M: Preimplantation genetic testing can be used during IVF to select embryos [19].
  • Note: Carrier testing, CVS, and PGT-M generally require identification of the familial pathogenic variants first, and prenatal procedures/IVF involve separate counseling, costs, and procedure-specific risks.

Practical Support and School Accommodations

Living with LI brings a high daily psychosocial burden. Practical help is essential for issues like school/daycare heat accommodations, caregiver burnout, and finding other families.

  • Emergency Care Plan Letter: Ask your care team to draft a sample school/emergency letter. This should detail the child’s early heat-warning signs, preferred cooling methods, emergency contacts, eye-care instructions, and physical education accommodations.
  • Advocacy Organizations: Links to reputable ichthyosis organizations (like FIRST) provide essential support networks for families navigating the daily realities of LI [20].

Common questions in this guide

Which specialists should be on a lamellar ichthyosis care team?
A pediatric dermatologist often coordinates skin care and monitoring. Depending on the child’s needs, the team may also include an ophthalmologist for eye protection, an ENT specialist for ear canals and hearing, a pediatrician, a genetic counselor, and a psychologist or social worker.
Why are eye and ear checks important in lamellar ichthyosis?
Eyelids turning outward or incomplete eye closure can damage the cornea and threaten vision, so regular ophthalmology visits are important. Skin scales and debris can block the ear canals and cause conductive hearing loss, making professional ear care and hearing monitoring useful.
What does genetic testing show in lamellar ichthyosis?
Genetic testing may help confirm lamellar ichthyosis, distinguish it from other forms of autosomal recessive congenital ichthyosis, and identify a familial gene change. A negative result or a variant whose meaning is uncertain does not rule out autosomal recessive congenital ichthyosis or establish a subtype, and genetic results cannot reliably predict disease severity.
What is the chance of lamellar ichthyosis in another pregnancy?
If both parents carry a disease-causing change in the same relevant gene, each pregnancy has a 25% chance of being affected. A genetic counselor can review the family’s test results and explain what this risk means for future pregnancies.
What family-planning tests are available for lamellar ichthyosis?
Options may include carrier testing for relatives, prenatal diagnosis through chorionic villus sampling or amniocentesis, and preimplantation genetic testing during IVF. These options usually require identifying the family’s disease-causing gene changes first, and each involves separate counseling, costs, and procedure-specific risks.
What should a school emergency plan include for a child with lamellar ichthyosis?
A written plan can list early signs of heat problems, preferred cooling methods, emergency contacts, eye-care instructions, and physical-education accommodations. The child’s medical team can help prepare a letter for school or emergency staff.

Get notified when new evidence is published on Lamellar ichthyosis.

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References

References (20)
  1. 1

    Case Report: Whole exome sequencing helps in accurate molecular diagnosis in siblings with a rare co-occurrence of paternally inherited 22q12 duplication and autosomal recessive non-syndromic ichthyosis.

    Gupta A, Sharma Y, Deo K, et al.

    F1000Research 2015; (4()):446 doi:10.12688/f1000research.6779.1.

    PMID: 26594337
  2. 2

    Congenital ichthyosis: a multidisciplinary approach in a neonatal care unit.

    Dias JV, Cardoso K, Prado SN, Cavaco H

    BMJ case reports 2023; (16(2)) doi:10.1136/bcr-2022-250077.

    PMID: 36854483
  3. 3

    Otologic Manifestations of Autosomal Recessive Congenital Ichthyosis in Children.

    Martín-Santiago A, Rodríguez-Pascual M, Knöpfel N, Hernández-Martín Á

    Actas dermo-sifiliograficas 2015; (106(9)):733-9.

    PMID: 26206273
  4. 4

    Secukinumab responses vary across the spectrum of congenital ichthyosis in adults.

    Lefferdink R, Rangel SM, Chima M, et al.

    Archives of dermatological research 2023; (315(2)):305-315 doi:10.1007/s00403-022-02325-3.

    PMID: 35218370
  5. 5

    High rate of self-improving phenotypes in children with non-syndromic congenital ichthyosis: case series from south-western Germany.

    Frommherz L, Krause A, Kopp J, et al.

    Journal of the European Academy of Dermatology and Venereology : JEADV 2021; (35(11)):2293-2299 doi:10.1111/jdv.17524.

    PMID: 34273205
  6. 6

    Ectropion Improvement with Topical Tazarotene in Children with Lamellar Ichthyosis.

    Hanson B, Becker L, Hook K, et al.

    Pediatric dermatology 2017; (34(5)):584-589 doi:10.1111/pde.13240.

    PMID: 28815772
  7. 7

    Case Report: Corneal Ulceration from Bilateral Ectropion Due to Congenital Ichthyosis.

    Vollmer L, Sowka J

    Optometry and vision science : official publication of the American Academy of Optometry 2019; (96(9)):706-709 doi:10.1097/OPX.0000000000001415.

    PMID: 31479026
  8. 8

    Quality of life and clinical characteristics of self-improving congenital ichthyosis within the disease spectrum of autosomal-recessive congenital ichthyosis.

    Hake L, Süßmuth K, Komlosi K, et al.

    Journal of the European Academy of Dermatology and Venereology : JEADV 2022; (36(4)):582-591 doi:10.1111/jdv.17873.

    PMID: 34908195
  9. 9

    An infant with lamellar ichthyosis presenting with meningitis.

    Mesfin T, Tsegaye M, Seyoum K, et al.

    Clinical case reports 2023; (11(12)):e8329 doi:10.1002/ccr3.8329.

    PMID: 38089483
  10. 10

    High Levels of Anxiety, Depression, Risk of Suicide, and Implications for Treatment in Patients with Lamellar Ichthyosis.

    Cortés H, Cariño-Calvo L, Reyes-Hernández OD, et al.

    Healthcare (Basel, Switzerland) 2023; (11(14)) doi:10.3390/healthcare11142071.

    PMID: 37510511
  11. 11

    Increased risk of depression and impairment in quality of life in patients with lamellar ichthyosis.

    Cortés H, Rojas-Márquez M, Reyes-Hernández OD, et al.

    Dermatologic therapy 2021; (34(1)):e14628 doi:10.1111/dth.14628.

    PMID: 33277959
  12. 12

    Spectrum of ichthyoses in an Austrian ichthyosis cohort from 2004 to 2017.

    Seidl-Philipp M, Schatz UA, Gasslitter I, et al.

    Journal der Deutschen Dermatologischen Gesellschaft = Journal of the German Society of Dermatology : JDDG 2020; (18(1)):17-25 doi:10.1111/ddg.13968.

    PMID: 31642606
  13. 13

    Next-generation sequencing through multi-gene panel testing for diagnosis of hereditary ichthyosis in Chinese.

    Cheng R, Liang J, Li Y, et al.

    Clinical genetics 2020; (97(5)):770-778 doi:10.1111/cge.13704.

    PMID: 31953843
  14. 14

    Novel Compound Heterozygous Variants in TGM1 and CYP4F22 in Two Newborns with Non-Syndromic Epidermal Differentiation Disorders (TGM1-nEDD and CYP4F22-nEDD).

    Serra G, Barbera G, Antona V, et al.

    Journal of clinical medicine 2026; (15(14)) doi:10.3390/jcm15145556.

    PMID: 42513470
  15. 15

    Mutational Spectrum of the ABCA12 Gene and Genotype-Phenotype Correlation in a Cohort of 64 Patients with Autosomal Recessive Congenital Ichthyosis.

    Hotz A, Kopp J, Bourrat E, et al.

    Genes 2023; (14(3)) doi:10.3390/genes14030717.

    PMID: 36980989
  16. 16

    Compound heterozygous ABCA12 variants identified in a Chinese patient with congenital ichthyosiform erythroderma: Advancing genotype-phenotype correlations and literature review.

    Liu JW, Guo K, Zhang R, et al.

    Molecular genetics & genomic medicine 2024; (12(5)):e2431 doi:10.1002/mgg3.2431.

    PMID: 38702946
  17. 17

    Gene-Targeted Next Generation Sequencing Identifies PNPLA1 Mutations in Patients with a Phenotypic Spectrum of Autosomal Recessive Congenital Ichthyosis: The Impact of Consanguinity.

    Vahidnezhad H, Youssefian L, Saeidian AH, et al.

    The Journal of investigative dermatology 2017; (137(3)):678-685 doi:10.1016/j.jid.2016.11.012.

    PMID: 27884779
  18. 18

    Novel compound heterozygous variants in TGM1 with the lethal neonatal collodion baby and autosomal recessive congenital ichthyosis.

    Pan Y, Xu H, Zeng M, et al.

    Archives of dermatological research 2025; (317(1)):611 doi:10.1007/s00403-025-03796-w.

    PMID: 40119962
  19. 19

    Genetic investigations of autosomal recessive inherited ichthyosis impressed by fetal ultrasound: Exome sequencing and haplotype linkage analysis.

    Chang TY, Lim ZW, Chu YT, et al.

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  20. 20

    Phase IIb randomized CONTROL study demonstrates a novel topical isotretinoin formulation, TMB-001, is safe and effective in participants with either recessive X-linked or autosomal recessive lamellar congenital ichthyosis.

    Murrell DF, Teng JMC, Guenthner S, et al.

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    PMID: 36794376

This page provides educational information about assembling a Lamellar Ichthyosis care team and using genetic counseling; it does not replace medical advice. Your child’s specialists and genetic counselor can interpret individual risks and test results.

Guide contents Lamellar ichthyosis
Research & Literature
06 Systemic Retinoids and Advanced Care Options