Dermatology Review
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eISSN: 2084-9893
ISSN: 0033-2526
Dermatology Review/Przegląd Dermatologiczny
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SCImago Journal & Country Rank
2/2025
vol. 112
 
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abstract:
Case report

Non-invasive Imaging of Netherton Syndrome with Reflectance Confocal Microscopy and Line-field Confocal Optical Coherence Tomography

Monika Jarowicz
1
,
Hubert Borzuta
2
,
Agnieszka Michalczyk
1
,
Joanna Czuwara
1
,
Anna Waśkiel-Burnat
1
,
Lidia Rudnicka
1

  1. Department of Dermatology, Medical University of Warsaw, Poland
  2. Department of Experimental and Clinical Physiology, Preclinical Research Center, Medical University of Warsaw, Poland
Dermatol Rev/Przegl Dermatol 2025, 112, 112-119
Online publish date: 2025/06/30
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Introduction:
Netherton syndrome is a genodermatosis caused by a muta­tion in the SPINK5 gene, which encodes serine protease inhibitor LEKTI. LEKTI deficiency overactivates kallikrein-related peptidases, causing epidermal and hair shaft keratinization abnormalities. The characteristic clinical triad includes congenital ichthyosiform erythroderma or ichthyo­sis linearis circumflexa, atopic diathesis and trichorrhexis invaginata.

Objective:
To demonstrate how reflectance confocal microscopy and line-field confocal optical coherence tomography support the diagnosis of Netherton syndrome.

Case report:
A 3-year-old girl presented with erythematous, polycyclic plaques with peripheral scaling located on the face, trunk, upper and lower extremities. Trichoscopy showed bamboo hairs and golf tee-like endings. Reflectance confocal microscopy and line-field confocal optical coherence tomography revealed scale, parakeratosis, acanthosis, spongiosis and perivascular inflammatory infiltrates, which were confirmed by histopathological examination.

Conclusions:
Trichoscopy, reflectance confocal microscopy and linefield confocal optical coherence tomography can facilitate the diagnosis of patients presenting with eczema-like lesions and brittle hair to identify Netherton syndrome. To our knowledge, this is the first line-field confocal optical coherence tomography documentation of Netherton syndrome.

keywords:

bamboo hair, trichoscopy, reflectance confocal microscopy, Netherton syndrome, line-field confocal optical coherence tomography



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