Αρχειοθήκη ιστολογίου

Αλέξανδρος Γ. Σφακιανάκης
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5
Άγιος Νικόλαος Κρήτη 72100
2841026182
6032607174

Τρίτη 16 Ιανουαρίου 2018

CHILD Syndrome Mimicking Verrucous Nevus in a Chinese Patient Responded Well to The Topical Therapy of Compound of Simvastatin and Cholesterol

Abstract

Background

Congenital hemidysplasia with ichthyosiform erythroderma and limb defects (CHILD) syndrome is a rare X-linked dominant disorder characterized by peculiar cutaneous presentations and ipsilateral skeletal abnormalities. CHILD syndrome is caused by mutations in NSDHL gene, which involves in cholesterol synthesis.

Objectives

To verify the diagnosis of CHILD syndrome and seek effective pathogenesis-based therapy with little side effects.

Method

We comprehensively evaluated the patient's conditions. Pathological biopsy was performed in the lesion location. Genetic tests and real-time quantitative PCR were conducted to further confirm the diagnosis. The topical application of a mixed lotion containing 2% simvastatin and 2% cholesterol to lesion areas based on the pathogenesis as well as the literature review.

Results

We diagnosed a rare and typical case of CHILD syndrome cooccurring with multiple VX -like lesions. The gene mutation is a large deletion of exon 3 and 4 of the NSDHL gene, which was discovered and reported for the first time in CHILD syndrome. The skin lesions, including the verruciform plaques and VX-like lesions, improved obviously after treatment.

Conclusions

Multiple exons deletions or microdeletion were not rare in CHILD syndrome. Classical Sanger sequencing may not be useful enough to find all kinds of mutations. Next Generation Sequencing may be more effective. It is important to conduct genetic counseling to prevent more serious defects in descendants. The excellent therapeutic effect on CHILD syndrome resulted from the topical treatment with simvastatin /cholesterol provides a proof-of-concept for other topical pathogenesis-based therapies for skin disease.

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