Advances in laboratory medicine · 2024
Jordans' anomaly in Chanarin-Dorfman syndrome.
СтатьяНазвание и аннотация: Перевод в очереди
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Sánchez-Cortés Jorge, Gabaldó-Barrios Xavier
Аннотация
OBJECTIVES: Chanarin-Dorfman syndrome is a rare disease inherited in an autosomal recessive pattern whose prevalence does not exceed 130 cases worldwide.
CASE PRESENTATION: A 4-year-old patient with generalized erythematous-desquamative ichthyosiform syndrome since birth. The main laboratory finding was persistent hypertransaminasemia. Supplementary studies included peripheral blood smear (PBS), which revealed the presence of multiple cytoplasmatic vacuoles in polymorphonuclear leukocytes (PMN) and platelets. Ichthyosiform lesions concomitant to the presence of lipid vacuoles in peripheral blood PMNs are signs of Chanarin-Dorfman syndrome. Diagnostic suspicion was confirmed by genetic sequencing.
CONCLUSIONS: Chanarin-Dorfman syndrome is characterized by a mutation in the CGI-58 gene. This gene is involved in the catabolism of long-chain triglycerides stored in cytoplasmic lipid droplets. Jordans' anomaly is a congenital alteration characterized by the presence of multiple vacuoles in the granulocytic series due to defective lipid metabolism. In this syndrome, long-chain triglycerides build up in tissues, thereby causing dermatological manifestations that are controllable through diet.
CASE PRESENTATION: A 4-year-old patient with generalized erythematous-desquamative ichthyosiform syndrome since birth. The main laboratory finding was persistent hypertransaminasemia. Supplementary studies included peripheral blood smear (PBS), which revealed the presence of multiple cytoplasmatic vacuoles in polymorphonuclear leukocytes (PMN) and platelets. Ichthyosiform lesions concomitant to the presence of lipid vacuoles in peripheral blood PMNs are signs of Chanarin-Dorfman syndrome. Diagnostic suspicion was confirmed by genetic sequencing.
CONCLUSIONS: Chanarin-Dorfman syndrome is characterized by a mutation in the CGI-58 gene. This gene is involved in the catabolism of long-chain triglycerides stored in cytoplasmic lipid droplets. Jordans' anomaly is a congenital alteration characterized by the presence of multiple vacuoles in the granulocytic series due to defective lipid metabolism. In this syndrome, long-chain triglycerides build up in tissues, thereby causing dermatological manifestations that are controllable through diet.