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Congenital lymphedema as a rare and first symptom of tuberous sclerosis complex.
Gene 753:144815 (2020)
Lymphedema are characterized by interstitial edema leading to swelling of extremities. They can be divided into primary and secondary lymphedema. Developmental abnormalities of the lymphatic system are responsible for the primary form of lymphedema. The secondary form of lymphedema is caused by damage of the lymphatic system due to external factors.Lymphedema can rarely be observed in patients with tuberous sclerosis complex (TSC), which is a neurocutaneous syndrome caused by pathogenic variants in the genes TSC1 or TSC2. Patients with TSC usually present with neurological manifestations and the development of multiple benign tumors of ectodermal origin. Typical onset for several symptoms is during the first year of life and in some cases lesions can be detected prenatally. Epilepsy is one of the most common manifestations, affecting up to 90% of TSC patients, and is associated with developmental delay. Early pharmacotherapy improves long term patient outcome.Trio exome sequencing was performed in a 3 weeks old girl with congenital lymphedema of the right lower extremity. Using a filter for de novo variants, the heterozygous missense variant c.2524C > T, p.(Gln842Ter) in TSC1 (NM_000368.4) could be identified. After the first onset of infantile spams at age 7 months treatment with vigabatrin was started immediately.We propose to include TSC1 and TSC2 analysis in the diagnostic work-up of patients with (isolated) congenital lymphedema as early diagnosis facilitates consequent treatment strategies potentially improving the prognosis of TSC patients.
Impact Factor
Scopus SNIP
Web of Science
Times Cited
Times Cited
Scopus
Cited By
Cited By
Altmetric
2.984
0.859
2
3
Anmerkungen
Besondere Publikation
Auf Hompepage verbergern
Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
Tuberous Sclerosis Complex ; Tsc ; Lymphedema ; Exome Sequencing ; Tsc1 ; Tsc2; Epilepsy; Children; Onset
Sprache
englisch
Veröffentlichungsjahr
2020
HGF-Berichtsjahr
2020
ISSN (print) / ISBN
0378-1119
e-ISSN
1879-0038
Zeitschrift
Gene
Quellenangaben
Band: 753,
Artikelnummer: 144815
Verlag
Elsevier
Verlagsort
Radarweg 29, 1043 Nx Amsterdam, Netherlands
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute of Neurogenomics (ING)
POF Topic(s)
30205 - Bioengineering and Digital Health
Forschungsfeld(er)
Genetics and Epidemiology
PSP-Element(e)
G-503200-001
WOS ID
WOS:000541914900029
Scopus ID
85085755114
Erfassungsdatum
2020-06-17