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GENATLAS PHENOTYPE
last update : 28-01-2020
Symbol PTLAH
Location 17q23.2
HGNC id 9622
Name patella, aplasia-hypoplasia
Other name(s)
  • Scott-Taor syndrome
  • coxo-podo patellar syndrome, or ischiopatellar dysplasia
  • Corresponding gene TBX4
    Other symbol(s) SMS
    Main clinical features
  • isolated, characterized by patella aplasia or hypoplasia associated with various anomalies of pelvis and foot
  • Genetic determination autosomal dominant
    Related entries may include small patella syndrome (OMIM 147891)
    Function/system disorder osteo-articular
    Type disease
    Gene product
    Name T-box4
    Remark(s) . heterozygous TBX4 mutations are responsible for PTLAH, when homozygously inherited, the same alleles lead to lethal PAPPAS characterized by caudal regression with complete posterior amelia and pelvic aplasia (PMID: 31761294))