Description of the disease * EnglishPolish Pobierz sekcję do PDF Definition A rare, lethal, congenital anomaly that may represent the most severe form of caudal dysgenesia and characterized by fusion of the lower limbs (mermaid-like) always associated with severe genitourinary and gastrointestinal anomalies. Furthermore, there is wide phenotipical variability in the musculoskeletal, central nervous system, cardiopulmonary, anomalies present. Pelvic, sacral and spinal defects , internal and external genitalia defects, renal agenesis, absent bladder, rectal/anal atresia are commonly described. Most cases are stillborn or die during, or shortly after, birth. Sirenomelia can be classified on the basis of limb malformations phenotypes. Due to the similarity, the distinction between sirenomelia and caudal regression syndrome, familial caudal dysgenesis and VACTERL is debated. Disease data Classification Malformation syndrome ORPHA code 3169 OMIM code 600145 ICD10 code Q87.2 ICD11 code LD2F.12 *Soruce Extended description of the disease Pobierz sekcję do PDF No additional description. Orphanet - interntowa baza danych dotyczących rzadkich chorób i sierochych leków. ©INSERM 1999 - Dostępna na stronie www.orphanet.pl