| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Acropectoral syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Summitt syndrome | Finding site | True | Digit structure | Inferred relationship | Some | 2 | 
| Saethre-Chotzen syndrome | Finding site | True | Digit structure | Inferred relationship | Some | 2 | 
| Ichthyosis, oral and digital anomalies syndrome | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Acrocephalosyndactyly type I | Finding site | True | Digit structure | Inferred relationship | Some | 2 | 
| Acrocephalopolysyndactyly type II (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Orofacial-digital syndrome III | Finding site | True | Digit structure | Inferred relationship | Some | 3 | 
| Orofacial-digital syndrome IV | Finding site | True | Digit structure | Inferred relationship | Some | 3 | 
| Curry Jones syndrome | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Acrofrontofacionasal dysostosis type 2 | Finding site | False | Digit structure | Inferred relationship | Some | 3 | 
| Mirror polydactyly, vertebral segmentation and limb defect syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Short rib-polydactyly syndrome, Majewski type | Finding site | True | Digit structure | Inferred relationship | Some | 2 | 
| Schilbach Rott syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Poland anomaly | Finding site | True | Digit structure | Inferred relationship | Some | 2 | 
| Dandy-Walker malformation with postaxial polydactyly syndrome | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Aphalangy and syndactyly with microcephaly syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 2 | 
| Oral-facial-digital syndrome | Finding site | True | Digit structure | Inferred relationship | Some | 3 | 
| Syndactyly type 2 (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Arachnodactyly with abnormal ossification and intellectual disability syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Arachnodactyly and intellectual disability with facial dysmorphism syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Short rib polydactyly syndrome type I (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Holoprosencephaly and postaxial polydactyly syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Bilateral hypoplasia of tibia and postaxial polydactyly syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Acrocephalosyndactyly type V (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 2 | 
| Multinodular goiter, cystic kidney, polydactyly syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Acrocephalosyndactyly | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Cortical blindness, intellectual disability, polydactyly syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 2 | 
| Ventricular extrasystoles with syncope, perodactyly and Robin sequence syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Microcephalus with albinism and digital anomaly syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 3 | 
| Craniosynostosis Philadelphia type (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 2 | 
| Brain malformation, congenital heart disease, postaxial polydactyly syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 3 | 
| Familial digital arthropathy and brachydactyly syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Aphalangy and syndactyly with microcephaly syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Brachymorphism with onychodysplasia and dysphalangism syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 2 | 
| Acrocephalopolysyndactyly type IV (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Thumb stiffness, brachydactyly, intellectual disability syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Postaxial polydactyly and intellectual disability syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Craniofrontonasal dysplasia with Poland anomaly syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 3 | 
| Microcephalus and intellectual disability with phalangeal and neurological anomaly syndrome | Finding site | False | Digit structure | Inferred relationship | Some | 2 | 
| Neurofaciodigitorenal syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 2 | 
| Keutel syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 3 | 
| Hypotrichosis and intellectual disability syndrome Lopes type (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 2 | 
| Autosomal recessive faciodigitogenital syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 2 | 
| Persistent Mullerian derivative with lymphangiectasia and polydactyly syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 3 | 
| Hirschsprung disease with deafness and polydactyly syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Trigonocephaly with bifid nose and acral anomaly syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 3 | 
| Postaxial polydactyly, dental, vertebral anomalies syndrome | Finding site | True | Digit structure | Inferred relationship | Some | 3 | 
| Acrodysplasia scoliosis (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| FBLN1-related developmental delay, central nervous system anomaly, syndactyly syndrome | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Temtamy preaxial brachydactyly syndrome | Finding site | True | Digit structure | Inferred relationship | Some | 3 | 
| Syndactyly, nystagmus syndrome due to 2q31.1 microduplication | Finding site | True | Digit structure | Inferred relationship | Some | 2 | 
| Heart defect, tongue hamartoma, polysyndactyly syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Heart defect, tongue hamartoma, polysyndactyly syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 4 | 
| Ichthyosis, short stature, brachydactyly, microspherophakia syndrome | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Brachydactyly, short stature, retinitis pigmentosa syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Acrofrontofacionasal dysostosis type 2 | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Ohdo syndrome, Say-Barber-Biesecker-Young-Simpson variant | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Hand-foot-genital syndrome | Finding site | True | Digit structure | Inferred relationship | Some | 3 | 
| Timothy syndrome type 2 (disorder) | Finding site | False | Digit structure | Inferred relationship | Some | 1 | 
| Short rib polydactyly syndrome | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Type IV short rib polydactyly syndrome | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Type III short rib polydactyly syndrome | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Acrocephalopolysyndactyly | Finding site | True | Digit structure | Inferred relationship | Some | 3 | 
| Acrocephalopolysyndactyly type II (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 3 | 
| Acrocephalopolysyndactyly type III (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 3 | 
| Acrocephalopolysyndactyly type IV (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 3 | 
| Curry Jones syndrome | Finding site | True | Digit structure | Inferred relationship | Some | 2 | 
| Jackson-Weiss syndrome | Finding site | True | Digit structure | Inferred relationship | Some | 3 | 
| Congenital clinodactyly | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Pfeiffer syndrome type 1 (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Pfeiffer syndrome type 2 (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Pfeiffer syndrome type 3 (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Retinitis pigmentosa, hearing loss, premature aging, short stature, facial dysmorphism syndrome | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Autosomal dominant preaxial polydactyly, upper back hypertrichosis syndrome (disorder) | Finding site | True | Digit structure | Inferred relationship | Some | 3 | 
| TRAF7-associated heart defect, digital anomalies, facial dysmorphism, motor and speech delay syndrome | Finding site | True | Digit structure | Inferred relationship | Some | 3 | 
| Structure of lymphatic vessel of digit | Is a | True | Digit structure | Inferred relationship | Some |  | 
| Mirror-image polydactyly | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Short rib polydactyly syndrome type 5 | Finding site | True | Digit structure | Inferred relationship | Some | 1 | 
| Short rib polydactyly syndrome type 5 | Finding site | True | Digit structure | Inferred relationship | Some | 3 |