Catel–Manzke syndrome

Classification	D ICD-10: Q87.8; OMIM: 302380; MeSH: C535347; DiseasesDB: 33832;
External resources	Orphanet: 1388;

Catel–Manzke syndrome
Other names	Hyperphalangy-clinodactyly of index finger with Pierre Robin syndrome

Catel–Manzke syndrome is a rare genetic disorder characterized by distinctive abnormalities of the index fingers; the classic features of Pierre Robin syndrome; occasionally with additional physical findings. Pierre Robin syndrome refers to a sequence of abnormalities that may occur as a distinct syndrome or as part of another underlying disorder. Pierre Robin syndrome is characterized by an unusually small jaw (micrognathia), downward displacement or retraction of the tongue (glossoptosis), and incomplete closure of the roof of the mouth (cleft palate). It is also linked to hyper mobility syndrome.

Presentation

Infants with Catel–Manzke syndrome have an extra (supernumerary), irregularly shaped bone known as a Hyperphalangy located between the first bone of the index finger (proximal phalanx) and the corresponding bone within the body of the hand (second metacarpal). As a result, the index fingers may be fixed in an abnormally bent position (clinodactyly). In some rare cases, additional abnormalities of the hands may also be present. Due to the presence of micrognathia, glossoptosis, and cleft palate, affected infants may have feeding and breathing difficulties; growth deficiency; consistent middle ear infections (otitis media); and other complications.

In addition, some infants with the syndrome may have structural abnormalities of the heart that are present at birth (congenital heart defects). The range and severity of symptoms and findings may vary from case to case. Catel–Manzke syndrome usually appears to occur randomly, for unknown sporadic reasons.

Diagnosis

Prevalence

Currently there are only around 26 people in the world that are known to have this rare condition. Inheritance is thought to be X-linked recessive.[1]

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References

Online Mendelian Inheritance in Man (OMIM): 302380

External links

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[1] Online Mendelian Inheritance in Man (OMIM): 302380

Congenital abnormality syndromes
Craniofacial	Acrocephalosyndactylia Apert syndrome Carpenter syndrome Pfeiffer syndrome Saethre–Chotzen syndrome Sakati–Nyhan–Tisdale syndrome Bonnet–Dechaume–Blanc syndrome Other Baller–Gerold syndrome Cyclopia Goldenhar syndrome Möbius syndrome
Short stature	1q21.1 deletion syndrome Aarskog–Scott syndrome Cockayne syndrome Cornelia de Lange syndrome Dubowitz syndrome Noonan syndrome Robinow syndrome Silver–Russell syndrome Seckel syndrome Smith–Lemli–Opitz syndrome Snyder–Robinson syndrome Turner syndrome
Limbs	Adducted thumb syndrome Holt–Oram syndrome Klippel–Trénaunay–Weber syndrome Nail–patella syndrome Rubinstein–Taybi syndrome Gastrulation/mesoderm: Caudal regression syndrome Ectromelia Sirenomelia VACTERL association
Overgrowth syndromes	Beckwith–Wiedemann syndrome Proteus syndrome Perlman syndrome Sotos syndrome Weaver syndrome Klippel–Trénaunay–Weber syndrome Benign symmetric lipomatosis Bannayan–Riley–Ruvalcaba syndrome Neurofibromatosis type I
Laurence–Moon–Bardet–Biedl	Bardet–Biedl syndrome Laurence–Moon syndrome
Combined/other, known locus	2 (Feingold syndrome) 3 (Zimmermann–Laband syndrome) 4/13 (Fraser syndrome) 8 (Branchio-oto-renal syndrome, CHARGE syndrome) 12 (Keutel syndrome, Timothy syndrome) 15 (Marfan syndrome) 19 (Donohue syndrome) Multiple Fryns syndrome

Classification	D ICD-10: Q87.8 OMIM: 302380 MeSH: C535347 DiseasesDB: 33832
External resources	Orphanet: 1388