Carine Bonnard, Mohammad Shboul, Seyed Hassan Tonekaboni, Alvin Yu Jin Ng, Sumanty Tohari, Kakaly Ghosh, Angeline Lai, Jiin Ying Lim, Ene Choo Tan, Louise Devisme, Morgane Stichelbout, Adila Alkindi, Nazreen Banu, Zafer Yüksel, Jamal Ghoumid, Nadia Elkhartoufi, Lucile Boutaud, Alessia Micalizzi, Maggie Siewyan Brett, Byrappa Venkatesh, Enza Maria Valente, Tania Attié-Bitach, Bruno Reversade, Ariana Kariminejad
Mutations in CPLANE1 (previously known as C5orf42) cause Oral-Facial-Digital Syndrome type VI (OFD6) as well as milder Joubert syndrome (JS) phenotypes. Seven new cases from five unrelated families diagnosed with pure OFD6 were systematically examined. Based on the clinical manifestations of these patients and those described in the literature, we revised the diagnostic features of OFD6 and include the seven most common characteristics: 1) molar tooth sign, 2) tongue hamartoma and/or lobulated tongue, 3) additional frenula, 4) mesoaxial polydactyly of hands, 5) preaxial polydactyly of feet, 6) syndactyly and/or bifid toe, and 7) hypothalamic hamartoma...
March 29, 2018: European Journal of Medical Genetics