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Table 4 Diagnostic criteria for OFD VI

From: Delineation and Diagnostic Criteria of Oral-Facial-Digital Syndrome Type VI

Molar tooth sign (MTS)* and one or more of

1. Tongue hamartoma(s) and/or additional frenula and/or upper lip notch

 

2. Mesoaxial polydactyly of one or more hands or feet

 

3. Hypothalamic hamartoma

  1. *, MTS is required for the index patient of a family; if MRI is not available, affected relatives need one of 1-3