Table 3a.

Disorders with Brachytelephalangic Chondrodysplasia Punctata (BCDP) in the Differential Diagnosis of CDPX1

Gene(s)DisorderMOIAdditional Overlapping FeatureFindings Distinguishing the Disorder from CDPX1
GGCX
VKORC1
Combined deficiency of vitamin K-dependent clotting factor 1 (OMIM 277450) & factor 2 (OMIM 607473)ARNasal hypoplasiaBleeding disorder due to variably ↓ levels of coagulation factors II, VII, IX, & X, & protein C, protein S, & protein Z
MGP Keutel syndrome (OMIM 245150)ARMore diffuse & progressive calcification of cartilage incl nose, auricles, & respiratory tract

AR = autosomal recessive; CDPX1 = chondrodysplasia punctata 1, X-linked; MOI = mode of inheritance

From: Chondrodysplasia Punctata 1, X-Linked

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