Chronic Tympanitis is related to klippel-feil syndrome 1 and synostoses, tarsal, carpal, and digital. An important gene associated with Chronic Tympanitis is BMPR1B (Bone Morphogenetic Protein Receptor Type 1B), and among its related pathways/superpathways are ERK Signaling and Osteoblast differentiation and related diseases. Related phenotypes are limbs/digits/tail and embryo