Proboscis lateralis.

Proboscis lateralis describes a rudimentary nasal structure or appendage that is located off- center from the vertical midline of the face. This anomaly is embryologically related to the median facial cleft and results in incomplete formation of one side of the nose. The abnormal side of the nose is represented by a tube-like rudimentary nasal structure attached at any point along the embryonic fusion line between the anterior maxillary process and the frontonasal process. Reconstruction should start at an early age as proboscis itself is the best option for heminose reconstruction. Cartilaginous or bony support can be planned in the late teens to give good aesthetic result. Here we report a rare case of proboscis lateralis in a 4-year-old female patient.