Definition A midline indentation of the convex anterior face of a vertebral body which may be identified in infants and persist into adulthood.
This term got 15 hits on 04/04/2014; it is not part of the working medical parlance.
Synonyms Hahn’s cleft, vascular channel
References KD Ebel, G Benz-BohmDifferential Diagnosis in Pediatric Radiology, Thieme, 1999
Synopsis of Roentgen Signs, p226