leptomyelolipoma https://github.com/monarch-initiative/mondo/issues/6752 https://github.com/monarch-initiative/mondo/issues/6876 Orphanet:268838 icd11.foundation:1479116207 Leptomyelolipoma is a rare neural tube closure defect characterized by an abnormally low lying conus which is tethered by a lumbosacral lipomatous mass (containing fatty tissue, nerve fibers, meningeal strands and fibrous bands) which engulfs the filum terminale and varying numbers of dorsal and ventral nerve root components, typically producing sensory, motor, bowel and/or bladder dysfunction. Cutaneous stigmata, absent or reduced reflexes and foot defomities (e.g. talipes cavovalgus) are frequently present. UMLS:C4749649 GARD:0020973 MONDO:0017084 MEDGEN:1657711 neural tube defect