Posterior vertebral scalloping (mnemonic)

A useful mnemonic to remember the differential diagnoses for posterior vertebral scalloping is:

• SALMON

Mnemonic

• S: spinal cord tumor (e.g. astrocytoma, ependymoma, schwannoma)
• A: achondroplasia, acromegaly
• L: Loeys-Dietz syndrome (and other connective tissue disorders)
• M: Marfan's syndrome, mucopolysaccharidoses
• O: osteogenesis imperfecta
• N: neurofibromatosis type 1