Articles are a collaborative effort to provide a single canonical page on all topics relevant to the practice of radiology. As such, articles are written and edited by countless contributing members over a period of time. A global group of dedicated editors oversee accuracy, consulting with expert advisers, and constantly reviewing additions.

8 results found

Basilar invagination (mnemonic)

A mnemonic to help recall the causes of basilar invagination is: PF ROACH Mnemonic P: Paget disease of bone F: fibrous dysplasia R: rheumatoid arthritis, rickets O: osteogenesis imperfecta, osteomalacia A: achondroplasia C: Chiari I and Chiari II, cleidocranial dysostosis H: hyperparath...

Bone within a bone appearance (mnemonic)

A useful mnemonic to remember the possible etiologies of a bone within a bone appearance is: GHOST DRAGON Mnemonic G: growth arrest lines H: heavy metals, hypoparathyroidism, hypothyroidism O: osteopetrosis S: sickle cell anemia, scurvy, syphilis T: thalassemia, tuberculosis D: disease o...

Erector spinae muscles (mnemonic)

There are multiple handy mnemonics to recall the erector spinae muscles. They usually describe the position from lateral to medial.  I Like Standing I Love Sex I Long for Spinach I Like Siri Mnemonic I: iliocostalis L: longissimus S: spinalis

Intradural extramedullary spinal tumors (mnemonic)

Useful mnemonics to remember the differential diagnoses for intradural extramedullary spinal neoplasms include the following: No More Spinal Masses MnM Mnemonics No More Spinal Masses N: neurofibroma M: meningioma S: schwannoma M: metastasis MnM This simplified mnemonic, as in M&M cand...

Intramedullary spinal masses (mnemonic)

A useful mnemonic to remember the differential diagnoses of intramedullary spinal masses is: I HEAL Mnemonic I: infarction H: hemangioblastoma E: ependymoma A: astrocytoma L: lipoma

Lumbar plexus roots (mnemonic)

A handy mnemonic to recall the roots of the lumbar plexus is: 2 from 1, 2 from 2, 2 from 3 Mnemonic 2 nerves from 1 root: ilioinguinal (L1), iliohypogastric (L1) 2 nerves from 2 roots: genitofemoral (L1/L2), lateral femoral cutaneous (L2/L3) 2 nerves from 3 roots: obturator (L2/L3/L4), femo...

Posterior vertebral element lesions (mnemonic)

A mnemonic for posterior vertebral element lesions is: GO TAPE Mnemonic G: giant cell tumor  O: osteoblastoma T: tuberculosis A: aneurysmal bone cyst P: Paget disease E: eosinophilic granuloma

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...

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