Articles
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 continuously improved upon by countless contributing members. Our dedicated editors oversee each edit for accuracy and style. Find out more about articles.
More than 200 results
Article
DeBakey classification (mnemonic)
A mnemonic used to remember the DeBakey classification 1 is:
BAD
Mnemonic
B: both ascending and descending aorta (type I)
A: ascending aorta (type II)
D: descending aorta (type III)
See also
Stanford classification of aortic dissection
DeBakey classification
Article
Subdivisions of the cerebellar vermis (mnemonic)
A useful mnemonic to remember the nine lobules of the cerebellar vermis is:
Like Cats Catching Dogs For The Party Up North
Mnemonic
L: lingula
C: central lobule
C: culmen
D: declive
F: folium
T: tuber
P: pyramid
U: uvula
N: nodulus
Article
Forceps delivery criteria (mnemonic)
A mnemonic to remember the criteria for forceps delivery is:
FORCEPS
Mnemonic
F: fetus alive
O: os dilated
R: ruptured membrane / rotation complete
C: cervix take-up
E: engagement of head
P: presentation suitable
S: sagittal suture in AP diameter of inlet
Article
Profunda femoris branches (mnemonic)
A mnemonic to remember the branches of the profunda femoris artery:
Put My Leg Down Please
Mnemonic
P: profunda femoris (deep femoral artery)
M: medial circumflex femoral artery
L: lateral circumflex femoral artery
D: descending branch of the lateral circumflex femoral artery
P: perforati...
Article
FIGO classification system for the causes of abnormal uterine bleeding in non-gravid women of reproductive age (mnemonic)
The FIGO classification system for the causes of abnormal uterine bleeding in non-gravid women of reproductive age has a mnemonic at its core 1:
PALM-COEIN
The "PALM" causes are considered structural and the "COEIN" (coin) causes are considered non-structural.
Mnemonic
P: polyp
A: adenomyos...
Article
Thoracoacromial artery (mnemonic)
Some useful mnemonics to remember the branches of the thoracoacromial artery are:
Cadavers Are Dead People
PACkeD
Mnemonics
Cadavers Are Dead People
C: clavicular
A: acromial
D: deltoid
P: pectoral
PACkeD
P: pectoral
A: acromial
C: clavicular
D: deltoid
Article
Sturge-Weber syndrome (mnemonic)
Some key findings pertaining to Sturge-Weber syndrome may be recalled using the following mnemonics:
STURGE CAPS
8 Cs
Mnemonics
STURGE CAPS
S: seizures, sporadic
T: tram-track gyriform calcification; trigeminal territory port-wine nevus
U: unilateral weakness (hemiparesis contralateral to...
Article
Charcot joint causes (mnemonic)
The causes of a Charcot joint can be remembered, using a mnemonic - with a little poetic license - as they (all) start with the letter S.
Mnemonic
s: sugar (diabetes)
s: syphilis
s: steroid use
s: syringomyelia
s: spinal cord injury
s: spina bifida
s: scleroderma
s: scaly disease (lepro...
Article
1-2-3 rule (ovary)
The 1-2-3 rule is a simple aide-mémoire describing the nomenclature of any small simple anechoic cystic appearing structure within an ovary on ultrasound:
<1 cm = follicle
1-2 cm = dominant follicle
>3 cm = cyst
Article
Carpal bones (mnemonic)
Mnemonics of the carpal bones are numerous and useful for memorizing the order and location of the bones.
Some mnemonics name the carpal bones in a circle, starting with the proximal row from the scaphoid towards the pinky (small finger) and then the distal row starting from the hamate towards ...
Article
Branches of internal iliac artery (mnemonic)
A useful mnemonic to remember the branches of the internal iliac artery is:
I Love Going Places In My Very Own Underwear!
Mnemonic
I: iliolumbar artery
L: lateral sacral artery
G: gluteal (superior and inferior) arteries
P: (internal) pudendal artery
I: inferior vesical (vaginal in female...
Article
Pulmonary nodules with air bronchograms (mnemonic)
A helpful mnemonic for causes of pulmonary nodules with air bronchograms is:
OBALLS
Mnemonic
OBALLS
O: organizing pneumonia
B: bronchoalveolar carcinoma (adenocarcinoma)
A: acute respiratory distress syndrome (ARDS)
L: lymphoma
L: lipoid pneumonia
S: sarcoidosis
Another consideration i...
Article
Subchondral cysts (mnemonic)
A mnemonic for the causes of subchondral cysts is:
COORS
Mnemonic
C: CPPD
O: osteoarthritis
O: osteonecrosis
R: rheumatoid arthritis
S: synovial-based tumors
See also
Geode (subchondral cyst)
Article
Lower lobe fibrosis (mnemonic)
A mnemonic to remember differentials causing lower lobe fibrosis or predominant lower lobe fibrosis.
SAB-IPM
IPAS-BM
Mnemonic
SAB-IPM
S: systemic sclerosis and other connective tissue diseases (e.g. rheumatoid arthritis)
A: aspiration, alpha-1 antitrypsin deficiency, asbestosis
B: bronchi...
Article
Gracile bones (mnemonic)
The causes of gracile bones can be recalled with the following mnemonic:
NIMROD
Mnemonic
NIMROD
N: neurofibromatosis
I: immobilization/paralysis
M: muscular dystrophy, e.g. Duchenne muscular dystrophy
R: rheumatoid arthritis (juvenile RA)
O: osteogenesis imperfecta
D: dysplasia, e.g. Ma...
Article
Pediatric posterior fossa tumors (mnemonic)
Tumors of the posterior fossa in children can be remembered using the mnemonics:
MAGE
BEAM
Mnemonics
MAGE
This mnemonic is in order of prevalence (except for atypical teratoid/ rhabdoid tumor, which is a rare cause); medulloblastoma (30-40%), pilocytic astrocytoma (25-35%), brainstem glioma...
Article
Gynecomastia causes (mnemonic)
Mnemonic for the causes of gynecomastia:
CODES
Mnemonic
C: cirrhosis
O: obesity
D: digoxin
E: estrogen
S: spironolactone
Article
Femoral triangle contents (mnemonic)
Mnemonics to recall the order of the femoral vessels and nerve as they emerge from beneath the inguinal ligament into the femoral triangle are:
NAVY
NAVEL
Mnemonics
NAVY
From lateral to medial:
N: femoral nerve
A: femoral artery
V: femoral vein
Y: "Y-fronts" (i.e. the midline)
It shoul...
Article
Hand intrinsic muscles innervated by the median nerve (mnemonic)
All the intrinsic muscles of the hand are innervated by the ulnar nerve, except four muscles which are supplied by the median nerve and are easily recalled with the mnemonic:
FOAL or LOAF
Mnemonic
F: flexor pollicis brevis
O: opponens pollicis
A: abductor pollicis brevis
L: lateral two lum...
Article
T2 hyperintense basal ganglia (mnemonic)
A helpful mnemonic to recall the causes of T2 hyperintense basal ganglia is:
LINT
Mnemonic
L: lymphoma
I: ischemia
N: neurodegenerative conditions
T: toxins
See also
For a more detailed differential please see the basal ganglia T2 hyperintensity article.
Unable to process the form. Check for errors and try again.