Rachitic rosary (Volume III 1)
Rachitic rosary (Volume VII)
Rachitis
Rad
Radial aplasia
Radial artery
Radial club hand
Radial collateral artery
Radial dysplasia
Radial epicondyle
Radial head
Radial neck
Radial nerve (Volume II)
Radial nerve (Volume III 1)
Radial notch (of ulna)
Radial ray
Radial recurrent artery
Radial scar
Radial sclerosing lesion
Radial styloid process
Radial tuberosity
Radial tunnel syndrome
Radial vein
Radiant energy
Radiation (Volume I)
Radiation (Volume III 1)
Radiation area
Radiation biology
Radiation contrast
Radiation cystitis
Radiation damage
Radiation danger zone
Radiation detection
Radiation detector
Radiation dose
Radiation dosimetry
Radiation fibrosis (Volume V 1)
Radiation fibrosis (Volume VII)
Radiation hazard
Radiation leakage
Radiation leukoencephalopathy
Radiation monitor
Radiation myelopathy
Radiation necrosis
Radiation nephritis
Radiation osteitis
Radiation osteonecrosis
Radiation pneumonitis
Radiation protection
Radiation quality
Radiation sensitivity
Radiation source
Radiation stricture, ureteric
Radiation therapy
Radiation therapy, tissue changes
Radiative loss
Radical neck dissection
Radicular cyst
Radicular medullary artery
Radiculography
Radioactive
Radioactive decay
Radioactive disintegration
Radioactive emanation
Radioactive equilibrium
Radioactive family
Radioactive series
Radioactive tracer
Radioactive transformation
Radioactivity
Radiocapitellar line
Radiocarpal compartment
Radiocarpal joint
Radiochemical purity
Radiochemical tagging
Radiodensitometry
Radiofrequency (RF) pulse
Radiofrequency (RF) radiation
Radiofrequency attenuation
Radiofrequency coil
Radiofrequency field
Radiofrequency noise
Radiofrequency thermal ablation
Radiogrammetry
Radiograph
Radiographic contrast
Radiographic exposure
Radiographic image
Radiographic mottle
Radiographic negative
Radiographic putty
Radiographic range
Radiographic screen
Radiographic sensitivity
Radiographic stereometry
Radiography (Volume I)
Radiography (Volume III 1)
Radioimmunoassay (RIA)
Radioisotope
Radioisotope concentration
Radioisotope scanning
Radiolabelled fibrinogen
Radiolabelled monoclonal antibody
Radiolabelled phosphate compound
Radiolabelled red blood cell
Radiolucent
Radionuclide
Radionuclide adrenal imaging
Radionuclide angiocardiography
Radionuclide angiocardiography, first pass
Radionuclide angiocardiography, gated equilibrium
Radionuclide angiography
Radionuclide bone imaging (Volume I)
Radionuclide bone imaging (Volume III 1)
Radionuclide bone marrow scanning
Radionuclide brain imaging
Radionuclide cerebrospinal fluid imaging
Radionuclide cisternography
Radionuclide cystography, direct
Radionuclide cystography, indirect
Radionuclide decay
Radionuclide deep venous imaging
Radionuclide gastric imaging
Radionuclide gastrointestinal bleeding source imaging
Radionuclide gastrointestinal imaging
Radionuclide generator
Radionuclide hepatobiliary imaging
Radionuclide imaging
Radionuclide infection imaging
Radionuclide liver imaging
Radionuclide lung imaging
Radionuclide parathyroid imaging
Radionuclide perfusion imaging
Radionuclide production
Radionuclide reflux imaging
Radionuclide renal imaging
Radionuclide salivary gland imaging
Radionuclide scrotal imaging
Radionuclide sialography
Radionuclide somatostatin receptor imaging
Radionuclide spleen imaging
Radionuclide techniques
Radionuclide therapy
Radionuclide thyroid imaging
Radionuclide tumour imaging
Radionuclide urinary tract imaging
Radiopaque
Radiopharmaceutical
Radiopharmaceutical agent
Radiopharmaceutical dosimetry
Radioulnar compartment, inferior
Radioulnar joint, distal
Radioulnar joint, proximal
Radioulnar synostosis
Radiowaves
Radium
Radium (RA)
Radium jaw
Radius (Volume II)
Radius (Volume III 1)
Radon (RN)
Ram
Ram-fast
Ramp time
Ramsay hunt syndrome
Ramus circumflexus
Ramus inferior ossis pubis
Ramus interventricularis anterior
Ramus interventricularis posterior
Ramus superior ossis pubis
Randall's plaque, renal
Random access memory
Random noise
Random process
Range
Range ambiguity
Range gate
Range resolution
Range, dynamic
Ranula (Volume VI 2)
Ranula (Volume VII)
rapid acquisition spin echo (RASE)
Rapid acquisition with relaxation enhancement (rare)
Rapid developer
Rapid imaging
Rapid scan (RS)
Rapid sequence
Rapidly acquired magnetization-prepared fast (ram-fast)
Rare earth
Rare earth screen
Rare pulse sequence
Rarefaction
Rase
Rashkind atrial balloon septostomy
Rashkind balloon atrial septostomy
Rasmussen encephalitis
Rasmussen's aneurysm
Rasmussen's encephalitis
Rastelli operation
Rastelli procedure
Raster
Raster line
Rat
Rate meter
Rathke's cleft cyst
Raw data
Ray
Ray sampling
Ray-by-ray correction
Rayl
Rayleigh tyndall scattering
Rayleigh scattering
Rayleigh wave
Raynaud's disease (Volume III 1)
Raynaud's disease (Volume V 2)
Raynaud's phenomenon (Volume III 1)
Raynaud's phenomenon (Volume V 2)
Rayvist
Rbe dose
Rds treatment, iatrogenic complications
Reactor
Read-only memory
Readout bandwidth
Readout delay
Readout gradient
Real image
Real-time compound imaging
Real-time fast fourier transform (FFT) analyser
Real-time scanner
Real-time ultrasound
Receive coil
Receive gain
Receiver
Receiver coil
Receiver gate
receiver operating characteristic (ROC) curve
Receptor
Receptor system
Recess
Reciprocity law
Reciprocity law failure
Recklinghausen's disease (Volume VI 1)
Recklinghausen's disease (Volume VII)
Recoil electron
Recombination region
Reconstructed field of view
Reconstruction
Reconstruction algorithm
Reconstruction filter
Recovery lines
Rectal artery, inferior
Rectal artery, middle
Rectal artery, superior
Rectal bleeding
Rectal vein, middle
Rectal vein, superior
Rectal venous plexus
Rectification
Rectified three-phase circuit
Rectifier
Rectilinear scanner
Rectourethral fistula
Rectouterine pouch
Rectovesical fistula
Rectovesical pouch
Rectum
Rectus abdominis muscle
Rectus capitis posterior major muscle
Rectus femoris muscle
Recurrent interosseous artery
Recurrent laryngeal nerve palsy
Recurrent parotitis of childhood
Red leg
Red nucleus
Reduced flip angle
Reduction defects
Reduction mammoplasty
Reed sternberg cell
Reference detector
Referred pain
Reflecting coat
Reflection
Reflection target
Reflex apnoea
Reflex sympathetic dystrophy (Volume III 1)
Reflex sympathetic dystrophy (Volume VII)
Reflux apnoea
Reflux nephropathy (Volume IV 2)
Reflux nephropathy (Volume VII)
Reflux oesophagitis
Reflux, gastro-oesophageal
Reflux, intrarenal (Volume IV 2)
Reflux, intrarenal (Volume VII)
Reflux, nasopharyngeal
Reflux, vaginal
Reflux, vesicoureteric (Volume IV 2)
Reflux, vesicoureteric (Volume VII)
Refocused flash
Refocusing
Refocusing of spin
Refocusing pulse
Refracted beam
Refraction
Refractive index
Refsum's disease (Volume III 1)
Refsum's disease (Volume VI 1)
Refsum's disease (Volume VII)
Regenerative nodule
Region of interest (ROI)
Regional enteritis
Regional migratory osteoporosis
Regular developer
Regurgitant fraction
Regurgitant volume
Regurgitation, aortic
Regurgitation, mitral
Regurgitation, tricuspid (Volume V 2)
Regurgitation, tricuspid (Volume VII)
Reifenstein's syndrome
Reimplantation, ureteric
Reinforcement lines
Reiter's syndrome (Volume III 1)
Reiter's syndrome (Volume VII)
Reiter's syndrome, cardiovascular involvement
Reiter's syndrome, external genitalia
Reject control
Relapsing polychondritis (Volume III 1)
Relapsing polychondritis (Volume V 1)
Relapsing polychondritis (Volume VI 2)
Relapsing polychondritis, cardiovascular manifestation
Relative biological effectiveness (RBE)
Relative stopping power
Relative velocity
Relaxation
Relaxation rate
Relaxation time
Relaxivity
Relaxometry
Rem
Remnant radiation
Remnant syndrome, ovarian
Remodelling
Renal abscess (Volume IV 2)
Renal abscess (Volume VII)
Renal adenoma
Renal agenesis
Renal angiography
Renal angiomyolipoma
Renal arteriography
Renal artery
Renal artery occlusion
Renal artery stenosis (Volume IV 2)
Renal artery stenosis (Volume VII)
Renal artery, aberrant
Renal artery, accessory
Renal artery, anterior division
Renal artery, left
Renal artery, posterior division
Renal artery, right
Renal biopsy
Renal calices
Renal calix
Renal capsule
Renal cell carcinoma (Volume IV 2)
Renal cell carcinoma (Volume VII)
Renal column
Renal cortex
Renal cystic disease
Renal duplication
Renal dysgenesis
Renal dysplasia
Renal ectopia (Volume IV 2)
Renal ectopia (Volume VII)
Renal failure
Renal failure, acute
Renal failure, end stage
Renal fascia
Renal haematoma
Renal infarct
Renal infection
Renal lymphoma
Renal medulla
Renal osteodystrophy (Volume III 1)
Renal osteodystrophy (Volume VII)
Renal papilla
Renal parenchyma
Renal pedicle injury
Renal pelvis
Renal pseudotumour
Renal pyramid
Renal scaring
Renal sinus
Renal sinus cyst
Renal stone
Renal transplantation
Renal transplant-related fluid collections, retroperitoneal
Renal trauma
Renal tuberculosis
Renal tubular acidosis (Volume IV 2)
Renal tubular acidosis (Volume VII)
Renal tubular acidosis, nephrolithiasis
Renal tubular ectasia
Renal tubule
Renal vein
Renal vein thrombosis (Volume IV 2)
Renal vein thrombosis (Volume VII)
Renal vein, circumaortic
Renal vein, left
Renal vein, retroaortic
Renal vein, right
Renal venography
Renal venous sampling
Reninoma
Renografin
Renography
Renography, captopril
Renography, diuretic
Renovascular hypertension (Volume IV 2)
Renovascular hypertension (Volume VII)
Rep
Reparative granuloma, giant cell
Repetition time (TR)
Rephasing
Rephasing gradient
Rephasing of spin
Rephasing pulse
Replaced hepatic artery
Replacement, joint
Replenisher
Replenishment system of development
Resection arthroplasty
Residual space charge
Resistance index (RI)
Resistant ovary syndrome
Resistive magnet
Resolution
Resolution bar pattern
Resolution template
Resolution time
Resolving power
Resolving time
Resonance
Resonance frequency
Resonant frequency
Resonant gradient system
Resonant offset angle
Resonant offset artefact
Resonant offset averaged steady state (roast)
Resonant offset averaging
Resorption atlectasis
Resorption, of bone
Resovist
Respiratory bronchiolitis
Respiratory bronchiolitis-associated interstitial lung disease
Respiratory compensation
Respiratory distress syndrome
Respiratory distress, neonatal
Respiratory gating
Respiratory motion artefact
Respiratory syncytial viral pneumonia
Respiratory-ordered phase encoding (rope)
Restrainer
Restricted proton pool
Restrictive cardiomyopathy
Restrictor
Retained lung fluid
Retention cyst
Reticular opacity
Reticular pattern
Reticulation
Reticulohistiocytosis, multicentric
Reticulonodular opacity
Reticulonodular pattern (Volume V 1)
Reticulonodular pattern (Volume VII)
Retina
Retinaculum
Retinal detachment
Retinal haemangioma
Retinal haemorrhage
Retinal hamartoma
Retinal-renal dysplasia
Retinoblastoma (Volume III 1)
Retinoblastoma (Volume VI 1)
Retinoblastoma (Volume VII)
Retinoids
Retinopathy of prematurity
Retractile mesenteritis
Retractile testis
Retroaortic left renal vein
Retroaortic renal vein
Retrocalcaneal bursitis
Retrocaval ureter
Retrochiasmatic craniopharyngioma
Retroduodenal artery
Retrofenestral otosclerosis
Retrograde femoral artery puncture
Retrograde phlebography
Retrograde press-phlebography
Retrograde pyelography
Retrograde small bowel examination
Retrograde urethrography
Retrograde urography
Retroiliac ureter
Retrolental fibroplasia
Retrolisthesis
Retromandibular vein
Retromolar trigone
Retromolar trigone, pathology
Retroperitoneal abscess
Retroperitoneal air insufflation
Retroperitoneal cystic lymphangioma
Retroperitoneal fibrosis (Volume IV 2)
Retroperitoneal fibrosis (Volume VII)
Retroperitoneal haemorrhage
Retroperitoneal mass
Retroperitoneal space
Retroperitoneal teratoma
Retroperitoneal tumour
Retropharyngeal abscess
Retropharyngeal cellulitis
Retropharyngeal mass
Retropharyngeal space
Retropharyngeal space, pathology
Retrosellar epidermoid tumour
Retrospective gating
Retrospective reconstruction
Retrospondylolisthesis
Revascularization
Reverberation artefact
Reversal sign
Reverse barton's fracture
Reverse bias
Reverse colles' fracture
Reverse rotation
Reversed butterfly distribution
Reversed fisp (psif)
Rewinder gradient
Reye's syndrome (Volume IV 1)
Reye's syndrome (Volume VI 1)
Reye's syndrome (Volume VII)
Reynolds number (RE)
Rf
Rf coil
Rf echo
Rf pulse
Rf screen
Rf spoiled
Rf-fast
RF-spoiled FAST (RF-FAST)
Rhabdoid tumour of kidney
Rhabdoid tumour, renal
Rhabdomyolysis
Rhabdomyoma (Volume III 1)
Rhabdomyoma (Volume VII)
Rhabdomyoma, cardiac
Rhabdomyoma, head and neck
Rhabdomyoma, vaginal
Rhabdomyoma, vulva
Rhabdomyosarcoma (Volume III 1)
Rhabdomyosarcoma (Volume IV 2)
Rhabdomyosarcoma, cardiac
Rhabdomyosarcoma, epididymis
Rhabdomyosarcoma, genitourinary
Rhabdomyosarcoma, head and neck
Rhabdomyosarcoma, ovarian
Rhabdomyosarcoma, pelvic
Rhabdomyosarcoma, prostatic
Rhabdomyosarcoma, soft tissue
Rhabdomyosarcoma, spermatic cord
Rhabdomyosarcoma, thoracic
Rhabdomyosarcoma, vaginal
Rhabdomyosarcoma, vulva
rhenium (Re) (Volume I)
rhenium (Re) (Volume I)
Rheumatic fever (Volume III 1)
Rheumatic fever (Volume V 2)
Rheumatic fever (Volume VII)
Rheumatic heart disease (Volume V 2)
Rheumatic heart disease (Volume VII)
Rheumatoid arthritis (Volume III 1)
Rheumatoid arthritis (Volume VII)
Rheumatoid arthritis, cardiovascular manifestation
Rheumatoid arthritis, cervico-occipital junction
Rheumatoid arthritis, neurological complications
Rheumatoid arthritis, pulmonary involvement
Rheumatoid arthritis, small intestine
Rheumatoid arthritis, spinal involvement
Rheumatoid arthritis, temporomandibular joint
Rheumatoid factor
Rheumatoid juvenile arthritis
Rheumatoid lung disease
Rheumatoid nodule
Rheumatoid nodule, hepatic
Rheumatoid pericarditis
Rhinitis
Rhinolith
Rhinoscleroma
Rhinosinusitis
Rhizomelic limb shortening
Rhizomelic spondylitis
Rhm
Rhodium (RH)
Rhodococcus equi infection
Rhomboideus major muscle
Rib (Volume II)
Rib (Volume III 1)
Rib fracture (Volume V 1)
Rib fracture (Volume VII)
Rib notching
Ribbing's disease
Ribbon ribs
Rice bodies
Rickets (Volume III 1)
Rickets (Volume VII)
Rickets of prematurity
Rickets, vitamin d deficient
Rickets, vitamin d resistant
Rickettsia pneumonia
Riedel's lobe
Riedel's thyroiditis
Right aortic arch
Right atrial appendage
Right atrium
Right brachiocephalic vein
Right bronchial artery
Right bronchointercostal trunk
Right colic artery
Right colic vein
Right colic/middle colic trunk
Right common carotid absence
Right common carotid artery
Right coronary artery
Right coronary ligament
Right epiploic artery
Right gastric artery
Right gastroepiploic artery
Right hepatic artery
Right hepatic vein
Right intercostobronchial trunk
Right lobe of liver
Right lower lobe
Right lower-lobe bronchus
Right lung
Right main bronchus
Right main stem artery
Right middle lobe
Right middle-lobe bronchus
Right pneumonectomy syndrome
Right portal vein
Right pulmonary artery
Right pulmonary vein, inferior
Right pulmonary vein, superior
Right rami of hepatic artery
Right renal artery
Right renal vein
Right subclavian artery
Right superior pulmonary vein
Right suprarenal vein
Right to left shunt
Right upper lobe
Right upper-lobe bronchus
Right ventricle
Right ventricular angiography
Right ventricular artery
Right ventricular dysplasia
Right ventricular mass
Right ventricular muscle bundles
Right ventricular volume
Rigler's sign
Rigler's triad
Riley day syndrome (Volume III 1)
Riley day syndrome (Volume VII)
Ring - mclean sump drainage catheter
Ring apophysis (Volume II)
Ring apophysis (Volume III 1)
Ring artefact
Ring sequestrum
Ring, vascular
Ring-down
Ring-down artefact
Ring-drainage catheter
Ringing artefact
Riolan, arc of
Ripple factor
Ripple voltage
Rising sun appearance
Risser's sign
R-meter
Road map
Roast
Roberts' syndrome
Robinow's syndrome
Roc curve
Rocker-bottom foot
Rocker-bottom foot deformity
Rod
Rod hook system
Rod anode tube
Roentgen (R)
Roentgen-equivalent-man (REM)
Roentgen-equivalent-physical (REP)
Roentgenogram
roentgen-per-hour-at-one-meter (RHM)
Roger's fusion
Roi
Rokitansky aschoff sinuses
Rokitansky mayer kuster hauser syndrome
Rolando's fracture
Rollover artefact
Rom
Romberg's syndrome
Root pocket
Root sleeve
Rope
Rosai dorfman disease (Volume III 1)
Rosai dorfman disease (Volume VII)
Rose phantom
Rosenmuller's fossa
Ross procedure
Rostrad
Rostrum
Rotablator
Rotate-fixed scanner
Rotate-only scanner
Rotate-rotate scanner
Rotating anode
Rotating aspiration thromboembolectomy (RAT)
Rotating coordinate system
Rotating frame of reference
Rotating frame zeugmatography
Rotation anomalies, small bowel
Rotation injury
Rotational arc
Rotational osteotomy
Rotator and multifidi muscles of the neck
Rotator cuff
Rotatory displacement
Rotatory subluxation
Rothmund thomson syndrome
Round foramen
Round ligament
Round pneumonia
Round window
Rounded atelectasis
Roux-en y anastomosis
Rr interval
Rs
Rubber bleb naevus syndrome
Rubella (Volume III 1)
Rubella (Volume VII)
Rubella syndrome
rubidium (Rb)
Rubidium-87 mr spectroscopy
Rubinstein taybi syndrome
Rubinstein taybi syndrome, cardiovascular manifestation
Rugger-jersey spine
Rule of lenz
Rule of three's
Rupture
Rupture of bile duct
Rupture, bladder (Volume IV 2)
Rupture, bladder (Volume VII)
Rupture, bronchial
Rupture, cardiac
Rupture, diaphragm
Rupture, oesophageal
Rupture, testicular
Rupture, tracheal
Rush pin
Russell silver syndrome
Russell's syndrome
Rutherford scattering
Ruvalcaba myhere smith syndrome
Ruvalcaba myhre smith syndrome
Ruvalcaba syndrome