Rad Dx

Differential Diagnoses in Radiology

NUCS

Currently available for Nucs: MSK module. The GU and Neuro modules for Nucs will be available in the first and second December weeks with the last modules being available in the last December week.

Please check only what applies. You may choose one or more modalities.
 

 Location
Organ: Brain
Neck
Lungs
Heart
Stomach
Bowel
Liver
Gallbladder
Pancreas
Adrenal glands
Spleen
Kidneys
Testis
Skeleton
Soft tissues
 

 Nuclear Medicine Findings
 

 Skeletal System
Tc99m MDP bone scan: Normal activity
Photopenic
Activity on flow phase
Activity on blood pool phase
Activity on delayed phase
Focal
Linear
Solitary
Multiple
Diffuse/Superscan
Soft tissue activity
 Infection Imaging
Ga67 Citrate: Focal activity
Increased renal activity
Decreased hepatic activity
Diffusely increased osseous activity
In111 Tagged WBC: Focal activity
Tc99m Sulfur colloid: Photopenic area
Tc99m HMPAO Tagged WBC: Focal activity
 Pulmonary System
Tc99m DTPA aerosol: Segmental defect
Nonsegmental defect
Tracer clumping
Tc99m MAA: Matched
Mismatched
Segmental defect
Nonsegmental defect
Unilateral perfusion abnormality
 Cardiovascular System
Tc99m Sestamibi Myocardial Perfusion SPECT: Hypoperfusion
Reversible
Fixed
Apex
Anterior wall
Lateral wall
Posterior wall
Septum
Right ventricular wall
Post stress ventricular dilatation
Reduced function
TL201 Stress Redistribution SPECT: Focal activity
Tc99m Tagged RBC Gated (MUGA): Resting hypokinesis
Stress induced hypokinesis
 Central Nervous System
Tc99m ECD: Lack of intracranial blood flow
Focal hyperperfusion
Focal hypoperfusion
Tc99m HMPAO: Decreased perfusion
In111 DTPA Cisternogram: No ventricular activity
Transient ventricular activity
Persistent ventricular activity
 Endocrine System
I123: Solitary
Multiple
Hot nodule
Cold nodule
Diffuse increased activity
Diffuse decreased activity
Tc99m Pertechnetate: Focal activity
In111 Pentetreotide: Focal activity
I123 MIBG: Focal activity
 Gastrointestinal System
Tc99m IDA ("HIDA scan"): Poor gallbladder filling
Poor gallbladder contraction
Rim sign
Delayed biliary-to-bowel transit
Flow increased
Flow normal
Uptake immediate
Uptake delayed
Uptake none
Clearance delayed
Tc99m DTPA oral: Esophageal amotility
Esophageal hypomotility
Esophageal hypermotility
Delayed gastric emptying
Rapid gastric emptying
Tc99m Sulfur colloid oral: Esophageal amotility
Esophageal hypomotility
Esophageal hypermotility
Delayed gastric emptying
Rapid gastric emptying
Tc99m Sulfur colloid IV: Hepatomegaly
Colloid shift
Focal liver defect
Focal liver activity
Liver heterogeneity
Tc99m Tagged RBC: Focal activity
Activity confined to bowel lumen
Activity moves over time
 Genitourinary System
Tc99m Mag3: Delayed time to peak
Cortical retention
Prolonged retention with diuretics
Tc99m DMSA: Focal defect
Diffuse decrease in activity
Tc99m DTPA: Lack of intracranial blood flow
Focal hyperperfusion
Focal hypoperfusion
 Positron Emission Tomography
F18 FDG: Hypometabolic (maxSUV <2)
Mild hypermetabolic (maxSUV 2-4)
Hypermetabolic (maxSUV >4)
Focal
Diffuse
F18 FDG Brain: Hypometabolic
Hypermetabolic
Focal
Regional
Frontal
Temporal
Parietal
Occipital
Rb82: Hypoperfusion
Reversible
Fixed
Apex
Anterior wall
Lateral wall
Posterior wall
Septum
Right ventricular wall
Post stress ventricular dilatation
 

 Radiographic Findings
Appearance: Lytic
Sclerotic
Expansile
Infiltrative
Periosteal reaction
Well marginated
Poorly marginated
Matrix: Chondroid
Bone
Soft tissue
Fluid
Location: Diaphysis
Metaphysis
Epiphysis
Joint space
Soft tissue
Vertebra
Cortical
Medullary
 

 CT Findings
Appearance: Lytic
Sclerotic
Expansile
Infiltrative
Periosteal reaction
Matrix: Chondroid
Calcification
Soft tissue
Fluid
Fat
Other findings: Edema
Lymphadenopathy
 

 MRI Findings
Signal: T1 hyperintense
T1 isointense
T1 hypointense
T2 hyperintense
T2 isointense
T2 hypointense
FLAIR hyperintense
restricted diffusion
STIR hyperintense
Enhancement: no
faint
moderate
intense
homogeneous
heterogeneous
rim
nodular
Other findings: Edema
Lymphadenopathy
 

 Patient Data
Clinic: Asymptomatic
Leukocytosis
Fever
Malaise
Palpitations
Dyspnea
Hemoptysis
Pain
Jaundice
History: Trauma
Known malignancy
Age: years old









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Find Interventional Differential Diagnosis :: Browse & Search (Interventional Radiology)
Find Musculoskeletal Differential Diagnosis :: Browse & Search (Musculoskeletal Imaging)



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