Rad Dx

Differential Diagnoses in Radiology

BREAST


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

 Mammogram Findings
Parenchymal asymmetry: Global
Focal
Architectural distortion: Yes
No
Mass: Palpable
Nonpalpable
Shape: Round
Oval
Lobulated
Irregular
Margins: Sharp
Microlobulated
Obscured
Irregular ill-defined
Spiculated
Density: Hyperdense
Isodense
Hypodense
Number: Solitar
Multiple - one breast/unilateral
Multiple - two breasts/bilateral
Interval change: No change over 2 years
Enlarging
Associated findings: Nipple retraction
Localized skin thickening
Generlized skin thickening
Trabecular thickening
Lymphnode: <2cm
Lymphnode: >2cm
Lymphnode: Radiolucent hilum
Lymphnode: Without radiolucent hilum
Lymphnode: Unilateral
Lymphnode: Bilateral
Calcifications
Calcs: Location: intramammary
extramammary
Calcs: Size: <0.5mm
>0.5mm and <1mm
>1mm
Calcs: Number: <4-5 per 1cm2
>4-5 per 1cm2
Calcs: Morphology: Lucent-centered
Tram track
Popcorn
Large rod-like
Round/oval
Eggshell/rim
Crescent shaped curvilinear
Amorphous/indistinct
Coarse/heterogeneous
Fine/pleomorph
Fine linear/fine linear branching
Calcs: Distribution: Diffuse/scattered
Regional
Groups/clusters
Linear
Segmental
Calcs: Interval change: No change over 2 years
Increase in number
 

 Ultrasound Findings
Shape: Mass
Oval, elliptical or egg-shaped
Round
Irregular
Orientation: Parallel - Long axis of lesion parallels the skin line ("wider than tall" or horizontal)
Not parallel - Long axis, not oriented along the skin line ("taller than wide" or vertical, includes round)
Margin: Circumscribed
Indistinct
Angular
Microlobulated
Spiculated
Lesion boundary: Abrupt interface
Echogenic halo
Echo pattern: Anechoic
Hyperechoic
Complex mass
Hypoechoic
Isoechoic
Acoustic features: No posterior shadowing or enhancement
Enhancement, increased posterior echos
Shadowing, decreased posterior echos; edge shadows are excluded
Combined pattern
Surrounding tissue: Duct changes - Abnormal caliber and/or arborization
Cooper`s ligament changes - Straightening or thickening of Cooper`s ligaments
Edema-Increased echogenicity of surrounding tissue; reticulated pattern of angular, hypoechoic lines
Architectural distortion
Skin thickening - focal or diffuse
Skin retraction/irregularity
Calcifications: Macrocalcifications - greater than or equal to 0.5 mm in size
Microcalcifications outside of mass. Echogenic foci that do not occupy the entire acoustic beam and do not shadow. Less than 0.5 mm in diameter
Microcalcifications in mass. Embedded in a mass, microcalcifications are well depicted. The punctate, hyperechoic foci will be conspicuous in a hypoechoic mass
Vascularity: Not Present or not assessed
Present in lesion
Present immediately adjacent to lesion
Diffusely increased vascularity in surrounding tissue
Location: In or on skin
 

 MRI Findings
Signal: T1 hyperintense
T1 isointense
T1 hypointense
T2 hyperintense
T2 isointense
T2 hypointense
Focus/Foci
(less than 5 mm): 		Bilateral scattered
Unilateral scattered
Single focus
Segmental
Mass shape: Round
Oval
Lobulated
Irregular
Mass margin: Smooth well-circumscribed and well-defined margin
Irregular
Spiculated
Massenhancement: Homogeneous confluent uniform enhancement
Heterogeneous nonspecific mixed enhancement
Rim enhancement
Dark internal septation - dark nonenhancing lines within a mass
Enhancing internal septation - enhancing lines within a mass
Central enhancement
Nonmass like enhancement distribution: Focal area, enhancement in a confined area, less than 25% of quadrant
Linear, enhancement in a line that may not conform to a duct
Ductal, enhancement in a line that may have branching, conforming to a duct
Segmental, triangular region of enhancement, apex pointing to nipple, suggesting a duct or its branches
Regional, enhancement in a large volume of tissue not conforming to a ductal distribution, geographic
Multiple regions enhancement in at least two large volumes of tissue not conforming to a ductal distribution, multiple geographic areas, patchy areas of enhancement
Diffuse enhancement distributed uniformly throughout the breast
Nonmass like enhancement: Homogeneous
Heterogeneous
Stippled, punctate
Clumped cobblestone-like enhancement, with occasional confluent areas
Reticular, dendritic - enhancement with finger like projections extending toward nipple, especially seen on axial or sagittal images, in women with partly fatty-involuted breasts
Kinetic curve: Initial rise: Slow
Initial rise: Medium
Initial rise: Rapid
Delayed phase: Persistent
Delayed phase: Plateau
Delayed phase: Washout
Symmetry: Symmetric - mirror-image enhancement
Asymmetric
Other findings: Edema
Nipple retraction
Lymphadenopathy
Nipple invasion
Pectoralis muscle invasion
Pre-contrast high ductal signal
Chest wall invasion
Skin thickening (focal)
Hematoma/blood
Skin thickening (diffuse)
Abnormal signal void
Skin invasion
Cysts
 

 Patient Data
Age: years old









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