RADD 2712 Comprehensive Lab MIDTERM Notes with Images and Glossary

RADD 2712 Comprehensive Lab MIDTERM Notes with Images and Glossary

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Unformatted text preview: Skeletal Radiology B Lab Notes • Week 1 o First Film: Geographic Lesion • Other descriptors: o Lytic o Soap Bubble • DDX o Fibrous Dysplasia o Simple/Unicameral Bone Cyst • Ground Glass (Frosted Beer Mug) o Fibrous Lesion • Pathological Fracture of Lateral Humerus o Second Film: Blastic METS • Not the primary site of a neoplasm o Most common primary in males = Prostate o Most common primary in females = Breast • Usually geographic/well defined • No brush border • Often polyostotic • Usually patients over 45 o Third Film Enchondroma • Geographic, expansile, lytic, metaphyseal • May have stippled/punctuate/popcorn calcification of cartilage (usually not visible in short bones) • Most common benign tumor of the hand • Usually painless • Patients 10-30 years old, No sex preference o Fourth Film Klipple-Feil • The word “block” is misused here, implying “it was separate but is now fused”. • Preferred terminology = Non-segmentation or segmentation failure • Diagnosis requires 2 or more segmentation failures in cervical spine (C/S) and upper thoracic spine (T/S) • Other associated findings: o Rib anamolies o Scoliosis o Platybasia o Sprengle’s • Congenital o Fifth Film OA First MTP • Descriptors: o Osteophytes o Non-Uniform Joint Space Decrease o Possible deformity of joint • Most common site for OA in the foot • Sesamoid bones are standard densities to see in the foot Usually seen in patients over 40 o Sixth Film Fibrous Dysplasia • Descriptors: o Dislocated femoral head o Mushroom-shaped head o Shallow acetabulum/acetabular ridge Primarily responsible for change in head shape (Dysplastic) o Transitional Segment o 2° Degeneration: DJD, Non-Uniform joint loss Subchondral cysts (Geodes) Subchondral sclerosis (Eburnation) • Week 2 o First Film OA Bilateral Knee • Non-uniform decrease in joint space, osteophytes, etc • 3 knee compartments: o Medial, Lateral and Patello-femoral Medial is most commonly affected Bicompartmental is usually medial and lateral o Second Film NOF – Nonossifying Fibroma • Descriptors: o Lytic o Eccentric o Soap Bubble o Metaphyseal o Cortical Thickening • Generated by faulty bone production at physis • Most common at distal tibia o Third Film Osteochondroma • Combination of bony and cartilaginous tumor • Cortex is contiguous with parent bone, may have calcified cartilaginous cap • Usually painless (pain = probably a problem) • Types: o Sessile o Pedunculated • Most common benign skeletal tumor • Malignant degeneration is rare (about 1%) o Fourth Film HME – Hereditary Multiple Exostosis • A.K.A....
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RADD 2712 Comprehensive Lab MIDTERM Notes with Images and Glossary

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