SRB Lab Midterm
Card Set Information
SRB Lab Midterm
>5 mm = medical emergency
Generally increasing 2mm/ year.
Calcification in relation to the (hemi)diaphragm
: descending thoracic aorta.
: abdominal aorta.
Use 3 dots to outline the aneurysm.
50% of plain film radiographs will not show aneurisms.
Three signs of rupture
: lower abdomen, flank, LB.
: 200+ beats/min.
Sharp drop in BP
Below the junction of L4/L5
= common iliac A.
: proximal femur & ribs.
"Soap bubble lesion"
: one bone, benign.
: 2+ bones.
-proximal femur & ilium on same side = more likely to be malignant.
Aneurysmal bone cyst (ABC)
"soap bubble lesion"
Found in children.
Commonly in the posterior spine.
See 3 sacral N's on one side, should see 3 on the other side...
Obliterated Kholer's Teardrop
: cartilage calcification.
Femoral A calcification
: greater trochanter level with femoral head, results from all bone softening diseases.
Calcification of the ALL
: not to be mistaken with intercalary bone (composed of disc material which is not attached).
: concretions in veins... clinically insignificant.
Splenic A calcification
Medullary Bone Infarc
Form of vascular (ischemic, asceptic, osseous) necrosis.
Decreased definition of iliac crest with multiple lesions.
= increased size & opaque.
: coarsening/trabeculae. "Trabecular Ascentuation).
: US & Canada.
: Europe, Australia, etc.
: squared & oblong.
: similar to a cane... bowing of femur.
Obliterated Kholer's Teardrop ("Brim Sign")
Posterior element of the spine.
Soap bubble lesion.
Larger & rounder SP.
Due to transverse ligament damage or rupture =
Posterior atlantao-dental interval
: <18mm = spinal stenosis.
Anterior soft tissue space between C7 & tetrotracheal line
: <22 mm.
Space between ant. C2 & retropharyngeal line
-greater due to
: blood, edema, infection/abscess, SOL.
4+ continuous segments without narrowing of the disc space, & without posterior joint fusion.
20% have undiscovered diabetes.
Calcification of the stylohyoid ligament + excruciating pain = CN encroachment associated with ringing of the ears.
1. Eye pain.
2. Head pain.
3. Jaw pain.
4. Ear pain.
5. Neck pain.
6. Throat pain.
: appears as a small indentation or large dip.
Thin end plates = chronic fracture (>6 weeks).
Should disappear within 4-6 weeks in adults, 2 weeks in children.
: numerous small opacities found near & in joints.
Shoulders, wrist, ankle, knee, SI-joint.
Asymptomatic, clinically insignificant.
Avascular Necrosis (AVN)
: increased opacity at the upper part of the femoral head.
Radiolucencies in the femoral head.
: thin pencil line of radiolucency in close proximity to the top of the femur head.
Sickle Cell Anemia
H-shaped vertebral body.
End plates = cod fish vertebrae.
Almost always on the right side,
to the spine.
Confirmed by lateral film.
May develop into cancer.
: joint space presnet.
: lateral to margin of T1.
Malignant soft tissue tumors.
Baastrup's Disease (Syndrome)
Manifests as sclerosis of end points of SP's.
Soap bubble lesion.
Longer than it is wide.
: spaces (within tumor).
: helmet dome shaped.
Severely degenerated disc.
: dark like with migratory opacity.
Calcification of the Longus Coli Tendon
Under the anterior arch of C1.
Due to auto accident.
Self resolving condition within 3-4 weeks.
Accompanied by pain.
Osteitis Condensans Ilii
Area of ilium that is increased in opacity.
Women that have been pregnant 2+ times.
Large osteophytes due to
1. Psoriatic arthritis.
2. Rieter's Syndrome (reactive arthritis).
Present in individuals that have gone deep sea diving.
Results in nitrogen bubbles within the blood vessels.
Winds up as infarcts in the bone marrow.