Card Set Information
What makes up an intermediate junction?
E-Cadherin connected to actin filaments.
Medial Collateral Ligament
Anterior Cruciate Ligament
Rotator Cuff Tendonitis
Tendon of Supraspinatous most commonly affected.
Pain anterior and superior to glenohumeral joint during abduction.
Freq. Inferior than Anterior
Can strech axillary or radial nerve
Surgical Neck Humeral Fracture?
Axillary Nerve Lesioned
Circumflex humeral artery lacerated.
Greater Tubercle Humerus Fracture
Detachment of rotator cuff muscles.
Remaining rotator cuff muscle (subscapularis) mediallry rotates humorous.
Midshaft fracture of humerus
Radial Nerve lesion
Profound brachial artery laceration
Supracondylar fracture of the humerus
Contraction of tricep and brachialis
Median nerve is lesioned
What are the action of the Lumbricals
Separated into Median and Ulnar distributions
Extend PIP and DIPs
Type 1 versus Type II muscles
Type I = The Better Kind! Why? Because this is the kind you have. Red fibers, use mitochondria. Slow twitch.
Type II = Fast twich, anerobic.
What is an osteoma?
It is a bone growth associated with Gardner's Syndrome, which is a subset of FAP.
What is an osteoid osteoma?
It is a interlacing trabeculae of woven bone surrounded by osteoblasts found in proximal tibia and femur. Most common in men < 25.
Same osteoid osteoma, but found in vertebral column.
Also called giant cell tumor.
Occurs most frequently at epiphyseal ends of long bones. Peak incidence 20-40 years.
Locally aggressive benign tumor often around the distal femur, proximal tibial region. Knee.
Characterstic double bubble or soap bubble appaearance on xray.
Spindle shaped multinucleated giant cells on histology.
Most common benign bone tumor. Mature bone with cartilaginous cap. Usually in men <25 years old. Commonly orignates from long metaphysis.
Rarely transforms to malignant chondrosarcoma
Beningn cartilationous neoplasm found in intramedullary bone. Usually distal extremeties (contrast with Osteosarcoma which is around the knee!!)
2nd most common primary malingant tumor of bone after MM.
Peak incidence men 10-20 years.
Found in metaphysis of long bones around knees.
: Paget's disease, bone infarcts, radiation, famililal RB.
Codman't triangle/sunburst pattern on Xray
Anaplastic small blue cell malignant tumor.
Most common in boys < 15.
onion skin appearance in bone.
t(11;22) 11+22=33 Patrick Ewing's Jersey Number
Malignant Cartilagionous tumor. Most common in men age 30-60. Usually located in pelvis spine, humerus tibia and femur.
Can derive from osteochondroma.
Appearance of Pseudogout versus Uric Acid Crystals
: Parallel Light = Yellow
Perpendicular Light = Blue
Pseudogot (calcium pyrophosphate crystals)
Parallel Light = Blue
Perpendicular Light = Yellow
What Emily has! Freckles! Normal number of melanocytes. Just more pigment.