– Anatomy: – origin: – outer surface of ilium from iliac crest and posterior gluteal line above to the anterior gluteal line below, gluteal aponeurosis; – note that posterior border of the gluteus medius is almost in line w/ femoral shaft; the anterior border fans anteriorly; … Read more
– origin: – outer surface of ilium between anterior and inferior gluteal lines and margin of greater sciatic notch; – insertion: anterior border of greater trochanter; – action: – abducts femur at the hip and rotates it medially; – lateral pelvic stabilizer; … Read more
– See: Shoulder Menu: – Anatomy: – GHJ has a greater ROM than any other joint; – Bony Anatomy: – its shallow, & is more akin to a grapefruit in saucer than ball in socket. – lack of bony stability & wide ROM … Read more
– indicated for glenoid insufficiency w/ insufficient bone stock for appropriate component fixation: – cortical penetration of component keel into the glenoid neck; – incomplete peripheral contact of the glenoid component flange; … Read more
– Discussion: – GCT of tendon sheath are not really tumors but reactive lesions, which are similar to PVNS; – they do not always arise from the tendon sheath but may arise from the synovium; – it is the second most common benign hand tumor next to ganglions; … Read more
– Discussion: – this procedure allows long toe flexors to behave like intrinsic muscles producing active plantar flexion at MP joints & extension at IP joint; – indicated for flexible hammer toes and claw toes; – inform pt that toe ischemia sometimes follows correction of this … Read more
– Discussion: – a common benign but locally aggressive lesion of unknown etiology; – occurs chiefly in men between 20-50 yrs (after epiphyseal closure); – tumor is expansile lytic lesion that involves the epiphysis & metaphysis; – tumor may enlarge to occupy most of epiphysis & adjacent metaphysis; … Read more
– Discussion: – arises from L1 and L2; – in abdomen, it descends on anterior surface of Psoas and then divides into genital and femoral branches; – genital branch innervates cremaster muscle and gives twigs to scrotum and adjacent thigh; – femoral branch passes under inguinal ligament & … Read more
– See: Aminoglycocides – Discussion: – indicated for serious Gm Neg infections caused by suseptable Pseudomonas, Proteus, E. coli, Klebsiella, Enterobacter sp., Serratia, and Gm Neg Sepsis; – as with all aminoglycocides, gentamicin binds to bacterial ribosomes and inhibits protein synthesis; – tobramycin is more active than gentamicin against Pseudomonas, including … Read more
– See: – Radiographic Features: – Histologic Features: – Painful Tumors: – clinical features associated with bone tumors include pain, deformity, and impairment of function; – pain is feature common to almost all malignant tumors of bone, but may or may not be present in … Read more