– Anatomy: – origin: – lateral condyle & posterior horn of lateral meniscus fibular head; – popliteus muscle has 3 origins, strongest of which is from lateral femoral condyle, just anterior and inferior to the LCL origin; … Read more
Discussion pigmented villonodular synovitis is a slow growing, benign, and locally invasive tumor of the synovium; location: most often involves the knee (also in hip, ankle, elbow, etc.); always consider PVNS in a younger patient with unexplained hip pain; acute episodic attacks of pain and swelling may occur; patients may have mechanical symptoms (locking and … Read more
– Amputation of the Finger and Hand – Arthrodesis of the MP joint and Finger Joints – Boutonnere Injuries – Characteristics of Phalangeal and Metacarpal Fractures – Compression Screws – Condylar Frx – Crossed Finger Flap – Dislocations of PIP – Digit Reimplantation – Dislocations: … Read more
– Anatomy: – lateral compartment – plantar muscles of the foot: – origin: – lateral condyle of tibia, head and proximal 2/3 of lateral surface of fibula, intermuscular septa and adjacent fascia; – course: – peroneus longus … Read more
– See: – Innerv. Musc. Lower Limb – Innervation of the Leg and Foot: – Anatomy: – common peroneal nerve is derived from (L4, L5, S1, S2) as a part of the sciatic nerve; – posterior component, supplies short head of biceps femoris in thigh, crosses posterior to lateral head of gastrocnemius, and becomes subQ behind … Read more
– Discussion: – combination of genetic and environmental factors in its etiology; – an important early event may result from the interaction of antigen presenting macrophages w/ T cells (helper/inducer); – HLA-D allele DR4 is associated w/ RA patients; – although clinical laboratories measure IgM rheumatoid factor, … Read more
– History: 1963 – Maurizio described the association of patellar tendonitis with jumping 1973 – Blazina, et al. coined the term “jumper’s knee” 1978 – Mariani, et al. and Roels, et al. widened the term “jumper’s knee” to include pathology of the patellar tendon at the tibial tuberosity 1986 … Read more
– Discussion: – if patient is able to flex beyond 120 deg and if scar forms on quad tendon, this scar may be carried into notch of femoral component; – when the patient extends the knee (especially against resistance such as rising from a chair) the fibrotic nodule catches on the … Read more
– Discussion: – commonly presents in females over age 60 years of age; – pain may or may not be associated w/ acute injury and may be worse at night; – these lesions often show articular degenerative changes, especially when lesions are large or when there is pre-existing varus … Read more
– See: Bone Tumor Menu – Discussion: – benign osseous tumor usually less than 1.5 cm in diameter, comprising 11% of all benign bone tumors; – no cases of malignant transformation has been reported; – occurs primarily in adolescents and less often in children; … Read more