The Hip - book

Tennis Elbow – Lateral Epicondylitis

Discussion overuse syndrome or tendinosis involving the region of the lateral humeral epicondyle; most often the origin of the ECRB displays an abnormal vascular proliferation and focal hyaline degeneration; ref: Anatomic Factors Related to the Cause of Tennis Elbow EDC may also be involved in some cases; ref: The role of the extensor digitorum communis … Read more

Technique for Acetabular Cup Removal

        – Discussion:     – considerations:            – removal of press fit components can often be complicated by heavy bone ingrowth, insertion of under-reamed                   components, or insertion of oversized peripherally oversized cups;     – acetabular exposure:   … Read more

Technique of Blade Plate Insertion

– Discussion:  – 1st guide wire marks femoral anteversion;  – 2nd guide wire marks direction of seating chisel and should be driven into the femoral neck parallel to 1st guide wire;  – note that because the greater trochanter lies slightly posterior to the femoral neck, the guide wire needs to be placed slightly anterior to … Read more

Tarsal Coaliltion

– See: – Talocalcaneal Coalition – Calcaneonavicular Coalition – Discussion: – coalition between tarsal bones is frequent cause of painful flatfoot (pes planus) in the older child or adolescent; – tarsal coalition may be osseous, cartilaginous, or fibrous. – calcaneonavicular coalition bar is most common, followed by middle facet of talocalcaneal coalition joint; – single … Read more

Technetium 99m

– Discussion:     – over the course of several hours, half or more of the dose accumulates in bone, and the remainder is excreted in urine;     – images obtained over 2-4 hours (half life of technetium is 6 hours);     – increased uptake in immature bone and metabolically active bone, or … Read more

Technical Failures Causing Loosening

– See:     – Radiographic Evaluation of Cemented Femoral Components:     – Exam for THR Loosening: – Discussion:     – failure to remove soft cancellous bone from medial surface of femoral neck, so column of cement does not rest on dense cancellous or             cortical bone & … Read more