– 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
– Discussion: – talar instability is assessed w/ talar tilt test, in which angle formed by tibial plafond & talar dome is measured as inversion force is applied to hindfoot; – talar tilt test is useful for evaluation of a combined injury of both the anterior talofibular and the calcaneofibular ligaments. – isolated rupture of the … Read more
Discussion affects periarticular soft tissues resulting in joint laxity with secondary dysfunction; minimal synovitis – articular cartilage is preserved; Raynaud’s phenomenon is common; diagnosis depends on positive F ANA test along with three other criteria: swollen joints nephritis pericarditis severe rash references: The 1982 revised criteria for the classification of systemic lupus erythematosus. Updating the American … Read more
– Anatomy: – C-8 & T-1 anterior nerve roots convey preganglionic sympathetic fibers for innervation of head & neck to corresponding spinal nerves, from which they pass to ganglionated sympathetic chain; – further laterally these 2 spinal nerves acquire bulk of postganglionic fibers for the hand … Read more
– See: Synthes Hybrid Fixator – Discussion and Initial Considerations – Operative Technique: – may be combined w/ circular wire fixators; – reduction: – in most cases, the fracture should be reduced prior to fixator application; – planning the configuration: … Read more
– Engaging the Nail Jig: – position the insertion block on to the proximal end of the nail; – position insertion handle onto insertion block so it will be medial to tibia for nail insertion and precise placement of proximal locking; – note that the proximal nail tip … Read more
– See: Myelodysplasia: – Discussion: – syringomyelia is a condition in which tubular cavity, or syrinx, in central area of spinal cord gradually expands leading to progressive myelopathy; – it is associated w/ disturbed hydrodynamics of cervical spinal fluid w/ or w/o associated obstruction at the cranial cervical junction; … Read more
– See: Soft Tissue Tumor Menu – Discussion: – 4th most common soft-tissue sarcoma (5 to 10 percent of all cases of soft-tissue sarcoma) – tumor derived from the synovial tissues found along fascial planes, periarticular structures, and rarely, in joints; – it may involve the … Read more
– Discussion: – caused by non hemolytic Strep and hemolytic Staph aureus; – although staph alone may show up on culture, special attention may must be paid to isolating the microaerophilic Streptococceae; – necrotizing fascitis may occur, especially in diabetics; – any hand infection that does not respond … Read more
– See: Acrosyndactyly; – Discussion: – failure of differentiation of the tisses between the fingers at 5th-8th week of intrauterine life (see limb development); – most common in the middle and ring fingers; – syndactyly (webbing or fusion of two or more digits), a result of failure of … Read more