The authors present the case of a young man victim of a traffic accident during the SARS-CoV-2 confinement, having presented a fracture of the femoral shaft that was soon complicated by respiratory failure with oxygen desaturation. In this pandemic context, Covid-19 RT-PCR tests were carried out but returned negative. The CT images could suggest either a fatty embolism, a SARS-CoV-2 infection or both. The patient's condition improved significantly after going into intensive care and only symptomatic treatment. This case demonstrates the difficulty of differential interpretation of CT images between fatty embolism and SARS-CoV-2 infection.
The excursion of the flexor tendons of the thumb and fingers was studied in ten fresh cadaveric upper limbs. For each centimetre of tendon movement, obtained by traction of the flexor tendons at the wrist, the angular changes of the digital articulations were measured; movement started at extension and proceeded to maximum flexion. A further five upper limbs were used to evaluate the effect of pressure over the musculotendinous area of the flexor tendons of the fingers and thumb. Pressure on the muscle bellies in the forearm causes movement of the tendons, different for each finger, with the accompanying digital flexion depends on the magnitude of the movement. On the basis of this anatomical study a test is described which may be beneficial in the diagnosis of pathology and trauma of the flexor tendons and, particularly, in the intraoperative evaluation of the quality of motion obtained during tenolysis.
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