A sural nerve biopsy is not required to diagnose most peripheral neuropathies, and conventional methods of clinical investigation such as electromyography, nerve conduction velocity, quantitative sensory and autonomic testing, and relevant laboratory assessment should be performed before embarking on this procedure (5).
Video: Baby's soft spots (fontanels) A baby's skull consists of several bones, and there are soft spots â or fontanels â where they meet. A baby's soft spots are covered by a thick fibrous layer. The soft spots are safe to touch and typically close within 12 to 18 months, when the skull bones fuse together. June 28, 2016.
13,15 Normal Fontanel POSTERIOR FONTANEL At birth, the average size of the posteriorfontanel is 0.5 cm in white infants and 0.7 cmin black infants. 16 The fontanel usually is com-pletely closed by two months of age.10 ANTERIOR FONTANEL The key feature of a normal anterior fontanelis variation.On the first day of an infantâs life,the normal fontanel ranges from 0.6 cm to3.6 cm, with a mean of 2.1 cm. 17 Black infantshave larger fontanels (1.4 cm to 4.7 cm).6 The fontanel usually is com-pletely closed by two months of age. 10 ANTERIOR FONTANEL The key feature of a normal anterior fontanelis variation. On the first day of an infantâs life,the normal fontanel ranges from 0.6 cm to3.6 cm, with a mean of 2.1 cm.