Sishencong and Baihui points location

Here is a picture of the head of patient where we can visually observe anatomical prominence on the scalp, crown of the head. This prominence may be easy palpated with fingers and has diameter of 2 cun. 
Fore sides of this circular protuberance of the vertex are four☺ extraordinary points Sishencong «four miraculouse faculties of hearing» used during migraine, dizziness, epilepsy, manias, hydrocephalus, depression, hearing problems.
In the middle is the point Baihui «meeting of hundred» for dissipating pathogenic heat and opening the orifices, strengthening the brain and calming the spirit, reviving  yang, calming the liver and dissipating pathogenic wind during headaches, dizziness, aphonia, hemiplegia, trismus, syncope, opisthotonos, palpitations, amnesia, tetanus, insomnia, tinnitus, rectal and other organ's prolapse,uterine hemorragy