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About 5 centimetres (2.0 in) in front of the occipital pole of the human brain, on the infero-lateral border is an indentation or notch, named the preoccipital notch.It is considered a landmark because the occipital lobe is located just behind the line that connects that notch with the parietoccipital sulcus.
Awake craniotomy is a neurosurgical technique and type of craniotomy that allows a surgeon to remove a brain tumor while the patient is awake to avoid brain damage.During the surgery, the neurosurgeon performs cortical mapping to identify vital areas, called the "eloquent brain", that should not be disturbed while removing the tumor.
A craniotomy is a surgical operation in which a bone flap is temporarily removed from the skull to access the brain.Craniotomies are often critical operations, performed on patients who are suffering from brain lesions, such as tumors, blood clots, removal of foreign bodies such as bullets, or traumatic brain injury, and can also allow doctors to surgically implant devices, such as deep brain ...
Craniofacial surgery is a surgical subspecialty that deals with congenital and acquired deformities of the head, skull, face, neck, jaws and associated structures. Although craniofacial treatment often involves manipulation of bone, craniofacial surgery is not tissue-specific; craniofacial surgeons deal with bone, skin, nerve, muscle, teeth, and other related anatomy.
In neuroanatomy, the parieto-occipital sulcus (also called the parieto-occipital fissure) is a deep sulcus in the cerebral cortex that marks the boundary between the cuneus and precuneus, and also between the parietal and occipital lobes.
The calcarine sulcus begins near the occipital pole in two converging rami. [1] It runs forward to a point a little below the splenium of the corpus callosum.Here, it is joined at an acute angle by the medial part of the parieto-occipital sulcus. [1]
Decompressive craniectomy (crani-+ -ectomy) is a neurosurgical procedure in which part of the skull is removed to allow a swelling or herniating brain room to expand without being squeezed. It is performed on victims of traumatic brain injury , stroke , Chiari malformation , and other conditions associated with raised intracranial pressure .
Surgical planning is the preoperative method of pre-visualising a surgical intervention, in order to predefine the surgical steps and furthermore the bone segment navigation in the context of computer-assisted surgery. [1] The surgical planning is most important in neurosurgery and oral and maxillofacial surgery.