Advanced Medicine

Tuesday, January 24, 2012

Neck: Definition

The nape is the back of the neck located below the occiput.


Occipital syndrome (in English occipital syndrome) is characterized by the occurrence of a set of symptoms due to impairment of the brain's occipital lobe (back of the brain). Symptoms include (partial list):

Visual disorders characterized primarily by the appearance of a homonymous hemianopia without involvement of the macula. The hemianopsia is the loss or diminution of vision in one half of the visual field of one eye or two eyes more often. The term homonym means an injury or disorder on the two bodies on the same side, that is located both on the right or left of the median plane (passing through the center of the body). The macula is the depression at the back (posterior) of the retina. Also known as yellow spot, the macula is the area of ​​the retina most sensitive light.
A blind psychic in nature when the lesion is located on the left.
Visual hallucinations.
The occipitalisation of the atlas is the malformation of the area which hinge between the skull base (that is to say the occiput) and the first cervical vertebrae: the atlas. This alteration of the morphology of the skeleton of this part of the neck is characterized by total or partial fusion of the two bones.

Encephalomyelitis is a term derived from the Greek enképhalos: brain and muélos: marrow that means inflammation of the central nervous system (spinal cord). In this condition the patient complains of the following (not exhaustive):

Headache (headache)
Stiff neck
Visual disturbances
Mental and motor disturbance
This neurological disease is sometimes observed after some eruptive fevers. Its evolution is almost always to recovery with or without sequelae.
Some patients encephalomyelitis following an infection by a virus of the Heine-Medin disease.

The hemangiopericytoma is a variety of angioma, occurrence of rare, constituting some of brownish skin tumors appearing mainly on the trunk legs, neck. Sometimes this type of condition also applies when the viscera appearing in the form of visceral tumor.
The development of malignant hemangiopericytoma is sometimes. It is then composed of endothelial cords surrounded by many pericytes that is to say cells with capabilities similar to contraction and smooth muscle cells lining the vessel walls.

The lichen albus von Zumbusch is a variety of lichen porcelain (from Gougerot) based generally on the neck and is characterized by papules that coalesce sometimes white porcelain cupboard rolling contours are angular.

The maduromycose, also called hyphomycétome is a variety of mycetoma, whose type is the disease or Madura foot, may also occur in the neck, and characterized by grains containing large hyphae, fragmented and leading the most often chlamydospores. Slight causes are fungi (maduromycètes), usually Madurella mycetoma, Leptospharia senegalensis and Allescheria boydii.

Münchmeyer's disease is characterized by the production of bone tissue (bone cells) within the same muscle and around him, in the tendons and fascia (membranes covering and protecting muscles). This disease begins early in life through the back muscles and neck and then gradually invades the whole of the musculature.

Acute bulbar paralysis of Leyden, acute bulbar palsy in English, refers to acute inflammation of the basal ganglia located in the medulla (lower polioencéphalite acute) that begins suddenly with headache, pain in the neck, vertigo. This quickly led to a paralysis vélopalatine (soft palate) and sometimes a facial paralysis, dysarthria (slurred speech) and swallowing disorders (difficulty swallowing). Evolution is pejorative, since the death occurs within days. This is preceded by disruption of the cardiac and vascular equipment and sleepiness. This paralysis relates more specifically to individuals intoxicated by alcohol or occurs during the malignant syndrome of certain infectious diseases, the syndrome of Landry or the Heine-Medin disease.

Alopecia areata ophiasique Sabouraud, is a type of alopecia that occurs mainly in children. And that begins with a bald patch at the neck and vertical form. Subsequently plates appear in a horizontal position by adopting the form of wreaths at the lower scalp.

Spiegler's tumor is a tumor of multiple rounded shape, which can reach the size of nine, proliferating at the scalp, sometimes his talents towards the temples, forehead and neck. Analysis of cells constituting the tumor shows the kindness and the fact that the tumor was encapsulated, occasionally lobulated or inground pseudocysts (hence the name cylindroma). It is a hereditary condition which transmission is autosomal dominant.

The rétrocollis is a variety of torticollis in which the head is thrown back because of the contraction of the muscles of the neck.

Posterior cervical sympathetic syndrome is characterized by the onset of headache (headache) occipital (located in back of the skull), dizziness, visual problems and hearing problems. Some patients complain of pain even in the face (facial pain). In some cases the patient hears the cracking in his neck when he moves it. It appears in the rheumatoid cervical spine and probably occur as a result of irritation of the nerve surrounding the vertebral artery (Burtscher-Rochaix syndrome).

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