Diseases starting with a letter n

List Diseases – N

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The term "nicturia" is used when a person has a predominance of nighttime urine volume over daytime urine volume, and the number of trips to the toilet in the middle of a night's rest is two or more.

Nicotine. Nicotine addiction. Symptoms and treatment

Nicotine produces complex effects for which it is spontaneously consumed by animals and humans. It is widely recognized as the most important addictive substance, since nicotine addiction leads to smoking, which in turn is the most common preventable cause of death in the United States.

Nicotine poisoning

A derivative of the nitrogenous compound pyridine, the tobacco alkaloid nicotine, is a potent neuro- and cardiotoxin. In addition to the harm of smoking itself, which causes physical and psychological dependence, there can be direct nicotine poisoning in both adults and children.

New possibilities in the treatment of infantile hemangiomas with propranolol

Infantile hemangioma (IH) is a common benign vascular tumor that occurs primarily in premature and female infants, with localization predominantly on the head and neck.

Nevus removal

A nevus is a benign spot or growth of congenital or acquired origin. Neoplasms can have different shapes and sizes and range from flat spots to large papilloma-like elements.

Nevus of Ota and Ito. Causes. Symptoms. Diagnosis. Treatment

Nevus of Ota is a skin hyperpigmentation area, continuous or with small inclusions, from blue-black to dark brown, with a characteristic localization on the face in the innervation zone of the trigeminal nerve. It can be bilateral.

Nevi. Causes. Symptoms. Diagnosis. Treatment

The basis of the nevus may be autoimmune disorders, i.e. the appearance of cytotoxic antibodies in the blood and the action of cytotoxic lymphocytes. In the focus of depigmentation, a decrease in the melanin content in melanocytes and the disappearance of the melanocytes themselves from the epidermis are noted.

Neutropenia (agranulocytosis, granulocytopenia): causes, symptoms, diagnosis, treatment

Neutropenia (agranulocytosis, granulocytopenia) is a decrease in the number of neutrophils (granulocytes) in the blood. With severe neutropenia, the risk and severity of bacterial and fungal infections increases.

Neutropenia

The criterion for neutropenia in children over one year of age and adults is a decrease in the absolute number of neutrophils (band and segmented) in the peripheral blood to 1.5 thousand in 1 μl of blood and below, in children in the first year of life - to 1 thousand in 1 μl and below.

Neurotrophic ulcers

Neurotrophic ulcers occur in patients with damage to the central or peripheral nervous system. Most often, such ulcers occur in patients with the neuropathic form of diabetic foot syndrome, CNS and peripheral nerve injuries.

Neurotensinoma

Neurotensinoma - individual neurotensin-producing cells (N-cells) are found in pancreatic gastrinoma. There are still few reports of predominantly neurotensin-producing tumors.

Neurosyphilis

Neurosyphilis is a form of syphilis, an infectious disease caused by the bacterium Treponema pallidum.

Neurosensory hearing loss

Neurosensory hearing loss is one of the variations of deterioration (up to complete loss) of auditory function that is caused by damage to any part of the sound-receptive mechanism of the hearing analyzer, from the sensory portion of the cochlea to the neural apparatus.

Neurosensory (sensorineural) hearing loss

Sensorineural hearing loss (sensorineural hearing loss, perceptual hearing loss, cochlear neuritis) is a form of hearing loss in which any part of the sound-perceiving part of the auditory analyzer is affected, starting from the sensory cells of the inner ear and ending with the cortical representation in the temporal lobe of the cerebral cortex.

Neuroretinitis

Neuroretinitis is more often a unilateral (less often - bilateral) inflammatory process, which is characterized by damage to the optic nerve and the layer of retinal nerve fibers

Neuroparalytic keratitis. Causes. Symptoms. Diagnosis. Treatment

Neuroparalytic keratitis develops after the first branch of the trigeminal nerve is transected, sometimes after injections into the Gasserian ganglion or after its extirpation.

Neuromuscular dysfunctions of the larynx. Causes. Symptoms. Diagnosis. Treatment

The larynx is the functional center of the upper respiratory tract, which reacts subtly to minor disturbances in its innervation, endocrine dysfunctions, various types of psychogenic factors, and professional and domestic hazards.

Neurologic disorders of the pharynx. Causes. Symptoms. Diagnosis. Treatment

The adequate functioning of the pharynx is based on complex, mutually coordinated neural processes, the slightest disruption of which leads to disorganization of the alimentary and respiratory functions at this level.

Neuroleptic syndrome

NMS most often develops soon after starting treatment with antipsychotics, or after increasing the dosage of the medications taken.

Neurogenic muscle contractures

The term "contracture" is applicable to all cases of persistent fixed muscle shortening. In this case, the EMG appears "silent" in contrast to transient forms of muscle contraction (cramps, tetanus, tetany), accompanied by high-voltage high-frequency discharges on the EMG.

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List Diseases – N

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