lymphatic edema - definizione. Che cos'è lymphatic edema
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Cosa (chi) è lymphatic edema - definizione

HUMAN DISEASE CAUSED BY PARASITIC WORMS
Lymphatic Filariasis; Elephantiasis tropica; Elephantiasis arabum; Elefantiasis; Human lymphatic filariasis; Lymphatic filiariasis
  • A man in Japan is helped to carry his enlarged scrotum
  • 19-year-old woman with elephantiasis, c. 1878
  • Life cycle of ''Wuchereria bancrofti'', a parasite that causes lymphatic filariasis
  • more than 500}}
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Lymphatic vessel         
  • A still image from a 3D medical animation showing afferent vessels
  • Propulsion of lymph through lymph vessel
TUBULAR VESSELS THAT ARE INVOLVED IN THE TRANSPORT OF LYMPH AND LYMPHOCYTES
Lymph vessels; Lymphatics; Lymphatic vessels; Efferent lymph vessel; Afferent lymph vessel; Efferent lymphatic vessels; Efferent lymphatic vessel; Afferent lymphatic vessels; Afferent lymphvessel; Lymphatic vessel tumor; Lymph channel; Lymph vessel; Vas lymphaticum; Vasa afferentia lymphoglandulae; Vasa efferentia lymphoglandulae; Afferent lymphatic vessel; Efferent lymph vessels; Lymphatic valve; Lymphatic Vessels; Lymphatic vasculature
The lymphatic vessels (or lymph vessels or lymphatics) are thin-walled vessels (tubes), structured like blood vessels, that carry lymph. As part of the lymphatic system, lymph vessels are complementary to the cardiovascular system.
Cerebral edema         
HUMAN DISEASE
Cerebral Edema; Cerebral oedema; Brain edema; Vasogenic edema; Traumatic cerebral oedema; Osmotic cerebral edema; Cortical edema; Cytotoxic edema; Brain swelling; Acute cerebral edema
Cerebral edema is excess accumulation of fluid (edema) in the intracellular or extracellular spaces of the brain. This typically causes impaired nerve function, increased pressure within the skull, and can eventually lead to direct compression of brain tissue and blood vessels.
Macular edema         
  • Cystoid macular edema (CME). There are intraretinal cystoid spaces
  • Diabetic macular edema, with hard exudates surrounding the blood vessels.
HUMAN DISEASE
Cystoid macular edema; Cystoid macular oedema; Macular oedema; Retinal edema; Retinal oedema
Macular edema occurs when fluid and protein deposits collect on or under the macula of the eye (a yellow central area of the retina) and causes it to thicken and swell (edema). The swelling may distort a person's central vision, because the macula holds tightly packed cones that provide sharp, clear, central vision to enable a person to see detail, form, and color that is directly in the centre of the field of view.

Wikipedia

Lymphatic filariasis

Lymphatic filariasis is a human disease caused by parasitic worms known as filarial worms. Usually acquired in childhood, it is a leading cause of permanent disability worldwide. While most cases have no symptoms, some people develop a syndrome called elephantiasis, which is marked by severe swelling in the arms, legs, breasts, or genitals. The skin may become thicker as well, and the condition may become painful. Affected people are often unable to work and are often shunned or rejected by others because of their disfigurement and disability.

It is the first of the mosquito-borne diseases to have been identified. The worms are spread by the bites of infected mosquitoes. Three types of worms are known to cause the disease: Wuchereria bancrofti, Brugia malayi, and Brugia timori, with Wuchereria bancrofti being the most common. These worms damage the lymphatic system. The disease is diagnosed by microscopic examination of blood collected during the night. The blood is typically examined as a smear after being stained with Giemsa stain. Testing the blood for antibodies against the disease may also permit diagnosis. Other roundworms from the same family are responsible for river blindness.

Prevention can be achieved by treating entire groups in which the disease exists, known as mass deworming. This is done every year for about six years, in an effort to rid a population of the disease entirely. Medications used include antiparasitics such as albendazole with ivermectin, or albendazole with diethylcarbamazine. The medications do not kill the adult worms but prevent further spread of the disease until the worms die on their own. Efforts to prevent mosquito bites are also recommended, including reducing the number of mosquitoes and promoting the use of bed nets.

As of 2022, about 40 million people were infected, and about 863 million people were at risk of the disease in 47 countries. It is most common in tropical Africa and Asia. Lymphatic filariasis is classified as a neglected tropical disease and one of the four main worm infections. The impact of the disease results in economic losses of billions of dollars a year.