Elephantiasis
Elephantiasis of the legs due to filariasis.
Specialty	Infectious disease, general surgery
Symptoms	Swelling of the skin

Elephantiasis, often incorrectly called elephantitis, is the enlargement and hardening of limbs or body parts due to tissue swelling.^[1][2] It is characterised by edema, hypertrophy, and fibrosis of skin and subcutaneous tissues, due to obstruction of lymphatic vessels.^[2] It may affect the genitalia.^[2] The term elephantiasis is often used in reference to (symptoms caused by) parasitic worm infections,^[1][2] but may refer to a variety of diseases that swell parts of the subject's body to exceptionally massive proportions.^[2]

Cause

Some conditions that present with elephantiasis include:

• Elephantiasis nostras, due to longstanding chronic lymphangitis^{[citation needed]}
• Elephantiasis tropica (known as lymphatic filariasis), caused by a number of parasitic worms, particularly Wuchereria bancrofti. More than 120 million people, mostly in Africa and Southeast Asia, are affected.^[3]
• Nonfilarial elephantiasis (or podoconiosis), an immune disease affecting the lymph vessels^{[citation needed]}
• Leishmaniasis^[2]
• Elephantiasis, Grade 3 lymphedema which may occur in people with breast cancer^[4]
• Genital elephantiasis, result of lymphogranuloma venereum^{[citation needed]}
• Proteus syndrome, a genetic disorder best known as the condition possibly experienced by Joseph Merrick, the so-called "Elephant Man"^{[citation needed]}

Other causes may include:

• Repeated streptococcal infection^[2]
• Lymphadenectomy^[2]
• Hereditary birth defects^[2]
• Pretibial myxedema

References

External links

• "Elephantiasis" . Encyclopædia Britannica. Vol. VIII (9th ed.). 1878. p. 126.
• "Lymphatic filariasis". World Health Organization. Retrieved 1 June 2018.

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