AskDefine | Define tabes

Dictionary Definition

tabes n : wasting of the body during a chronic disease

User Contributed Dictionary

English

Etymology

Latin "wasting away"

Pronunciation

IPA: /'teɪbi:z/

Noun

tabes
  1. A kind of slow bodily wasting or emaciating disease, often accompanying a chronic disease.

Extensive Definition

Tabes dorsalis is a slow degeneration of the nerve cells and nerve fibers that carry sensory information to the brain. The degenerating nerves are in the dorsal columns of the spinal cord (the portion closest to the back of the body) and carry information that help maintain a person's sense of position, vibration, and discriminative touch.

Cause

Tabes dorsalis is caused by demyelination. It is the result of an untreated syphilis infection.

Symptoms

Symptoms may not appear for some decades after the initial infection and include: weakness, diminished reflexes, paresthesias including morbid cutaneous sensations having no objective cause, shooting and burning pains, pricking sensations, and formication (a sensation like that produced by small insects crawling over skin), and hypesthesias (abnormally diminished cutaneous, especially tactile, sensory modalities), unsteady gait (locomotor ataxia), progressive degeneration of the joints, loss of coordination, episodes of intense pain and disturbed sensation (including glossodynia), personality changes, dementia, deafness, visual impairment, and impaired response to light. The skeletal musculature is hypotonic due to destruction of the sensory limb of the spindle reflex. The deep tendon reflexes are also diminished or absent. For example, the knee jerk or patellar reflex may be lacking, a characteristic finding in tabes known as Westphal's sign.
Tabes dorsalgia is a related back pain.

Prognosis

If left untreated, tabes dorsalis can lead to paralysis, dementia, and blindness. Existing nerve damage cannot be reversed.

Incidence/Prevalence

The disease is more frequent in males than in females. Onset is commonly during mid-life. The incidence of tabes dorsalis is rising, in part due to co-associated HIV infection.

Treatment

Penicillin, administered intravenously, is the treatment of choice. Associated pain can be treated with opiates, valproate, or carbamazepine. Patients may also require physical or rehabilitative therapy to deal with muscle wasting and weakness. Preventive treatment for those who come into sexual contact with an individual with tabes dorsalis is important.

Trivia

Sir Arthur Conan Doyle, author of the Sherlock Holmes stories, completed his doctorate on tabes dorsalis in 1885.

References

tabes in French: Tabes dorsalis
tabes in Portuguese: Tabes dorsalis

Synonyms, Antonyms and Related Words

French disease, Spanish pox, VD, abscess, acquired syphilis, ague, anemia, ankylosis, anoxia, apnea, asphyxiation, asthma, ataxia, atrophy, attenuation, backache, balanitis gangrenosa, bleeding, blennorhea, cachexia, cachexy, cerebral tabes, chancre, chancroid, chill, chills, clap, claps, climatic bubo, colic, congenital syphilis, constipation, constitutional syphilis, convulsion, coughing, cyanosis, diarrhea, dizziness, dose, dose of clap, dropsy, dysentery, dyspepsia, dyspnea, edema, emaceration, emaciation, fainting, fatigue, fever, fibrillation, fifth venereal disease, flux, general paresis, gonorrhea, granuloma inguinale, granuloma venereum, great pox, growth, hard chancre, hemorrhage, high blood pressure, hydrops, hypertension, hypotension, icterus, indigestion, inflammation, insomnia, itching, jaundice, labored breathing, latent syphilis, locomotor ataxia, low blood pressure, lumbago, marasmus, morbus Gallicus, nasal discharge, nausea, necrosis, pain, paralysis, paralytic dementia, paresis, pox, pruritus, pudendal ulcer, rash, rheum, sclerosis, seizure, shock, simple chancre, skin eruption, sneezing, social disease, soft chancre, sore, spasm, syph, syphilis, syphilitic meningoencephalitis, tabes dorsales, tachycardia, tertiary syphilis, tropical bubo, tumor, upset stomach, venereal disease, vertigo, vomiting, wasting
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