Hookworm infection

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Hookworm egg - this is what a veterinarian sees in the stool of an infected dog or cat.

Hookworm infection Microchapters

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Diagnosis

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Case #1

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Synonyms and keywords: Ancylostoma infection.

Overview

Pathophysiology

Epidemiology and Demographics

Risk Factors

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms | Laboratory Findings | Other Diagnostic Studies

Differentiating Hookworm infection from other Nematode infections[1][2]
Nematode Transmission Direct Person-Person Transmission Duration of Infection Pulmonary Manifestation Location of Adult worm(s) Treatment
Ascaris lumbricoides Ingestion of infective ova No 1-2 years Free in the lumen of the small bowel

(primarily jejunum)

Trichuris trichiura

(whipworm)

Ingestion of infective ova No 1-3 years No pulmonary migration, therefore, no pulmonary manifestation Anchored in the superficial mucosa of cecum and colon
Hookworm (Necator americanus and Ancylostoma duodenale) Skin penetration by filariform larvae No
  • 3-5 years (Necator)
  • 1 year (Ancylostoma)
Attached to the mucosa of mid-upper portion of the small bowel
Strongyloides stercoralis Filariform larvae penetrates skin or bowel mucosa Yes Lifetime of the host Embedded in the mucosa of the duodenum, jejunum
Enterobius vermicularis (pinworm) Ingestion of infective ova Yes 1 month Extraintestinal migration is very rare[3] Free in the lumen of cecum, appendix, adjacent colon

Treatment

Medical Therapy | Prevention | Cost-Effectiveness of Therapy | Future or Investigational Therapies

Case Studies

Case #1

External Links

  1. http://www.cdc.gov/parasites/hookworm/index.html
  2. http://www.dpd.cdc.gov/dpdx/HTML/Hookworm.htm
  3. http://www.cdc.gov/healthypets/diseases/hookworm.htm
  4. http://www.cdc.gov/ncidod/dpd/parasites/hookworm/default.htm

Template:WH Template:WikiDoc Sources

  1. Durand, Marlene (2015). "Chapter 288:Intestinal Nematodes (Roundworms)". Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases Updated Edition, Eighth Edition. Elsevier. pp. 3199–3207. ISBN 978-1-4557-4801-3.
  2. Kim, Kami; Weiss, Louis; Tanowitz, Herbert (2016). "Chapter 39:Parasitic Infections". Murray and Nadel's Textbook of Respiratory Medicine Sixth Edition. Elsevier. pp. 682–698. ISBN 978-1-4557-3383-5.
  3. Serpytis M, Seinin D (2012). "Fatal case of ectopic enterobiasis: Enterobius vermicularis in the kidneys". Scand J Urol Nephrol. 46 (1): 70–2. doi:10.3109/00365599.2011.609834. PMID 21879805.