Diphyllobothriasis natural history

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Kalsang Dolma, M.B.B.S.[2] Associate Editor(s)-in-Chief: Furqan M M. M.B.B.S [3]

Overview

If left untreated, patients with diphyllobothriasis may progress to develop cholecystitis/cholangitis and anemia. Common complications of diphyllobothriasis include megaloblastic anemia, cholecystitis/cholangitis, and intestinal obstruction. Prognosis is generally good.

Natural History

The symptoms of diphyllobothriais usually develop after eating undercooked or raw infected fish meat and start with symptoms such as abdominal pain, diarrhea, nausea, vomiting, and tiredness. The symptoms of diphyllobothriasis typically develop five weeks after exposure to infected meat. Without treatment, the patient will develop symptoms of intestinal obstruction and infections of the biliary tract.^[1]^[2]^[3]

Complications

Megaloblastic anemia
Intestinal obstruction
Migration of proglottids can cause cholecystitis or cholangitis.

Prognosis

Diphyllobothriasis can be removed with a single treatment dose. There are no lasting effects.

References

↑ Baron, Samuel (1996). Medical microbiology. Galveston, Tex: University of Texas Medical Branch at Galveston. ISBN 0-9631172-1-1.
↑ Scholz T, Garcia HH, Kuchta R, Wicht B (2009). "Update on the human broad tapeworm (genus diphyllobothrium), including clinical relevance". Clin. Microbiol. Rev. 22 (1): 146–60, Table of Contents. doi:10.1128/CMR.00033-08. PMC 2620636. PMID 19136438.
↑ Feng XF (1989). "[Cervical anastomosis of the stomach transposed through the esophageal bed--report of 536 cases]". Zhonghua Zhong Liu Za Zhi (in Chinese). 11 (5): 374–6. PMID 2620636.

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[Medical_microbiology-1] Baron, Samuel (1996). Medical microbiology. Galveston, Tex: University of Texas Medical Branch at Galveston. ISBN 0-9631172-1-1.

[pmid19136438-2] Scholz T, Garcia HH, Kuchta R, Wicht B (2009). "Update on the human broad tapeworm (genus diphyllobothrium), including clinical relevance". Clin. Microbiol. Rev. 22 (1): 146–60, Table of Contents. doi:10.1128/CMR.00033-08. PMC 2620636. PMID 19136438.

[pmid2620636-3] Feng XF (1989). "[Cervical anastomosis of the stomach transposed through the esophageal bed--report of 536 cases]". Zhonghua Zhong Liu Za Zhi (in Chinese). 11 (5): 374–6. PMID 2620636.

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