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Cytomegalovirus esophagitis

Field	Value
name	Cytomegalovirus esophagitis
field	Gastroenterology, infectious disease

Cytomegalovirus esophagitis is a form of esophagitis associated with cytomegalovirus. Symptoms include dysphagia, upper abdominal pain, diarrhea, nausea, vomiting, and sometimes hematemesis. This condition occurs in the setting of patients with a weakened immune system who are susceptible to both infections by CMV and the manifestation of symptoms. A large majority of patient that have CMV Esophagitis are diagnosed with HIV. Another significant segment of the population have weakened immune systems through transplant surgery, diabetes, or due to medication. Diagnosis is done primarily by endoscopy with biopsy, as CMV Esophagitis has a distinctive pathology pattern of linear ulcers.

Signs and symptoms

Dysphagia: Difficulty or pain while swallowing
Hematemesis: Blood while vomiting
Abdominal Pain: Pain in the upper abdominal area, usually exacerbated by swallowing. Pain can also manifest as heartburn symptoms
Nausea/vomiting
Fever

Transmission

There are multiple ways cytomegalovirus can be transmitted. Mother to child transmission is common after childbirth. It can also be spread through blood or sex. Transmission via salvia, tears, or skin contact is rare.

Diagnosis

The most effective diagnostic tool for CMV is endoscopy with biopsy. Generally on inspection of the esophagus large punched out lesions are seen in the middle part of the esophagus. Further histological evaluation of the lesions demonstrates enlarged cells in the sub-epithelial layer with inclusions within the cell's nucleus and its cytoplasm. In addition to the histological examination fluorescent staining with an immunoperoxidase stain is highly specific. Radiologic imaging techniques such as X-Rays or CT Scans are not effective in diagnosing CMV Esophagitis but can identify any resulting strictures or fistulas.

Pathology

Macroscopy:

On a macroscopic basis, CMV Esophagitis may appear to be punched out lesions.

Microscopy:

Histology of CMV Esophagitis demonstrates enlarged cells with inclusions within both the cytoplasm and the nucleus of the cell. Also aggregates of macrophage cells are common on microscopic examination.

Treatment

Treatment revolves around intravenous treatment of ganciclovir. Alternate treatments involve valganciclovir, or foscarnet. All of these medication can cause nausea, diarrhea, fever, loss of appetite. Rarer side effects include anemia and tremors.

References

(2010). "Gastroenterological Endoscopy". Thieme.
(2014). "Robbins and Cotran pathologic basis of disease".
(2017). "Cytomegalovirus Disease of the Upper Gastrointestinal Tract: A 10-Year Retrospective Study". GE - Portuguese Journal of Gastroenterology.
(2019-11-04). "About Cytomegalovirus and Congenital CMV Infection {{!}} CDC".
(April 2002). "Diagnosis and Management of Infectious Esophagitis Associated with Human Immunodeficiency Virus Infection". Journal of the International Association of Physicians in AIDS Care.
(March 1998). "Treatment of Cytomegalovirus Esophagitis in Patients With Acquired Immune Deficiency Syndrome: A Randomized Controlled Study of FoscarnetVersusGanciclovir". American Journal of Gastroenterology.

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

inflammations esophagus-disorders cytomegalovirus-associated-diseases

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