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01.12.2014 | Case report | Ausgabe 1/2014 Open Access

Journal of Medical Case Reports 1/2014

Acute appendicitis complicated by mass formation occurring simultaneously with serologically proven dengue fever: a case report

Zeitschrift:
Journal of Medical Case Reports > Ausgabe 1/2014
Autoren:
Manouri P Senanayake, Malik Samarasinghe
Wichtige Hinweise

Competing interests

The authors declare that they have no competing interests.

Authors’ contributions

MPS analyzed and interpreted the patient data and was the major contributor to the writing of the manuscript. MS provided his opinion regarding and confirmation of the diagnosis from a surgeon’s point of view and agreed with the conservative management of the patient. The clinical care of the patient was shared by MS and MPS. Both authors read and approved the final manuscript.

Abstract

Introduction

Acute abdomen and acute appendicitis are unusual clinical presentations that occur in dengue infection–caused illness. Lymphoid hyperplasia and mesenteric adenitis are possible explanations, although vasculitis in the pathology of dengue infection has not been reported. Authors of previous case reports have described mimicking of acute appendicitis discovered upon surgical treatment. Dengue virus has not been proven to cause acute appendicitis.

Case presentation

We report a case of an 8-year-old Sinhalese boy who developed acute appendicitis during the acute phase of serologically confirmed dengue fever. Although abdominal pain, vomiting and right-sided tenderness were present at the time of admission, a diagnosis of acute appendicitis was considered only 18 hours later, when abdominal guarding and a well-defined mass in the right iliac fossa were detected clinically and ultrasonographically. Conservative management with intravenous antibiotics was successful.

Conclusion

In areas where dengue is endemic, awareness of dengue viral infection as a non-surgical cause of acute abdomen, as well as its ability to mimic acute appendicitis, is important because unnecessary surgery-related morbidity can be decreased. However, delaying or missing the diagnosis of acute appendicitis can result in serious complications. This message is particularly relevant to clinicians, especially pediatricians and surgeons, who encounter large numbers of patients during dengue epidemics and run the risk of missing the diagnosis of acute appendicitis. Likewise, delaying or missing the diagnosis of dengue hemorrhagic fever can lead to dengue shock syndrome and even death. This case highlights the need for careful evaluation of each patient who presents with acute abdomen and dengue infection.

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