Case Report
Copyright ©The Author(s) 2023. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Clin Infect Dis. Oct 19, 2023; 13(3): 24-30
Published online Oct 19, 2023. doi: 10.5495/wjcid.v13.i3.24
Brucellosis, a diagnostic dilemma, presenting atypically in a child with terminal ileitis: A case report
Kokila Banerjee, Amitava Pahari, Subhendu Roy
Kokila Banerjee, Department of Microbiology, Drs. Tribedi and Roy Diagnostic Laboratory, Kolkata 700016, West Bengal, India
Amitava Pahari, Department of Pediatric Infectious Diseases, Apollo Hospitals, Kolkata, kolkata 700048, India
Subhendu Roy, Drs. Tribedi and Roy Diagnostic Laboratory, Kolkata, Kolkata 700012, India
Author contributions: All authors were involved in the care of the patient; All authors drafted and reviewed the manuscript.
Informed consent statement: Informed written consent was obtained from the patient for publication of this report.
Conflict-of-interest statement: There is no conflict of interest to declare.
CARE Checklist (2016) statement: The authors have read the CARE Checklist (2016), and the manuscript was prepared and revised according to the CARE Checklist (2016).
Open-Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: https://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: Kokila Banerjee, MD, Researcher, Department of Microbiology, Drs. Tribedi and Roy Diagnostic Laboratory, 93, Park Street, Kolkata 700016, West Bengal, India. drkokilabanerjee1@gmail.com
Received: June 19, 2023
Peer-review started: June 19, 2023
First decision: August 30, 2023
Revised: September 4, 2023
Accepted: September 22, 2023
Article in press: September 22, 2023
Published online: October 19, 2023
Processing time: 121 Days and 21.8 Hours
Abstract
BACKGROUND

Brucellosis is endemic in India with seropositivity rates as high as 10% in children in the eastern states, yet the disease is not on the radar when a differential diagnosis of pyrexia of unknown origin (PUO) is being considered, especially in children in urban set-up. This may be because of the non-specific multitude of systemic symptoms seen in this disease and the lack of awareness among clinicians.

CASE SUMMARY

We present a case of a 13-year-old boy, who came with a history of undulating fever for the past three and a half months, loss of appetite, and abdominal pain. The child had visited several pediatricians and was even admitted to a tertiary care hospital for PUO evaluation, but to no avail. He presented to us after three and half months of suffering and weight loss of more than 10% of body weight. His ultrasonography revealed thickening of the terminal ileum. His blood culture grew Brucella melitensis. A diagnosis of Brucellosis with terminal ileitis was made. Brucella serology by enzyme-linked immunoassay (ELISA) was positive for both IgG and IgM. He was treated with doxycycline and Rifampicin along with syrup multivitamin and zinc, for 6 wk. There was remarkable improvement with gain in 4 kg body weight within 2 mo of completing treatment. History revealed consumption of unpasteurized milk and contact with cattle.

CONCLUSION

Clinical suspicion, detailed history, appropriate laboratory investigations are the three pillars for diagnosing Brucellosis in patients presenting with vague symptoms.

Keywords: Pyrexia of unknown origin; Terminal ileitis; Brucellosis; Case report

Core Tip: Pyrexia of unknown origin has always been a diagnostic challenge for clinicians, in spite of development of most modern diagnostic techniques. The decision to choose the right investigation depends on the clinician’s acumen which in turn is guided by detailed history-taking and knowledge of local disease prevalence, leading to timely diagnosis with prevention of mental, physical and financial agony. Our child suffering for three-and-half months, could have landed in the emergency department with acute abdomen, had there been a further delay in the diagnosis of his vague symptoms that were due to Brucellosis presenting atypically with terminal ileitis.