Do normal leucocyte count and C-reactive protein value exclude acute appendicitis in children?

J M Grönroos1

  • 1Department of Surgery. University of Turku, Finland. juha.gronroos@tyks.fi

Insights

In children, a normal leucocyte count and C-reactive protein (CRP) level do not rule out acute appendicitis. This differs from adult patients, highlighting a key diagnostic challenge in pediatric cases.

Area of Science:

  • Pediatric Surgery
  • Clinical Diagnostics
  • Inflammatory Markers

Background:

  • Acute appendicitis is a common surgical emergency in children.
  • Diagnostic accuracy for appendicitis in pediatric patients can be challenging.
  • Leucocyte count and C-reactive protein (CRP) are commonly used inflammatory markers.

Purpose of the Study:

  • To evaluate the diagnostic role of leucocyte count and CRP in pediatric acute appendicitis.
  • To identify cases of acute appendicitis in children presenting with normal leucocyte count and CRP levels.
  • To compare diagnostic marker utility in children versus adults.

Main Methods:

  • A comparative study involving 100 children with acute appendicitis (group B) and 100 with uninflamed appendices (group A).
  • Preoperative leucocyte count and CRP levels were measured and analyzed.
  • The distribution of normal, elevated, and combined values was calculated for both groups.

Main Results:

  • Leucocyte count significantly differentiated between inflamed and uninflamed appendices in children (p < 0.001).
  • Mean leucocyte count was 10.2 x 10(9)/L in controls and 15.0 x 10(9)/L in appendicitis cases.
  • C-reactive protein (CRP) levels did not effectively distinguish between the groups (p = 0.866).
  • Notably, 7% of children with acute appendicitis had both normal leucocyte count and CRP levels.

Conclusions:

  • Normal leucocyte count and CRP levels do not reliably exclude acute appendicitis in children.
  • Diagnostic strategies for pediatric appendicitis may need to consider limitations of these inflammatory markers.
  • Findings contrast with adult appendicitis diagnostics, emphasizing age-specific considerations.
Abstract

Related Concept Videos

Appendicitis-I: Introduction01:22

Appendicitis-I: Introduction

The appendix, a small, narrow, blind tube extending from the inferior part of the cecum, is widely regarded as a vestigial organ, having lost much of its original function through evolution. Despite its diminished role, the appendix can become inflamed, a condition known as appendicitis.
Etiology: Appendicitis can arise from various causes, primarily rooted in the obstruction of the appendix lumen. Factors contributing to this obstruction include fecal accumulation, lymphoid hyperplasia and, in...
Appendicitis-II: Diagnostic Studies and Management01:29

Appendicitis-II: Diagnostic Studies and Management

Diagnosing and managing appendicitis requires a structured and comprehensive approach that spans from initial assessment to postoperative care. Here is an overview of the process:
Diagnosing Appendicitis
It requires a multifaceted approach, starting with a detailed physical examination to pinpoint the location and nature of the pain and identify any associated symptoms. Laboratory tests play a crucial role. A complete Blood Count (CBC) typically reveals leukocytosis (an increased number of...
Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
Acute Inflammation II: Cellular Phase01:26

Acute Inflammation II: Cellular Phase

The cellular phase of acute inflammation is a tightly orchestrated sequence of events that recruits leukocytes, primarily neutrophils, to sites of tissue injury or infection. Following the initial vascular changes, this phase ensures effective immune cell migration, activation, and function at the affected site to eliminate pathogens and initiate tissue repair.Leukocyte Recruitment CascadeLeukocyte recruitment happens in four steps: margination, adhesion, transmigration, and chemotaxis. Reduced...
Appendicitis01:19

Appendicitis

Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...