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Appendicitis

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...

Appendicitis-I: Introduction

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 Management

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 I: Introduction

Acute Pyelonephritis I: Introduction

Pyelonephritis is a bacterial infection that primarily affects the renal parenchyma and collecting system, including the renal pelvis, tubules, and interstitial tissue of one or both kidneys. It can be classified as either acute—a sudden, severe infection—or chronic, which refers to long-term or recurrent kidney infections.The primary cause of acute pyelonephritis (APN) is bacterial infection, with Escherichia coli accounting for approximately 70-80% of cases. Other bacteria, such...

Cholecystitis

Cholecystitis

Cholecystitis is inflammation of the gallbladder, most commonly caused by obstruction of the cystic duct. This blockage prevents bile from draining, leading to gallbladder distension, inflammation, and potentially serious complications. This condition may present acutely or chronically and can happen with or without gallstones.EtiologyAbout 95% of cholecystitis cases are calculous, caused by gallstones blocking the cystic duct, leading to bile accumulation and inflammation of the gallbladder...

Acute Pyelonephritis II: Diagnostic Studies and Management

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...

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Related Experiment Video

Updated: May 5, 2026

Author Spotlight: Advancements in Retroperitoneal Approach for Necrotizing Pancreatitis

Author Spotlight: Advancements in Retroperitoneal Approach for Necrotizing Pancreatitis

Published on: March 15, 2024

Acute appendicitis complicated by pylephlebitis: a case report.

Ricardo Castro¹, Teresa Fernandes, Maria I Oliveira

¹Department of Radiology, Hospital de S. Joao, Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal.

Case Reports in Radiology

|December 7, 2013

Summary

This summary is machine-generated.

Pylephlebitis, a septic thrombophlebitis of the portal vein, is a rare complication of intraabdominal infections like appendicitis. Diagnosis can be challenging due to non-specific symptoms, but contrast-enhanced CT is effective.

Related Experiment Videos

Last Updated: May 5, 2026

Author Spotlight: Advancements in Retroperitoneal Approach for Necrotizing Pancreatitis

Author Spotlight: Advancements in Retroperitoneal Approach for Necrotizing Pancreatitis

Published on: March 15, 2024

Area of Science:

Medical Case Study
Abdominal Surgery
Infectious Diseases

Background:

Pylephlebitis is septic thrombophlebitis of the portal vein.
It is a rare but serious complication of intraabdominal infections, often linked to diverticulitis and appendicitis.
Pylephlebitis presents with non-specific clinical signs, making diagnosis difficult.

Purpose of the Study:

To report a case of acute appendicitis complicated by pylephlebitis.
To highlight the diagnostic utility of contrast-enhanced CT in such cases.

Main Methods:

Case report of a 21-year-old male patient.
Diagnosis confirmed using contrast-enhanced computed tomography (CT).

Main Results:

The patient presented with acute appendicitis.
Pylephlebitis was identified as a complication.
Contrast-enhanced CT was instrumental in establishing the diagnosis.

Conclusions:

Pylephlebitis is a critical complication of appendicitis.
Contrast-enhanced CT is a valuable tool for diagnosing pylephlebitis.
Early diagnosis and treatment are crucial for managing this condition.