Related Experiment Videos
[Giardia lamblia and duodenal involvement]
Simona-Maria Bătaga1, Felicia Toma, Simona Mocan
1Universitatea de Medicină şi Farmacie Târgu-Mureş.
Summary
Giardia lamblia (GL) causes duodenitis with specific endoscopic and histopathology features. This study identified characteristic changes in patients with giardiasis.
Area of Science:
- Gastroenterology
- Parasitology
- Histopathology
Context:
- Giardia lamblia (GL) is a common cause of diarrhea.
- Endoscopic findings in Giardia duodenitis are documented in literature.
- Diagnosis of giardiasis has been attempted using endoscopic criteria.
Purpose:
- To identify and characterize the endoscopic and histopathological changes associated with giardiasis.
Summary:
- A study of 214 patients undergoing upper digestive endoscopy revealed a high incidence of duodenitis in giardiasis cases.
- Specific endoscopic findings included whitish spots on erythematous duodenitis (60.46%) and concentric ex-ulcerations (4.16%).
- Histopathological analysis of biopsies confirmed duodenitis in all cases, with first-degree duodenitis being most prevalent (76.63%).
Impact:
- Establishes specific endoscopic and histopathological features for diagnosing giardiasis.
- Aids in differentiating giardiasis from other causes of duodenitis.
- Improves diagnostic accuracy for Giardia lamblia infections.
Related Concept Videos
Giardiasis
Giardiasis is a globally prevalent intestinal infection caused by the protozoan parasite Giardia duodenalis (also known as G. lamblia or G. intestinalis). This flagellated protozoan is the most frequently identified intestinal parasite in the United States and worldwide. Transmission primarily occurs via the fecal-oral route, with infection arising from ingestion of water or food contaminated with cysts. Individuals in low-resource settings, international travelers, outdoor enthusiasts, daycare...
Amebiasis
Entamoeba histolytica, a protozoan parasite, is responsible for intestinal and extraintestinal amebiasis. Though a significant proportion of infections remain asymptomatic, approximately 50 million individuals annually are estimated to present with clinical disease, resulting in up to 100,000 deaths globally. The disease burden is disproportionately high in regions with lower socioeconomic status, such as parts of India, Africa, Mexico, and Latin America.Etiology and TransmissionThe infective...
Gastritis II: Pathophysiology
The pathophysiology of gastritis begins with the colonization of the stomach lining by Helicobacter pylori (H. pylori). This bacterium spreads mainly via the oral-oral route through saliva or shared utensils, and can also be transmitted in overcrowded or unhygienic environments through contaminated water, despite its brief survival outside the body.ColonizationOnce ingested, H. pylori enters the stomach and begins colonization by navigating through the mucus layer lining the stomach wall. It...
Fungal Phylum Microsporidia
Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
Inflammatory Bowel Disease I: Introduction
Inflammatory bowel disease is a group of chronic disorders marked by recurrent inflammation of the gastrointestinal tract due to an abnormal immune response against gut microflora. This leads to tissue damage. The two main forms are Crohn’s disease and ulcerative colitis.Crohn’s DiseaseCrohn’s disease is a relapsing inflammatory disorder that can affect any part of the GI tract, from the mouth to the anus. It involves all layers of the bowel wall (transmural) and shows “skip lesions” in which...
Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies
Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.