Showing posts with the label Classification of Ulcers

Corneal Ulcers: Causes, Symptoms, and Treatment

What Are Corneal Ulcers? Corneal ulcers, also known as ulcerative keratitis or eyesores, are open sores on the cornea, the transparent central part of the eye. They result from infections, trauma, or other underlying conditions, and are particularly common in tropical regions and areas with high vitamin A deficiency. Types of Corneal Ulcers Corneal ulcers can be classified based on their depth and cause: Superficial Ulcers : Affect only the outer layer (epithelium) of the cornea. Deep Ulcers : Extend into the stroma, potentially causing scarring and permanent vision damage. Causes of Corneal Ulcers Corneal ulcers can be caused by various microorganisms, each presenting distinct characteristics: Bacterial Keratitis : Caused by bacteria such as Staphylococcus aureus , Streptococcus viridans , Escherichia coli , and Pseudomonas . Fungal Keratitis : Caused by fungi like Aspergillus , Fusarium , and Candida . These ulcers progress slowly but can lead to severe complications if untreated. Vi

Understanding Ulcers: Symptoms, Causes, and Management

What Are Ulcers? Ulcers are open wounds that form on the skin or inside the body’s hollow organs, causing significant pain and burning sensations. They typically result from reduced blood supply to the affected area. Ulcers appear as open craters, usually round but can become irregular in advanced stages, with corroded skin layers. The center is often the most affected, with destruction of the epidermis, dermis, and fat layer, while the outer edges show less severe damage. The surrounding skin is red, swollen, and tender. Symptoms of Ulcers Red, tender, and swollen skin around the ulcer Pain around the ulcer site Fluid discharge, sometimes with pus Occasional fever if bacterial infection occurs Potential bleeding, ranging from small clots to significant blood loss Types of Ulcers Acute Ulcers : Heal within 12 weeks (3 months). Chronic Ulcers : Take longer than 12 weeks to heal and show ongoing destruction without significant healing progress. Stages of Ulcer Development Initial Stage :