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Showing posts with the label general surgery

dermoids

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A dermoid cyst is a non-cancerous growth that can occur in various parts of the body, including the skin and organs. Dermoid cysts are often lined with skin-like tissue and can contain a variety of different types of tissue, such as hair follicles, sweat glands, and even teeth. They are typically present from birth and tend to grow slowly over time. Here are the key points to understand about dermoid cysts: 1. **Origin and Composition**:    - Dermoid cysts are congenital (present from birth) and are believed to originate from cells that are meant to form the outer layers of the skin during embryonic development.    - These cysts contain a mixture of different types of tissue, including skin, hair, sweat glands, and sometimes fatty tissue, muscle tissue, and teeth. 2. **Appearance**:    - Dermoid cysts are usually firm to the touch and can be moveable under the skin.    - They can vary in size from very small to several centimeters in diameter.    - On the skin's surface

tidy wounds vs untidy wounds and keloids

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"Tidy wounds" and "untidy wounds" are terms used to describe different types of wounds based on their characteristics, appearance, and the nature of tissue damage. These terms are commonly used in medical contexts, especially in surgical and wound care settings. **Tidy Wounds:** - Tidy wounds, also known as clean wounds, are wounds that are typically created under controlled and sterile conditions, such as during surgeries. - They often have well-defined edges, minimal tissue damage, and a reduced risk of contamination by microorganisms. - Tidy wounds are usually made using sharp instruments and result in minimal bleeding. - Examples of tidy wounds include surgical incisions made for procedures like appendectomy or joint replacement. **Untidy Wounds:** - Untidy wounds, also referred to as dirty wounds, are wounds that involve a higher degree of tissue damage and a greater risk of contamination by foreign materials and microorganisms. - These wounds can b

forces acting on bone and fractures they cause

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welcome listen audio: Your browser does not support the audio element. More awesome content here... Different types of forces can act on bones, leading to various types of fractures. Fractures are breaks or cracks in bone tissues that can occur due to excessive forces applied to the bone. The following are some common types of forces and the fractures they may cause: **1. Direct Force (Transverse Fracture):** A direct force is applied directly to the bone, causing a transverse fracture, where the bone breaks straight across its axis. This type of fracture often occurs due to a blunt impact or a heavy blow to a specific bone area. **2. Indirect Force (Oblique Fracture):** An indirect force is applied at a distance from the bone, leading to an oblique fracture. In this type of fracture, the bone breaks diagonally, typically resulting from a twisting or bending force. **3. Compressive Force (Compression Frac