Tag: immune system

Small Lymphocytic Lymphoma

Small Lymphocytic Lymphoma: Definition and Description of Small Lymphocytic Lymphoma: Small Lymphocytic Lymphoma (SLL) is a type of cancer that primarily affects the lymphatic system, specifically the lymph nodes. It is classified as a form of non-Hodgkin lymphoma and is characterized by the proliferation of small, mature lymphocytes. These cells can invade lymphatic tissues and…
Scalded Skin Syndrome

Scalded Skin Syndrome: Definition and Description of Scalded Skin Syndrome: Scalded Skin Syndrome, also known as Staphylococcal Scalded Skin Syndrome (SSSS), is a severe skin condition primarily affecting infants and young children. It is caused by certain strains of *Staphylococcus aureus* that produce exfoliative toxins, leading to widespread skin peeling and redness. This syndrome is…
Purpura, Idiopathic Thrombocytopenic

Purpura, Idiopathic Thrombocytopenic: Definition and Description of Purpura, Idiopathic Thrombocytopenic: Purpura, Idiopathic Thrombocytopenic (ITP) is a blood disorder characterized by an unusually low level of platelets, which are essential for normal blood clotting. In ITP, the immune system mistakenly produces antibodies that target and destroy platelets in the bloodstream. The condition can lead to easy…
Purulent Arthritis

Purulent Arthritis: Definition and Description of Purulent Arthritis: Purulent arthritis, also known as infectious arthritis, is a medical condition characterized by the inflammation of a joint resulting from a bacterial or fungal infection. This condition is marked by the presence of pus within the joint space, often leading to severe pain, swelling, and restricted movement.…
Opportunistic Infections

Opportunistic Infections: Definition and Description of Opportunistic Infections: Opportunistic infections are infections that occur more frequently and are more severe in individuals with weakened immune systems compared to those with healthy immune responses. These infections are caused by pathogens that usually do not cause disease in people with intact immune defenses but can thrive and…
Noninfectious Uveitis

Noninfectious Uveitis: Definition and Description of Noninfectious Uveitis: Noninfectious uveitis is an inflammatory condition that affects the uvea, the middle layer of the eye, which comprises the iris, ciliary body, and choroid. Unlike infectious uveitis, which has identifiable pathogens such as bacteria or viruses, noninfectious uveitis is primarily caused by autoimmune diseases, inflammatory disorders, or…
MRSA

MRSA: Definition and Description of MRSA: MRSA, or Methicillin-resistant Staphylococcus aureus, is a type of bacteria that is resistant to several antibiotics, including methicillin, penicillin, and amoxicillin. It is a strain of Staphylococcus aureus, commonly found on the skin and in the noses of healthy individuals. While these bacteria are often harmless, MRSA can lead…
Molluscum Contagiosum

Molluscum Contagiosum: Definition and Description of Molluscum Contagiosum: Molluscum Contagiosum is a viral infection of the skin caused by the molluscum contagiosum virus (MCV), a member of the poxvirus family. It is characterized by small, raised, firm, and painless bumps that appear on the skin, typically ranging from 2 to 5 millimeters in size. These…
Lymph Node Cancer

Lymph Node Cancer Definition and Description of Lymph Node Cancer Lymph Node Cancer, also known as lymphatic cancer or lymphoma, is a type of cancer that originates in the lymphatic system, which is a crucial part of the body’s immune system. This system includes lymph nodes, lymph vessels, and other organs, such as the spleen…
Lymphoma, Non-Hodgkin’s

Lymphoma, Non-Hodgkin’s Definition and Description of Lymphoma, Non-Hodgkin’s Lymphoma, Non-Hodgkin’s (NHL) is a type of cancer that originates in the lymphatic system, which is part of the body’s immune system. It includes a diverse group of blood cancers that vary in their aggressiveness and responsiveness to treatment. Non-Hodgkin’s lymphoma is characterized by the uncontrolled growth…