Invasive lobular carcinoma is a type of breast cancer that begins in the milk-producing lobules of the breast and spreads into surrounding breast tissue. It is the second most common form of invasive breast cancer after invasive ductal carcinoma. Invasive lobular carcinoma often grows in a diffuse pattern, making it harder to detect on physical examination or imaging in its …

Intussusception is a serious condition in which one part of the intestine slides into an adjacent part, much like the sections of a telescope. This leads to intestinal blockage, swelling, and reduced blood supply to the affected area. Intussusception most commonly occurs in infants and young children, but it can also affect adults. Prompt diagnosis and treatment are essential to …

Intracranial venous malformations are abnormal formations of veins within the brain that develop during fetal growth. These malformations are usually congenital and are often discovered incidentally during brain imaging for other conditions. In many cases, they do not cause symptoms and remain stable throughout life. However, certain types may be associated with neurological symptoms or complications depending on their size, …

Intestinal ischemia is a serious medical condition that occurs when blood flow to part of the intestines is reduced or blocked. This decrease in blood supply limits oxygen delivery to intestinal tissues, leading to inflammation, injury, and tissue death if not treated promptly. Intestinal ischemia can affect the small intestine, large intestine, or both and may develop suddenly (acute) or …

Intermittent explosive disorder (IED) is a mental health condition characterized by recurrent, sudden episodes of impulsive and aggressive behavior that are disproportionate to the situation. These outbursts may involve verbal aggression, physical violence, or destruction of property. The episodes are typically brief but can cause significant distress, relationship problems, and legal or occupational consequences. Symptoms Repeated episodes of sudden anger …

Metabolic syndrome is a group of interrelated health conditions that occur together and significantly increase the risk of heart disease, stroke, and type 2 diabetes. It is diagnosed when a person has a combination of factors such as increased waist circumference, high blood pressure, elevated blood sugar levels, and abnormal cholesterol or triglyceride levels. Metabolic syndrome is closely linked to …

Insomnia is a common sleep disorder characterized by difficulty falling asleep, staying asleep, or waking up too early and being unable to return to sleep. It can be short-term (acute) or long-term (chronic) and often affects daily functioning, mood, and overall health. Insomnia may occur on its own or be associated with medical, psychological, or lifestyle factors. Symptoms Difficulty falling …

Ingrown toenails occur when the edge or corner of a toenail grows into the surrounding skin instead of over it. This condition most commonly affects the big toe and can cause pain, swelling, and infection if left untreated. Ingrown toenails can affect people of all ages and are often related to improper nail trimming or pressure on the toes. Symptoms …

An ingrown hair occurs when a hair curls back or grows sideways into the skin instead of rising up from it. This commonly happens after shaving, waxing, or other hair removal methods and is most often seen in areas such as the face, neck, armpits, legs, and groin. Ingrown hairs are usually harmless but can cause discomfort, inflammation, and cosmetic …

Pericarditis is an inflammation of the pericardium, the thin, two-layered sac that surrounds the heart. The pericardium protects the heart and helps it function smoothly as it beats. When this sac becomes inflamed, it can cause chest pain and other symptoms that may resemble those of a heart attack. Pericarditis can occur suddenly and last for a short period, which …