Acne is a common skin condition characterized by the appearance of pimples, blackheads, whiteheads, and sometimes cysts or nodules on the face, neck, chest, back, and shoulders. It occurs when hair follicles become clogged with oil and dead skin cells, leading to inflammation and sometimes infection.
Abrasion arthroplasty of the hip is a minimally-invasive surgical procedure that involves removing damaged cartilage from the hip joint and smoothing the joint surfaces to promote the growth of new, healthy cartilage. This procedure aims to improves joint function and mobility while alleviating discomfort associated with hip arthritis or other degenerative conditions.
Abrasion arthroplasty of the knee is a minimally-invasive surgical procedure that involves removing damaged cartilage from the knee joint surface to promote the growth of new, healthy cartilage. This procedure is typically performed to treat knee pain and improve joint function in patients with cartilage defects or early-stage arthritis.
An absence seizure, also known as a petit mal seizure, is a type of epilepsy characterized by brief, sudden lapses in consciousness. During an absence seizure, the individual may appear to be staring blankly into space and may not respond to external stimuli. These seizures typically last for a few seconds and are often not
Anophthalmia, also known as absent eye, is a rare birth defect in which one or both eyes are missing or have not developed properly during fetal development. This can result in a complete absence of ocular tissue or the presence of only residual eye tissue.
Absolute uterine factor infertility is a type of female infertility that occurs because a woman does not have a uterus or no longer has a functioning uterus. The condition can be genetic or acquired, such as following a hysterectomy. The condition makes it impossible for a woman to conceive and carry a pregnancy to term.
Acanthosis nigricans is a skin condition characterized by dark, thickened, and velvety patches, commonly found in the folds and creases of skin around the neck, armpits, and groin. It is often associated with insulin resistance, obesity, or hormonal disorders.
Accelerated partial breast irradiation (APBI) is a targeted radiation therapy technique used to treat early-stage breast cancer. It delivers a higher dose of radiation to the tumor site over a shorter period than traditional therapy, reducing treatment time and minimizing radiation exposure to surrounding healthy tissue.
Accessory navicular bone is an extra bone or piece of cartilage located on the inner side of the foot, just above the arch. It is present from birth and is not a cause for concern unless it becomes painful or causes discomfort.
An accommodating intraocular lens (IOL) is a type of artificial lens implant used to replace the natural lens of the eye during cataract surgery or to correct refractive errors. This advanced lens technology allows the eye to focus on objects at various distances, providing improved vision and reducing the need for glasses or contact lenses.