Public condition directory
Browse public condition summaries from China medical resources by stable specialty category.
Cutis laxa
Skin laxity is a manifestation of skin aging. As people age, subcutaneous collagen decreases, and subcutaneous fat and even bones atrophy and diminish. Due to the effects of gravity, the skin develops sagging and wrinkles. There are many methods to improve skin laxity, including radiofrequency aesthetics, thread lifts, autologous fat grafting, hyaluronic acid injections, and facelifts.
View detailsNasal trauma
Nasal trauma refers to injuries to the nose caused by external forces, often occurring during play, sports, accidents, fights, and falls. It typically results in symptoms such as nosebleeds, pain, swelling, and bruising.
View detailsMicrotia
Microtia, also known as congenital microtia or congenital external and middle ear malformation, refers to the incomplete development and growth of auricular tissue during the embryonic period, resulting in auricular malformation at birth. It manifests as a small auricle, auricular deformity, or absence of the auricle, and may be accompanied by hearing loss.
Congenital preauricular fistula
Congenital preauricular fistula refers to a small hole located above the ear and at the junction with the face. Most cases are unilateral, but some are bilateral. It is a congenital ear developmental anomaly primarily caused by genetic factors. Normally, there are no symptoms, only a small depression on the skin near the external ear. When squeezed, a small amount of white or yellow discharge may exude. After infection, symptoms such as redness, swelling, pain, and abscess formation may occur.
View detailsLymphatic vessel diseases
A public condition summary is being prepared.
View detailsNevus of eyelid
Eyelid pigmented nevus is a benign congenital tumor with various classifications. Most patients are born with it, while a small number develop it during puberty. Clinically, it presents as a proliferation on the eyelid skin surface, varying in size, color, and morphology.
View detailsElectric shock
Electric shock, commonly known as "electrocution," occurs when a certain amount of current passes through the human body, causing varying degrees of tissue damage, organ dysfunction, or sudden death. It can be classified into three types: electrical injury, electrical burn, and lightning injury. This condition is more common in adolescent males and those working with electricity. It is more prevalent in summer and autumn, with a high incidence from June to September. The incidence in rural areas is significantly higher than in urban areas. Mild cases may only present with painful muscle contractions, fright, pallor, headache, dizziness, and palpitations. Severe cases can lead to loss of consciousness, shock, and cardiopulmonary arrest.
View detailsBirthmark
Birthmarks generally refer to skin surface abnormalities in shape and color that appear at birth or shortly after. They usually grow slowly and do not cause obvious discomfort such as pain or itching. They are mostly caused by vascular malformations or abnormal pigment formation. This condition presents in various forms, commonly seen on the back, sacral region, and buttocks of children, and less frequently on the limbs. It can also appear on the head and face, varying in shape and size. The color depth also varies, appearing yellow, brown, tan, blue, black, white, or red. Common birthmarks include salmon patches, Mongolian spots, café-au-lait spots, nevus of Ota, pigmented nevi (melanocytic nevi), nevus sebaceus, port-wine stains, capillary hemangiomas, and cavernous hemangiomas.
View detailsMasseter hypertrophy
Masseter hypertrophy refers to the excessive growth of the masseter muscle, making it larger and thicker than normal. It is a common cosmetic concern. Isolated masseter hypertrophy is rare; clinically, it is often accompanied by conditions such as mandibular angle hypertrophy. This condition is prevalent in adult populations in East Asia, Northern Ireland, and the North Caucasus region, with a higher incidence in females than males. The main symptom is an overly wide lower face, almost as wide as the cheekbones, and in severe cases, it can even exceed the cheekbones, affecting aesthetics.
View details