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Displaying 1 - 11 of 11 results

Pénfigo

https://www.niams.nih.gov/health-topics/pemphigus

¿Qué es el pénfigo? El pénfigo es una enfermedad poco frecuente que causa ampollas en muchas partes del cuerpo, incluida la piel y el interior de la boca, la nariz, la garganta, los ojos y los genitales. En el pénfigo, el sistema inmunitario ataca por error las células de la capa superior de la piel.

Alopecia areata

https://www.niams.nih.gov/health-topics/alopecia-areata

¿Qué es la alopecia areata? La alopecia areata es una enfermedad que provoca la caída del pelo. En la alopecia areata, el sistema inmunitario ataca los folículos pilosos (las estructuras de la piel que forman el pelo). Por lo general, la alopecia areata afecta la cabeza y la cara, aunque se puede perder el pelo en cualquier parte del cuerpo. En la mayoría de los casos, el pelo se cae en parches pequeños y redondos del tamaño de una moneda estadounidense de 25 centavos. En algunos casos, la caída del pelo es más extensa.

Osteonecrosis

https://www.niams.nih.gov/health-topics/osteonecrosis

¿Qué es la osteonecrosis? Los huesos están formados por células vivas que necesitan un suministro de sangre para mantenerse saludables. En la osteonecrosis, se reduce el flujo de la sangre a una parte de un hueso. Esto podría causar la muerte del tejido óseo y, finalmente, el hueso podría romperse y se podría colapsar la articulación. La osteonecrosis puede afectar a cualquier hueso, pero la mayoría de las veces se desarrolla en los extremos de los huesos largos, como: hueso superior de la pierna (fémur), hueso superior del brazo (húmero). Con menos frecuencia se ven afectados los huesos de los

Vitíligo

https://www.niams.nih.gov/health-topics/vitiligo

¿Qué es el vitíligo? El vitíligo es un trastorno crónico (de larga duración) que hace que algunas áreas de la piel pierdan su color natural. Cuando se atacan y se destruyen las células que producen la pigmentación o color de la piel, esta adquiere un aspecto blanco lechoso. Nadie sabe qué causa el vitíligo, pero puede ser una enfermedad autoinmunitaria. En las personas con enfermedades autoinmunitarias, las células inmunitarias atacan por error los tejidos sanos del cuerpo, en lugar de atacar los virus o las bacterias. A veces, una persona con vitíligo puede tener familiares que también tienen la enfermedad

Acne

https://www.niams.nih.gov/health-topics/acne

What is acne? Acne is a common skin condition that happens when hair follicles under the skin become clogged. Oil and dead skin cells plug the pores, and outbreaks of lesions (often called pimples or zits) can happen. Most often, the outbreaks occur on the face but can also appear on the back, chest, and shoulders. For most people, acne tends to go away by the time they reach their thirties, but some people in their forties and fifties continue to have this skin problem.

Alopecia Areata

https://www.niams.nih.gov/health-topics/alopecia-areata

What is alopecia areata? Alopecia areata is a disease that causes hair loss. In alopecia areata, the immune system attacks the structures in skin that form hair (hair follicles). Alopecia areata usually affects the head and face, though hair can be lost from any part of the body. Hair typically falls out in small, round patches about the size of a quarter. In some cases, hair loss is more extensive.

Osteonecrosis

https://www.niams.nih.gov/health-topics/osteonecrosis

What is osteonecrosis? Your bones are made up of living cells that need a blood supply to stay healthy. In osteonecrosis, blood flow to part of a bone is reduced. This causes death of bone tissue, and the bone can eventually break down and the joint will collapse. Osteonecrosis can happen to any bone, but most often it develops in the ends of long bones, such as the: Thigh bone. Upper arm bone. Less often, the bones of the elbows, ankles, feet, wrists, and hands are affected. When the disease involves part of a bone in a joint, it can

Spinal Stenosis

https://www.niams.nih.gov/health-topics/spinal-stenosis

What is spinal stenosis? Spinal stenosis happens when the spaces in the spine narrow and create pressure on the spinal cord and nerve roots. The spinal cord is a bundle of nerves that comes out of the base of the brain and runs down the center of the spine. The nerve roots branch out from the cord. In spinal stenosis, the narrowing usually occurs over time.

Pemphigus

https://www.niams.nih.gov/health-topics/pemphigus

What is pemphigus? Pemphigus is a rare disease that causes blistering on many parts of the body, including the skin and the inside of the mouth, nose, throat, eyes, and genitals. In pemphigus, the immune system mistakenly attacks cells in the top layer of the skin.

Vitiligo

https://www.niams.nih.gov/health-topics/vitiligo

What is vitiligo? Vitiligo is a chronic (long-lasting) disorder that causes areas of skin to lose color. When skin cells that make color are attacked and destroyed, the skin turns a milky-white color. No one knows what causes vitiligo, but it may be an autoimmune disease. In people with autoimmune diseases, the immune cells attack the body’s own healthy tissues by mistake, instead of viruses or bacteria. A person with vitiligo sometimes may have family members who also have the disease. There is no cure for vitiligo, but treatment may help skin tone appear more even.

Scleroderma

https://www.niams.nih.gov/health-topics/scleroderma

What is scleroderma? Scleroderma is an autoimmune connective tissue and rheumatic disease that causes inflammation in the skin and other areas of the body. This inflammation leads to patches of tight, hard skin. Scleroderma involves many systems in your body. A connective tissue disease is one that affects tissues such as skin, tendons, and cartilage. There are two major types of scleroderma: Localized scleroderma only affects the skin and the structures directly under the skin. Systemic scleroderma, also called systemic sclerosis, affects many systems in the body. This is the more serious type of scleroderma and can damage your blood