Does café-au-lait spots mean neurofibromatosis?

Café au lait spots (CALS) are extraordinarily common; six or more lesions (at least 0.5 cm prior to puberty or 1.5 cm post puberty) are considered one of the criteria for diagnosing neurofibromatosis type I (NF1), and are also seen in a variety of other syndromes.

What do café-au-lait spots look like?

Café au lait spots are a type of birthmark characterized by flat patches on the skin. They are light brown in color but can darken with sun exposure. These marks are distinct because they often have irregular edges and vary in color. The size of café au lait spots can also vary.

Can you have café-au-lait spots without neurofibromatosis?

Indeed, anyone can have 1 or 2 cafe-au-lait spots without having neurofibromatosis. The only significance to the cafe-au-lait spot is that it suggests the possibility that a person might have NF1. People with NF1 usually have many cafe-au-lait spots, sometimes hundreds, and almost always more than 6.

Do café-au-lait spots just appear?

I find that six or more café-au-lait spots are usually visible by around 2 years of age, and new spots do not usually appear after that time, though spots tend to tan upon sun exposure, so may become more distinct with time.

What do neurofibromas look like at first?

Neurofibromas look like lumps on or under the skin. They can grow any place where there are nerves — on the face, scalp, chest, as well as inside the body. Neurofibromas often start to show up during puberty. They may keep getting bigger for a while but will eventually stop growing.

What are the symptoms of neurofibromatosis type 1?

Neurofibromatosis 1

• Flat, light brown spots on the skin (cafe au lait spots).
• Freckling in the armpits or groin area.
• Tiny bumps on the iris of the eye (Lisch nodules).
• Soft, pea-sized bumps on or under the skin (neurofibromas).
• Bone deformities.
• Tumor on the optic nerve (optic glioma).
• Learning disabilities.

What diseases cause café-au-lait spots?

Multiple café-au-lait macules are related to several genetic syndromes.

• Neurofibromatosis type 1.
• Neurofibromatosis type 2.
• Legius syndrome.
• McCune Albright syndrome.
• Noonan syndrome with multiple lentigines.
• Watson syndrome.
• Bloom syndrome.
• Silver-Russell syndrome.

How big do café-au-lait spots have to be?

The size of the spots varies, but most are greater than 0.5 cm in babies and children and greater than 1.5 cm in adolescents and adults.

What conditions cause café-au-lait spots?

Café au lait spots can arise from diverse and unrelated causes:

• Ataxia–telangiectasia.
• Basal cell nevus syndrome.
• Benign congenital skin lesion.
• Bloom syndrome.
• Chédiak–Higashi syndrome.
• Congenital melanocytic naevus.
• Fanconi anemia.
• Gaucher disease.

When do symptoms of neurofibromatosis begin?

Neurofibromatosis 1 (NF1) is usually diagnosed during childhood. Signs are often noticeable at birth or shortly afterward and almost always by age 10. Signs and symptoms are often mild to moderate, but can vary in severity.

How do I know if my baby has NF1?

Light brown spots on the skin called café-au-lait spots. These are the most common signs of NF, and they often appear at birth or in the first years of life. They’re harmless, but if your child has more than six, she probably has NF1. Freckles in the armpits or groin area also are signs of NF1.

Do café-au-lait spots get darker?

Café au lait spots are a type of birthmark characterized by flat patches on the skin. They are light brown in color but can darken with sun exposure.