Which department should café-au-lait spots be referred to?
Feb 19, 2022
Source: Cainiu Health
Dr. Liu Wan
Introduction
Which medical specialty should treat café-au-lait spots? Café-au-lait spots should be evaluated by a dermatologist. These are hyperpigmented macules that commonly appear on the limbs, face, neck, and trunk. They typically emerge shortly after birth or within the first few months of life. As the patient ages, the number and size of the spots gradually increase. The lesions are scattered, well-demarcated, and variable in both number and size.
Café-au-lait spots (CALMs) are a type of pigmented lesion and represent a skin condition that can significantly impair facial appearance. Once they appear, the skin appears incomplete and flawed. So, which medical specialty should one consult for café-au-lait spots? Let’s explore this further below.
Which Department Should You Visit for Café-au-Lait Spots?
You should consult a dermatologist. Café-au-lait spots are hyperpigmented macules that commonly occur on the limbs, face, neck, and trunk. They typically appear shortly after birth or within the first few months of life. As the individual ages, the number and size of these spots gradually increase. Lesions are scattered, well-demarcated, and variable in both number and size.
Most individuals with café-au-lait spots are otherwise healthy; however, a small proportion may have an associated systemic disorder—most notably neurofibromatosis type 1 (NF1). In particular, the presence of six or more café-au-lait spots, each with a maximum diameter exceeding 1.5 cm, warrants evaluation for possible neurofibromatosis. Generally, café-au-lait spots require no treatment. However, when located on the face and causing cosmetic concerns, laser therapy may be considered.
What Causes Café-au-Lait Spots?
1. Genetic Factors
Most dermatologists consider café-au-lait spots to be a hereditary dermatosis unrelated to sun exposure. They may occur in isolation or serve as a cutaneous marker of multisystem disorders, including neurofibromatosis type 1, Albright hereditary osteodystrophy (Albright syndrome), Watson syndrome, Russell-Silver syndrome, multiple lentigines syndrome, and ataxia-telangiectasia.
2. Increased Melanocytes
Histopathologically, café-au-lait spots typically involve the epidermis, with increased numbers of melanocytes in the basal layer and enhanced melanin synthesis. Affected lesions show a marked increase in melanocytes, and abnormally enlarged melanosomes can be observed within both keratinocytes and melanocytes—a feature beyond voluntary control.
We hope the above information is helpful to you.
