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Scaling Scalp

Scaling Scalp

About

Scaling Scalp

There are many reasons for a scaling scalp including underlying medical conditions like psoriasis, or fungal infections. In older patients who have lost some of their natural sun protection (hair), precancerous lesions can feel scaly in the scalp as well.

Causes

Plaque psoriasis can cause scaling patches of skin in the scalp, just as it causes these patches on the elbows and knees. The skin in the scalp will be inflamed with thick, silvery scale that causes it to itch and occasionally be tender.

Fungal infections on the scalp, or tinea capitis (commonly known as ring worm) is most frequently found in children. Risk factors include humid climates and contact with pets.

Seborrheic Dermatitis is a very common rash affecting the scalp from a hypersensitivity reaction to yeast. This is the most common cause of dandruff.

Pre-cancers (actinic keratoses) from significant sun exposure,can lead to scaly patches on the scalp. Pre-cancers (actinic keratoses) typically present as scaling lesions that do not go away on their own and need to be evaluated.

Irritant contact dermatitis from fragrances and preservatives in personal care products can cause irritation of the scalp leading to redness and scaling.

Symptoms

Scaling of the scalp can be minimal with light scaling throughout the scalp and only mild associated itching, or more severe, with thick and greasy scale that coats the hairs. In the case of fungal infections, the lymph nodes in the neck can become inflamed and be felt through the skin, sometimes with tenderness on palpation. Rarely, scaling scalp can be associated with hair loss.

Diagnosis

Because scaling scalp is a common problem, most dermatologist can make a diagnosis after evaluating the scale and the skin on the scalp. If there is more than one likely explanation for the scaling, testing can be done to determine the diagnosis, including a swab of the scale for a fungal culture, or a biopsy (sample) of the skin for microscopic evaluation by a pathologist.

Treatment

Treatment

Treatment will be based on the underlying cause of the scaling. When there is significant inflammation associated with the scaling, topical steroids can be used. There are several forms of topical treatments, like oils, ointments or shampoos that can be used to easily reach the scalp through the hair. Anti-fungal therapy may be necessary in some cases- either topically as a shampoo, or in the case of tinea capitis (ring worm), with an oral anti-fungal medication prescribed as the fungus is inside the hair shaft and will not be treated with topicals alone. If the scaling is attributed to pre-cancers and sun exposure, there are many options including topical chemotherapy creams, cryotherapy (freezing), or photodynamic therapy (PDT, or blue light).

What We Do

Procedures

  • Scalp biopsies and fungal cultures (when necessary for diagnosis)
  • Excimer laser treatments for scalp psoriasis
  • Cryotherapy and Photodynamic therapy for treatment of pre-cancers
Download the Post-Excision Wound Care Instructions or Wound Care Instructions after Biopsy and ED&C

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