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Results for “SCALP DERMATOSES”

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At least 1,333 records · Page 74Linked to original sources
PubMed2004

Repellency of citronella for head lice: double-blind randomized trial of efficacy and safety.

BACKGROUND: Head lice move easily from head to head. The lack of safe, effective repellents leads to reinfestation. OBJECTIVES: To test the efficacy of a slow-release citronella formulation as a repellent against the head louse. METHODS: During 4 months in 2003 a randomized, placebo-controlled double-blind clinical study was conducted in four elementary schools; 103 children were treated with the test formulation and 95 with a placebo. RESULTS: A significant difference was observed during the second examination 2 months later, when 12.0% of the children treated with the test repellent and 50.5% of those treated with placebo were infested with lice. A significant difference was also observed at the third examination 2 months later, when 12.4% of the children treated with the test repellent and 33.7% treated with placebo were infested. Overall, there were significant differences between those treated with the repellent and those treated with the placebo (15.4% and 55.1% respectively, P < 0.0001). Side effects were observed in 4.4% of children who disliked the odor of the formulation, and an additional 1.0% who complained of a slight itching and burning sensation. CONCLUSIONS: Use of an effective repellent could significantly lower the incidence of reinfestations, which would lower expenditure on lice control, including pediculicides, combs and products for nit removal, and the time spent on treatment and removal of the nits.

Adolescent↗
PubMed1979

[Therapeutic aspects of seborrhea oleosa and pityriasis simplex capillitii].

The treatment of seborrhoea oleosa capillitii should aim at inhibiting depletion of the sebaceous glands, lipid synthesis in the sebaceous gland and microbial lipolysis of the triglycerides in the scalp and hair lipids. The use of isopropyl alcohol as a vehicle in a hair tonic reduces sebum depletion. Coal tar and estrogens reduce the lipid synthesis in the sebaceous gland. The lipolysis can be inhibited by various surfactants, isopropyl alcohol, colloidal sulphur, selenium disulphide, Omadine MDS and benzoyl peroxide. In the treatment of pityriasis simplex capillitii (dandruff) one aims at achieving inhibition of mitosis in the epidermis and, if possible, an additional "keratolytic" effect. Inhibition of mitosis could be demonstrated for coal tar, corticosteroids, selenium disulphide, cadmium sulphide, Omadine MDS, Zn Omadine and ichthyol sodium. Colloidal sulphur, salicylic acid, Omadine MDS and various surfactants act "keratolytically".

Adrenal Cortex Hormones↗
PubMed1992

Chemical and traumatic alopecia from thioglycolate in a black woman: a case report with unusual clinical and histologic findings.

We report an unusual case of verrucal alopecia occurring on the vertex scalp of a black woman, which was presumed to be secondary to use of a thioglycolate permanent wave preparation. We describe the clinical and histologic features of this chemical and traumatic alopecia as well as that of frontotemporal chronic traction alopecia resulting from use of sponge rollers. Common hair care practices are a frequent cause of alopecia in black women. Familiarity with these hair practices will aid in the accurate diagnosis, prevention, and proper management of this problem. The evaluation, causes, and differential diagnosis of alopecia in a black woman are discussed.

Adult↗
PubMed2004

Enhanced delivery of an anti-dandruff active in a shampoo vehicle.

Formulating a delivery vehicle to enhance activity can potentially give higher activity or allow for adjustment to a lesser percent of active. A study was conducted in which the anti-dandruff active, Octopirox, INCI Piroctone Olamine [1-Hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2(1H)-pyridinone], was incorporated into a simple shampoo base at two levels as well as in the same base with an added amphiphilic surfactant blend (Biobase SMC) at the lower level. A group of thirty (30) male subjects with moderate to severe dandruff were divided into three groups each of which evaluated one of three products for four weeks. Methods of evaluation included gravimetric determination of actual dandruff flakes, fluorescent staining of suspect yeast populations, blind evaluation by trained clinical personnel and panelist self assessment. The study demonstrated that the Octopirox at 0.2% active delivered in the amphiphile blend was superior to the same level in the simple shampoo base and equivalent in activity to a much higher level (0.5%) in the base only. A proposed mechanism postulates the formation of liposome-like association structures that solubilize and entrap the Octopirox and deposit is substantively to the scalp for enhanced longer lasting activity.

Adult↗
PubMed2004

Head lice.

Explore the source record for details and available documents.

Animals↗
PubMed2005

Localized forms of steatocystoma multiplex: case report and review of the literature.

A 70-year-old man presents with multiple asymptomatic, yellow to skin-colored firm papules scattered on the scalp; the lesions had been present for about 30 years. Histological findings are consistent with the diagnosis of steatocystoma. We review the English-language literature of the published cases of localized forms of steatocystoma multiplex.

Aged↗
PubMed2005

Acne keloidalis in females: case report and review of literature.

Acne keloidalis, also known as folliculitis nuchae, is a form of chronic scarring folliculitis characterized by fibrotic papules and nodules of the nape of the neck and the occiput. It particularly affects men of African descent and is rarely ever seen in women. We here report the clinical findings of two Nigerian women who developed acne keloidalis. This report also reviews the pathogenesis of this disease.

Acne Keloid↗
PubMed2005

Scalp skin lesion in Turner syndrome: more than lymphoedema?

We present a case of a newborn with Turner syndrome (TS) and a scalp skin lesion resembling cutis verticis gyrata (CVG). Several reports on CVG in TS describe the lesions and correlate it with lymphoedema frequently seen in foetuses and infants with Turner syndrome. Histological examination in this case, however, shows a congenital mucinous nevus. Possibly an abnormal amount of proteoglycans in the skin of patients with TS can clarify the occurrence of this type of skin lesion.

Diagnosis, Differential↗
PubMed2005

Recalcitrant scalp folliculitis: a possible role of herpes simplex virus type 2.

We report the case of a 70-year-old man with a 1 year history of relapsing folliculitis of the scalp. Bacteriological, mycological and the Tzanck tests from the lesions were negative. Histopathological study showed suppurative perifollicular flogosis. Virological cultures were negative, while HSV nested polymerase chain reaction (nPCR) assays made on swabs and histological sections from the scalp lesions demonstrated the presence of herpes simplex virus type-2 (HSV-2) in all samples. Skin swabs of healthy areas yielded negative results for HSV-2 infection. The folliculitis showed a marked and quick improvement after therapy with famciclovir suggesting a possible etiologic role of HSV-2 in the scalp folliculitis.

Aged↗