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At least 469 records · Page 26Linked to original sources
PubMed1998

Cutis verticis gyrata: its computed tomographic demonstration in acromegaly.

A retrospective review of the 17 cases of acromegaly, recorded in the hospital and with available CT scans was undertaken in order to determine the presence and of cutis verticis gyrata (CVG) frequency, and the spectrum of other associated radiographic appearances of CVG. The hormone levels were analysed, and the histopathology of the surgical specimens reviewed. Five cases were uncovered. In these, the scalp in CVG was markedly thickened with convoluted, gyriform or cog-wheel appearances. There was no correlation in the age, sex, duration of symptoms or the hormone levels in these two groups of acromegalics: with or without CVG. All cases were histologically pituitary adenoma. It is concluded that CVG is not uncommon in acromegaly. Its presence on a CT scan should caution the radiologist to the presence of pituitary adenoma or any of the other neurological causes of CVG.

Acromegaly↗
PubMed2003

Hair and scalp disorders in ethnic populations.

Treating scalp and hair disorders is challenging because of the emotional nature of hair loss and because of unknown pathogenesis. Treating African American patients can add an extra layer of complexity to this treatment if the dermatologist is not familiar with hair care practices. Only the dermatologist who strives to understand hair care practices, the common disease entities of the hair and scalp in African Americans, and the disturbance in quality of life from alopecia will effectively approach treatment in these patients.

Adolescent↗
PubMedDate not supplied

Diagnostic dilemmas in pediatric/adolescent dermatology: scaly scalp.

Scaly scalp is a common problem in the pediatric and adolescent population. The possible causes range from the commonly seen tinea capitis and seborrheic dermatitis to rare systemic diseases such as dermatomyositis and Letterer-Siwe disease. In all cases a thorough history and physical examination are important first steps to successful diagnosis and treatment.

Adolescent↗
PubMed1998

Has psoriasis its own characteristic trichogram?

The aim of this study was to determine if there were characteristic trichogram changes in scalp psoriasis in patients without clinically evident effluvium or alopecia. A total of 45 patients (17 men and 28 women, aged from 15 to 73 years) with clinically and histologically confirmed psoriasis vulgaris with scalp involvement were included. The control group consisted of 60 volunteers (23 males and 37 females aged from 15 to 74 years) with no scalp involvement. Our results from the psoriatic group showed highly increased proportions of dysplastic hair roots. Median proportion was 50% with 95% confidence interval (CI) for median 30-60%, whereas telogen hair ratio was slightly increased-median proportion was 16% with 95% CI for median 15-20%. Within the psoriasis patients' group no statistically significant correlations were found between the proportion of dysplastic hairs and the patients' age, sex, and the intensity and duration of disease. According to the results of this study, the dysplastic hairs in scalp psoriasis are statistically significant much more frequently compared with the control group. Thus, the increased proportion of dysplastic hairs in scalp psoriasis without effluvium or alopecia might be its characteristic trichogram sign.

Adolescent↗
PubMed2002

[Acute organophosphate intoxication after using a anti-lice insecticide shampoo].

CASE REPORT: Two children were admitted for poisoning by organophosphate pesticides applied as hair rinses against lice. These chemical agents inhibit the acetylcholinesterase enzyme at various sites. The resultant accumulation of the transmitter acetylcholine causes abnormal signs and symptoms. The diagnosis is based on a reduction in the blood cholinesterase activity. The specific treatment comprises the administration of atropine and pralidoxime. CONCLUSION: Accidental poisoning by organophosphate insecticides may occur, due to the misuse of such substances as shampoo against lice. An accurate information for users is necessary.

Abdominal Pain↗
PubMed1999

Allergic contact dermatitis caused by dialkyl thioureas in a patient with sleep apnea.

Allergic contact dermatitis of the scalp is relatively uncommon. This is a case report of a patient with chronic scalp dermatitis in the distribution of his continuous positive airway pressure (CPAP) mask neoprene rubber strap. Our objective was to identify any relevant contact allergens. Patch testing to the North American Contact Dermatitis Group (NACDG) Standard Allergens, a series of supplemental rubber allergens, and a sample of the neoprene from the patient's mask strap was performed. Relevant allergies to dialkyl thioureas, and the neoprene rubber portion of the CPAP mask strap were identified. Replacement with a cloth strap resulted in clearing of the dermatitis.

Dermatitis, Allergic Contact↗
PubMed1999

The evaluation of cutaneous, genital, scalp, nail, esophageal, and ocular involvement in patients with oral lichen planus.

OBJECTIVE: Lichen planus, in its classical presentation, involves the oral cavity and skin. This study evaluated patients with oral lichen planus for extraoral manifestations of the disease. STUDY DESIGN: A total of 584 patients with oral lichen planus were evaluated for cutaneous, genital, scalp, nail, esophageal, and ocular lichen planus. RESULTS: Extraoral manifestations included cutaneous lichen planus in 93 patients, genital lichen planus in 19% of 399 examined women and 4.6% of 174 examined men, nail involvement in 11 patients, lichen planopilaris in 6 patients, esophageal lichen planus in 6 patients, and conjunctival lichen planus in 1 patient. Thirty-three patients developed lichen planus in 3 or more sites. CONCLUSIONS: Because a relatively high percentage of patients with oral lichen planus develop extraoral manifestations, a thorough evaluation should routinely be performed. A complete history and physical examination by a multidisciplinary group of health care providers uncovers common and uncommon extraoral features of the disease.

Adult↗
PubMed1996

The potential effectiveness of essential oils as a treatment for headlice, Pediculus humanus capitis.

Essential oils of aniseed, cinnamon leaf, red thyme, tea tree, peppermint, nutmeg, rosemary, and pine were tested in vitro against lice, Pediculus humanus. All the oils except for rosemary and pine were found to be effective in the laboratory when applied in an alcoholic solution and followed by a rinse the following morning in an essential oil/vinegar/water mixture. Peppermint and nutmeg were only used as a blend rather than as individual oils. Problems of solubility and toxicity are discussed, as are possible mechanisms of action. Phenols, phenolic ethers, ketones, and oxides (1,8-cineole) appear to be the major toxic components of these essential oils when used on lice. Aldehydes and sesquiterpenes may also play a role.

Humans↗
PubMed2003

[Scalp myiasis in an immigrant child].

Myiasis is caused by infestation of the skin by the larvae of flies. This entity has specific epidemiological characteristics. Although it is highly unusual in our environment, imported cases can be found because of increased traveling and immigration. The usual clinical manifestations are subcutaneous abscesses, where the larvae develop. Differential diagnosis includes common disorders such as cellulitis and furunculosis, but knowledge of this entity makes diagnosis and treatment simple. We describe the life cycle of the human botfly and the typical clinical presentation and management of this entity. We also highlight the increasing importance of greater awareness of imported diseases.

Child↗
PubMed1994

Two cases of lateral sinus thrombosis presenting with extracranial head and neck abscesses.

Two cases of lateral sinus thrombosis in fit adults with no previous otological history are presented. One case occurred in association with Bezold's abscess and followed mastoiditis which was masked by previous antibiotic treatment. The other case occurred in association with an occipitoparietal scalp abscess and there was no obvious preceding middle ear infection. The causative bacteria were Streptococcus milleri and a variant Streptococcus intermedius. Lateral sinus thrombosis is discussed.

Abscess↗