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PubMed2002

Inhibited power motivation and persuasive communication: a lens model analysis.

The authors tested the hypothesis that after motive arousal, individuals with an inhibited power motive (IPM) would excel at a persuasive task and explored the behavioral strategies IPM individuals use to that purpose. Sixty-eight participants presented their point of view on a controversial subject to another person. Power motivation and inhibition were both assessed by a picture-story test. Prior to their presentation, half of the participants imaginatively explored the ensuing task. The other half was assigned to a no-imagery control condition. Lens model analysis of videotaped presentations revealed that IPM participants in the imagery condition were judged to be the most persuasive of all participants. This interactive effect of power motivation, inhibition, and imagery condition was accounted for by three behavioral cues: verbal fluency, gesturing, and eyebrow lifts. No comparable effects emerged among no-imagery participants.

Adult↗
PubMed2004

Sunlight exposure and (sero)prevalence of epidermodysplasia verruciformis-associated human papillomavirus.

Ultraviolet radiation (UVR) is associated with an increased risk of squamous cell carcinoma (SCC), which is in part due to immunomodulation. In addition, human papilloma virus (HPV), especially the epidermodysplasia verruciformis (EV)-associated types, may be involved. In view of the capacity of UVR to impair host resistance to infections, we investigated the relationship between solar exposure and the prevalence of cutaneous HPV. In a case-control study on skin cancer (320 controls and 156 patients) a lifetime-retrospective questionnaire on sun exposure was administered. The presence of DNA of HPV types 5, 8, 15, 20, 24, and 38 in plucked eyebrow hair and type-specific seroreactivity were assessed and analyzed in relation to estimated exposure. Sunburn episodes in the past, especially at age 13-20 y, appeared to be associated with an enhanced risk of EV-HPV DNA positivity. In contrast, a higher lifetime sun exposure was associated with a lower risk of HPV infection. These results indicate that UVR at erythematogenic doses increases the risk of EV-HPV infection, possibly due to impaired host resistance to HPV and/or a direct effect of UVR on viral replication. The favorable association between lifetime sun exposure and HPV prevalence, however, underscores the enigmatic role of HPV in skin carcinogenesis.

Aged↗
PubMed2005

A novel locus of ectodermal dysplasia maps to chromosome 10q24.32-q25.1.

Ectodermal dysplasia (ED) represents a heterogeneous group of genetic disorders characterized by the absence or deformity in two or more of the ectodermal appendages. We have studied an autosomal recessive form of ED in 13 individuals over six generations from an inbred Pakistani family. The clinical features of the affected individuals include highly dystrophic nails and thin hair on scalp, fine eyebrows and eyelashes, and thin body hair. Genome-wide linkage analysis of 390 microsatellite markers mapped the ED gene to the 3.92 cM interval flanked by markers D10S1710 and D10S1741 on chromosome 10q24.32-q25.1. Multipoint linkage analysis generated a maximum logarithm of odds ratio score of 4.79 in the interval D10S1239-D10S1264, which corresponds to 6.35 Mb.

Chromosomes, Human, Pair 10↗
PubMed2006

Contact allergy to para-phenylenediamine in a permanent eyelash dye.

We present the case of a 30-year-old atopic lady with a known history of intolerance to several materials, including dark stockings, who developed a severe dermatitis on the eyelids and peri-orbital regions, as well as a conjunctivitis after having her eyelashes tinted by a beautician with a permanent black eyelash and eyebrow dye (Combinal, Dr Temt Laboratories, Austria). Patch tests revealed positive reactions to para-phenylenediamine (PPD), both diluted 0.01% and 1% in pet., to the eyelash dye (tested semiopen as is) and to some of the azo-dyes tested. The permanent eyelash dye did contain PPD, the use of which is illegal but seems to be a common practice. The patient had most probably been sensitized through nylon stockings containing azo-dyes, with PPD itself cross-reacting to them. With the growth in popularity of tattooing and permanent make-up, doctors should be aware of the new uses of this old allergen. Moreover, although many manufacturers have made great efforts to improve cosmetics concerning their safety, some of them remain uninformed about cosmetic legislation or do not respect it at all. Because many of these products are acquired via internet, lack of legislation about this shopping modality is also a serious problem.

Adult↗
PubMed2006

Relationships between changes in mechanical properties of the skin, wrinkling, and destruction of dermal collagen fiber bundles caused by photoaging.

BACKGROUND/PURPOSE: Long-term exposure to ultraviolet (UV) radiation induces various cutaneous changes that differ from those because of physiological aging, including structural destruction of dermal collagen fiber bundles (DCFBs), which comprise the major component of the dermis. Wrinkling, a representative change in skin surface associated with photoaging, is often seen at the corners of the eyes and in the space between the eyebrows. These are locations where the skin contracts repeatedly and routinely. Lowered resiliency to skin contraction induced by marked structural changes in DCFBs may represent one cause of photo-induced wrinkles. Using animal models of photoaging, changes in mechanical properties of the skin caused by UV irradiation were measured, and relationships between UV-induced changes were analyzed. METHODS: Animal models of photoaging were prepared by irradiating hairless mice with UVB light. Dorsal skin surface replicas of animals were taken using silicon rubber, and volume of wrinkles was calculated using an image analyzer. Stress of the skin against horizontal contraction was measured using a new device called the Resiliometer. Three-dimensional organization of dermal collagen structures in skin samples collected from the back of each animal was observed under scanning electron microscopy, and compactness of DCFBs was assessed from electron micrography. RESULTS: With time and therefore increasing UV dose, deep wrinkles formed on the backs of mice. Volume of wrinkles peaked at 8 weeks. All parameters obtained from Resiliometer measurements were increased by irradiation. DCFB structure was degraded in a radiation dose-dependent manner. DCFB grading was significantly correlated with each Resiliometer parameter. Significant correlations were also observed between each Resiliometer parameter and volume of wrinkles. CONCLUSION: Stress of the skin against horizontal contraction obtained using the Resiliometer changes following UV irradiation, correlating with photo-induced wrinkling and destruction of DCFBs. These results support the hypothesis that changed force of restitution to skin contraction induced by marked structural changes in DCFBs represents one cause of photo-induced wrinkles. The resiliometric parameter may offer a good indicator for monitoring the condition of DCFB structure, as changes in these would induce failure in restitution to skin contraction, leading to wrinkling.

Animals↗
PubMed1991

A case of erythromelanosis follicularis faciei with a unique distribution.

A 16-year-old Japanese boy with erythromelanosis follicularis faciei (EFF) with an unusual distribution is described. The clinical features of classic EFF consist of reddish-brown discoloration of the skin with fine follicular hyperkeratosis in the preauricular areas, and occasionally on the temples and the lateral aspects of the neck. The present case is unique in that similar lesions also occurred on the auricles and eyebrows. Both light and electron microscopic findings of the lesions were consistent with the diagnosis of EFF.

Adolescent↗
PubMed1996

Multiple basaloid cell hamartoma with alopecia and autoimmune disease (systemic lupus erythematosus).

We report a 22-year-old Japanese woman with multiple basaloid cell hamartoma with alopecia and autoimmune disease (systemic lupus erythematosus). She presented with infiltrated large annular, brown-violet, erythematous plaques with atrophic areas in the center on her right cheek, left abdomen and left knee. She also had progressive multiple follicular keratotic papules on her scalp, face, neck, and both axilla and hair loss from her scalp, eyebrow, and axilla. Serologically, rheumatoid factor (+ + +), rheumatoid arthritis hemagglutination test (x1280), and anti-nuclear antigen (x160) were positive. Histological findings of the annular lesion showed liquefaction degeneration of basal cells, lymphocytic infiltration around hair follicles and capillaries, and panniculitis with lymphoid cell infiltration, which was diagnosed as lupus erythematosus profundus. The histological findings of multiple follicular papular lesions of the scalp and neck showed aggregations of basaloid cells, partially with hair-bulb-like structures, which was diagnosed as trichoepithelioma. Taken together, the histogenesis of multiple basaloid cell hamartoma is thought to share the same basis with autoimmune disease.

Adult↗
PubMed2001

Marie Unna hypotrichosis in an Asian family.

We report on two patients from one family with Marie Unna hypotrichosis who showed a diffuse hair defect which typically occurs as an isolated phenomenon. The ultrastructural hair findings consisted of longitudinal grooving of the hair shafts and a flattening in cross-section. Characteristically, scalp hair had been lost from the scalp margins and a high frontal and nuchal hairline had been present at birth. Eyelashes were absent, and eyebrows, axillary, and pubic hair were very sparse. Other affected cases have been reported in Caucasian families; however, this is the first case in the English medical literature of a family from Asia affected by Marie Unna hypotrichosis.

Adult↗
PubMed2004

Two cases of desmoplastic trichoepithelioma.

Desmoplastic trichoepithelioma is a rare tumor that usually exhibits the distinct clinical features of a solitary granuloma annulare-like growth on the face. We experienced two cases of desmoplastic trichoepithelioma, one of which showed unusual clinical features and the other of which was a typical case. The first case was a 20-year-old female who presented with a five year history of a solitary yellowish nodule, 5 mm in diameter, centrally between the eyebrows. There was no central dimple or elevated border. The other case was a 40-year-old female who presented with a ten year history of a solitary nodule, 6 mm in diameter on her left cheek. The latter lesion had a typical depressed area in the center of the nodule with elevated borders and could be clinically diagnosed as desmoplastic trichoepithelioma. The histopathological examination revealed that both of them were desmoplastic trichoepithelioma. Histopathological comparison of the two specimens suggested that the clinical dimple in the center of the first tumor might be the result of stromal dystrophic changes induced by the tumor.

Adult↗
PubMed2005

Cardio-facio-cutaneous syndrome: two cases in the same generation.

A 4-year-old Japanese boy, the youngest of three brothers, presented with ichthyosiform hyperkeratosis over his whole body, eczematous erythema with partial desquamation and erosion on the flexor side of the joints of extremities, the fossa axillaries, and the genital and buttock regions, and total hair loss on the scalp and the absence of eyebrows and eyelashes. In addition to the ichthyotic eruptions and hair abnormalities, he also had a ventricular septal defect, mental retardation, growth retardation, characteristic facial features such as a depressed nasal bridge, low-set ears, and ocular hypertelorism; therefore, he was diagnosed with cardio-facio-cutaneous (CFC) syndrome. The patient's family did not have a history of consanguineous marriage. The parents and the eldest son were healthy. However, the second son, also born with ichthyosiform hyperkeratosis over his whole body, total hair loss on the scalp, myocardial deficiency, mental retardation, growth retardation, and characteristic facial features, had died of pneumonia and sepsis at the age of 1.5 years. Because the middle brother had the same disease, the present case is considered to be a rare case of CFC syndrome with in a single generation.

Alopecia↗
PubMed2006

Non-anogenital (ectopic) hidradenoma papilliferum with sebaceous differentiation: a case report and review of reported cases.

Hidradenoma papilliferum is a benign tumor that usually occurs in the female anogenital region. We present a 52-year-old male with a non-anogenital (ectopic) hidradenoma papilliferum on his face. He had had a subcutaneous tumor on his right eyebrow for 30 years. The histological findings included variously shaped cystic and tubular structures in the tumor. The lumina were surrounded by a double layer of cells and showed active decapitation secretion. The lesion contained sebaceous differentiation, which has not been previously documented in the histopathology of hidradenoma papilliferum. We review the published work of non-anogenital (ectopic) hidradenoma papilliferum tumors on the head and neck.

Adenoma, Sweat Gland↗
PubMed1989

Allergic and irritant contact dermatitis compared in the treatment of alopecia totalis and universalis. A comparison of the value of topical diphencyprone and tretinoin gel.

Diphencyprone is a potent topical sensitizer, but is non-mutagenic in the Ames test (unlike dinitroclorobenzene) and remains relatively stable in solution (unlike squaric acid dibutyl ester). Seventeen patients with total loss of scalp hair (eight alopecia totalis, nine alopecia universalis) were treated by maintaining on one side of the scalp an allergic contact dermatitis induced by 2,3 diphenylcyclopropenone-I ('diphencyprone'), and on the other side an irritant contact dermatitis using tretinoin gel (Retin A). After 20 weeks, treatment with tretinoin was stopped and diphencyprone was applied bilaterally for a further 10 weeks. Satisfactory regrowth of terminal hair on the scalp was achieved in only one patient. Eyebrow, eyelash and beard regrowth was achieved in one individual whilst in another, moderate, but not cosmetically satisfactory, scalp regrowth took place. In no patient did regrowth take place at tretinoin treated sites until after diphencyprone was substituted.

Administration, Topical↗
PubMed1994

Natural history of keratosis pilaris.

A questionnaire was sent to 83 patients in the south Buckinghamshire area, in whom a primary diagnosis of keratosis pilaris (KP) had been made within the preceding 20 years. Of the 50 questionnaires returned, one was invalid, and 49 were evaluated. The age range of patients surveyed was 18 months-25 years; 61% were female and 39% male. Age of onset of KP was within the first decade in 51%, second decade in 35%, third decade in 12%, and fourth decade in 2%. Body sites affected were the arms (92%), legs (59%), face (41%), buttocks (30%) and eyebrows (8%). Other family members were affected by KP in 39%; 55% had no family history of KP, and 6% did not know. There was a personal history of atopy in 37%, 16% had associated dry skin, and 47% had neither. A seasonal variation in the severity of KP was noted in 80% of patients; 49% of these improved in the summer and 47% worsened in the winter. Overall, KP had improved with age in 35% of patients, remained unchanged in 43%, and worsened in 22%. The mean age of improvement was 16 years.

Adolescent↗
PubMed1995

Familial acanthosis nigricans with madarosis.

We report familial acanthosis nigricans affecting a 35-year-old woman, her 7-year-old son and 5-year-old daughter. Absence of the eyebrows and eyelashes was noted in this family. The mother had no axillary hair and her pubic hair was sparse. The boy also suffered from congenital heart disease and a congenital cataract in the left eye. The combination of acanthosis nigricans and ectodermal defects in this family may represent a distinct nosological entity.

Acanthosis Nigricans↗
PubMedDate not supplied

Ichthyosis congenital fetalis (Harlequin fetus).

A male fetus which was the product of full-term pregnancy and normal delivery with no family history is presented. The skin was hard and thick, waxy, yellowish in color, and was crossed by horizontal and or perpendicular red fissures. The eyelids were semiclosed, hard, and stiff resulting in ectropion and the conjunctivae were red. The eyelashes and the eyebrows were absent. The nose appeared to be flattened while the nostrils were partly stenosed. The mouth was round and the mucosa was red everted giving a fish-like appearance to the mouth (Fig. 1). There were no ears and they had been replaced by intensive hyperkeratosis with deep fissures, resembling ear lobes without auditory canal, where there was an hyperkeratotic plug (Fig. 2). The inelasticity of the hard and thick skin limited the physiologic movements of the upper and lower extremities and immobilized the interphalangial articular movements. The fetus was treated with corticosteroid ointment but succumbed within the first twenty four hours.

Diagnosis, Differential↗
PubMed1993

Tinea capitis in Saudi Arabia.

BACKGROUND: Tinea capitis is a dermatophyte infection of the scalp, eyebrows, and eyelashes caused by species of Microsporum and Trichophyton. The purpose of this study was to discover the incidence and causal agents of tinea capitis in Saudi Arabia. METHODS: Hair roots, skin scrapings, and pus swabs were collected from patients clinically diagnosed with tinea capitis and were processed for fungus. RESULTS: Of 372 patients with tinea capitis investigated in Saudi Arabia, 240 were found to be positive by direct microscopic examination, and the causal agent was isolated from 237 patients. Tinea capitis accounted for 47.7% of all superficial mycoses, and 97% of it occurred in children below 15 years of age. Inflammatory lesions were found in 35% of cases, and 10 of them presented with kerion celsi. Favus-type lesion was found in one. Microsporum canis was the most common etiologic agent, responsible for 82.3% of the infections. Trichophyton violaceum was the next most common agent (13.9%), followed by M. audouini (2.2%); T. mentagrophytes, T. rubrum, T. verrucosum, and T. simii were isolated from one patient each. This is the first report of T. simii infection in a Saudi man. CONCLUSIONS: Although none of the patients owned pets, the predominance of M. canis may be explained by the large number of cats in the neighborhood. The disappearance of favus due to T. schoenleinii may be due to improved socioeconomic conditions. Our results agreed with two previous reports.

Adolescent↗
PubMed2006

Oral and facial piercings: a case series and review of the literature.

INTRODUCTION: Piercing is popular among young people, who view this practice as a sign of marginality, beauty, or group identity. This study is performed on healthy individuals with oral and facial piercings. MATERIALS AND METHODS: Seventy oral and facial piercings were evaluated (17 in the tongue, 13 in the lower lip, 18 in the nostril, 7 in the eyebrow, and 15 in the ear). A specifically designed protocol was used to assess possible complications (inflammatory reactions, pain, dental alterations). Nonparametric tests were used for the statistical analysis of the results. RESULTS: The general complications recorded comprised pain (60% of cases), inflammatory reactions (34.3%), bleeding (24%), dental fractures or fissures (20%), and gingival damage (26.7%). CONCLUSION: Tongue piercing is associated with pain, inflammatory reactions, and dental problems.

Adolescent↗
PubMed1977

Universal permanent alopecia, psychomotor epilepsy, pyorrhea and mental subnormality.

A syndrome of congenital and permanent universal alopecia, involving absence of scalp hair, eyebrows, eyelashes, axillary and pubic hair, and the rest of the body hair is reported. Mental subnormality was noted in eight and psychomotor epilepsy in seven out of 12 affected individuals. Pyorrhea was observed in all ascertained patients. No abnormality of nails or skin (apart from absence of hair) was noted. The disorder, which affected seven females and five males from six sibships, was transmitted through four generations. Utilizing the simple sib method, a ratio of 6/12 was obtained for affected individuals. The vertical transmission of the disorder, implication of both sexes, male to male transmission, and the 1:1 (affected: unaffected) segregation ratio support autosomal dominant inheritance. Penetrance appears to be complete.

Adult↗