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At least 1,171 records · Page 65Linked to original sources
PubMed2003

Photoageing shows histological features of chronic skin inflammation without clinical and molecular abnormalities.

BACKGROUND: Photodamage is characterized by degradation of collagen and accumulation of abnormal elastin in the superficial dermis. Mast cells and macrophages, which are found in higher numbers in photoaged skin, have been implicated in this process. OBJECTIVES: To analyse the phenotype of haematopoietic-derived infiltrating cells in photodamaged skin. METHODS: Chronically sun-exposed (preauricular) and control sun-protected (postauricular) skin was recovered from eight healthy subjects undergoing cosmetic surgery (facial lifting). RESULTS: Histological analysis showed that sun-exposed skin harboured more infiltrating mononuclear cells than sun-protected skin. Cellular infiltrates were found at the periphery of areas of elastolysis around hair follicles in sun-exposed sites, whereas they were found in the interfollicular dermis around blood vessels and around hair follicles in sun-protected samples. Immunohistochemical analysis revealed an increased number of mast cells, macrophages and CD4+ CD45RO+ T cells in sun-exposed dermis as well as a higher number of CD1a+ dendritic cells in sun-exposed epidermis, compared with the sun-protected samples. Thus photoageing displays histological features of chronic skin inflammation. However, no molecular sign of inflammation was observed and we even found a decreased expression of interleukin-1beta mRNA in sun-exposed compared with sun-protected sites. Furthermore, the patients' skin looked normal and did not display any clinical inflammation. CONCLUSIONS: Collectively, these data show that chronic ultraviolet irradiation induces alterations of innate immune cells which are recruited in sun-exposed skin without being activated.

Aged↗
PubMed2003

New treatment modalities for granuloma faciale.

Granuloma faciale (GF) is a rare, chronic skin disorder in which numerous treatment modalities have been used without any consistent long-term effect. We report three cases of GF, two of which were successfully treated with the Laserscope potassium-titanyl-phosphate 532-nm laser within 2 weeks and one with topical tacrolimus ointment 0.1%. Our observations suggest that these new treatment modalities for GF, which we report here for the first time, can provide effective and non-invasive treatment for this disease.

Aged↗
PubMed2003

Randomized, placebo-controlled, double blind study on the clinical efficacy of a cream containing 5% alpha-lipoic acid related to photoageing of facial skin.

BACKGROUND: alpha-lipoic acid (LA) or the reduced form dihydrolipoate (DHLA) is a potent scavenger with anti-inflammatory properties. Previous uncontrolled studies with topical treatment with 5% LA-containing creams indicate a beneficial effect on photoageing skin. OBJECTIVE: The purpose of this study was to investigate whether a cream containing 5% LA showed any advantages concerning a number of the criteria associated with ageing of the facial skin, compared with an identical cream lacking LA. MATERIAL AND METHODS: Thirty-three women, mean age 54.4 years, were included in this controlled study. After randomization half the face was treated twice daily for 12 weeks with the LA cream and the other half with the control cream. The following methods of assessment were used: self-evaluation by the test subjects, clinical evaluation, photographic evaluation and laser profilometry. Profilometry was performed before the start of treatment and at the end. RESULTS: All four methods of assessment showed a statistically significant improvement on the LA-treated half of the face. Laser profilometry, the most objective method used, showed an average decrease in skin roughness of 50.8% (44.9-54.0) on the LA-treated side, compared with 40.7% (32.4-48.7) on the placebo-treated half of the face P < 0.001 (Wilcoxon matched pairs test). CONCLUSIONS: It is indicated that 12 weeks of treatment with a cream containing 5% LA improves clinical characteristics related to photoageing of facial skin.

Administration, Cutaneous↗
PubMed2003

The concomitant occurrence of multiple epidermal cysts, osteomas and thyroid gland nodules is not diagnostic for Gardner syndrome in the absence of intestinal polyposis: a clinical and genetic report.

Gardner syndrome, a phenotypic variant of familial adenomatous polyposis, is characterized by the classical clinical triad of skin and soft tissue tumours, osteomas and intestinal polyposis, but disease patterns with pairs of these findings have also been reported. Different mutations in the adenomatous polyposis coli (APC) gene have been shown to be associated with Gardner syndrome disease phenotypes. A 36-year-old patient presented with multiple epidermal cysts on the face, left ear lobe and neck, and the possible diagnosis of Gardner syndrome was based on the additional findings of two classical osteomas in the left radius and ulna and a cold non-malignant nodule of the thyroid gland. Intestinal polyposis was lacking at the time of examination. Major deletions but not microdeletions were excluded by a cytogenetic analysis with 650 chromosomal bands per haploid set. Systematic sequencing of the entire coding region of the APC gene (> 8500 bp) of the patient and five healthy controls was also performed. As a results, new APC gene polymorphisms were identified in exons 13 [A545A (A/G)] and 15 [G1678G (A/G), S1756S (G/T), P1960P (A/G)]. We also detected D1822V (A/T) which has recently been reported to be potentially related to colorectal carcinoma, and genotyped 194 randomly chosen healthy individuals from the Glasgow area for this as well as for the above variants in exons 13 and 15. Interestingly, of the 194 controls, 112 carried the DD (57.7%), 71 the DV (36.6%), and the remaining 11 (5.7%), including our patient, the VV genotype. It is therefore unlikely that APC D1822V serves as an important marker for colorectal carcinoma. In conclusion, we failed to identify obvious germline candidate mutations in > 8500 bp of the coding region of the APC gene in a patient with multiple epidermal cysts, osteomas and a thyroid gland nodule; major chromosomal deletions were excluded. Therefore, we assume that only the presence of intestinal polyposis is a marker for Gardner syndrome.

Adult↗
PubMed1997

Kaposi's varicelliform eruption in a patient with mycosis fungoides.

A 39-year-old Japanese woman suffering from plaque stage of mycosis fungoides (MF) developed Kaposi's varicelliform eruption (KVE) on her face. KVE appeared 1 month after commencing skin electron beam irradiation (SEBI), when the total irradiation had reached 46 Gy. Natural killer (NK) cell activity in the peripheral blood was abnormally low, but returned to normal after 1 year. However, lymphocyte reactivity to mitogens was persistently low. These facts suggested that the KVE in our patient developed because of abnormally low NK cell reactivity probably induced by radiation therapy.

Adult↗
PubMed1998

A case of hydroa vacciniforme with unusual ear mutilation.

A 22 year-old man visited our department with a 18-year-history of recurrent vesicular eruption on his skin when exposed to the sun. History revealed that the skin lesions developed as vesicles at first, then over the next several days, they formed crusts and healed with scarring. We were able to induce skin lesions by a repetitive UV-A provocation test. By the clinical and histologic features of the induced lesions, the case was diagnosed as hydroa vacciniforme (HV). However, no vesicular lesions were found on physical examination. Instead, in addition to varioliform scarring, we found various unusual clinical manifestations: burn-like lesions and crusts, flexion contracture of the digitum, and ear lobe mutilation. The ear lobe mutilation, which had not been reported previously in HV, was especially interesting.

Adult↗
PubMed1998

Hydroa vacciniforme presenting in an adult successfully treated with cyclosporin A.

Hydroa vacciniforme (HV) is a rare photodermatosis first described by Bazin in the mid-nineteenth century. It typically presents in childhood and resolves during adolescence. Rarely, however, symptoms may persist into adult life.2,3 We now describe a patient with this condition presenting unusually for the first time at the age of 58 years and responding to treatment with cyclosporin A.

Cyclosporine↗
PubMed1998

A case of atrophoderma vermiculatum responding to isotretinoin.

Atrophoderma vermiculatum (AV) is a rare disorder leading to reticular or honeycomb scarring of the face and responding poorly to treatment. A case is now presented of the successful induction of remission in the inflammatory component of the disease following a prolonged course of isotretinoin; improvement was then maintained after cessation of the treatment. In severe cases of AV with significant scarring, a trial of isotretinoin therapy is thus worthwhile in an attempt to stop progression of the disease and improve its cosmetic appearance.

Child↗
PubMed1999

The red face-an overview and delineation of the MARSH syndrome.

The problem of the red face in females is reviewed. After excluding common causes such as contact dermatitis, seborrhoeic eczema and photodermatitis the diseases affecting the remaining patients fall into three groups: marked erythema with no feeling of heat or sensitivity, usually erythromelanosis faciei; marked flushing and burning with intense sensitivity for which the term facial erythrodysaesthesia is proposed; the so-called MARSH syndrome in which an overlap of androgen-dominant symptoms occurs - melasma, acne, rosacea, seborrhoeic eczema, and hirsutism. The latter group may respond best to low dose oral isotretinoin.

Erythema↗
PubMed1999

Head and neck dermatitis: the role of Malassezia furfur, topical steroid use and environmental factors in its causation.

The aetiology of head and neck dermatitis (HND), one subgroup of postpubertal atopic dermatitis (AD), is still unclear. The aim of this study was to evaluate the influence on HND of common environmental factors, long-term topical steroid use, and the role of Malassezia furfur infection. Relevant information was obtained from 100 patients with HND attending our dermatology clinic by means of both physical examinations and questionnaires. Corticosteroid-induced vasoconstriction was estimated by visual scoring of laser-Doppler flowmetry. and the following immunological studies were performed: skin prick test, measurement of total IgE, eosinophil cationic protein, and specific IgE antibodies to several fungal antigens including those of M. furfur. The questionnaire revealed that sweating (81%), heat (71%), dryness (70%), psychic stress (67%), and sun exposure (50%) were responsible for aggravation of skin lesions. The vascular response to topical steroid was reduced in HND patients as compared with that of normal healthy controls (P < 0.05). Fifty-four of 80 patients with HND (68%) had anti M. furfur-specific IgE antibodies and 36 of 80 patients (45%) showed positive skin prick tests for M. furfur. The clinical severity and serum total IgE of HND patients were higher in patients with positive response to anti-M. furfur-specific IgE antibodies than in patients with negative response (P < 0.05). These results suggest that HND can be aggravated not only by M. furfur but also by environmental factors such as sweating, heat, dryness, psychic stress and sun exposure. Furthermore, long-term use of topical steroid might be associated with the development of diffuse erythematous lesions with telangiectasia on the head and neck areas.

Administration, Topical↗
PubMed1999

Dermatological adverse effects with the antimalarial drug mefloquine: a review of 74 published case reports.

Mefloquine is a relatively new antimalarial drug which has been associated with a wide variety of adverse effects, including skin reactions. In order to evaluate the range and frequency of mefloquine's dermatological effects, we searched the scientific literature for published case reports of such effects. We found 74 case reports, published between the years 1983 and 1997. Pruritus and maculopapular rash are the dermatological effects most commonly associated with mefloquine: their approximate frequency is 4-10% for pruritus, and up to 30% for nonspecific maculopapular rash. Adverse effects associated less commonly with mefloquine include urticaria, facial lesions and cutaneous vasculitis. One case of Stevens-Johnson syndrome and one fatal case of toxic epidermal necrolysis occurred. Appropriate primary studies of mefloquine use should be carried out to elucidate the epidemiology and aetiology of dermatological and other adverse effects of the drug.

Adult↗
PubMed2000

Facial cutaneous tuberculosis: an unusual presentation.

Periocular cutaneous tuberculosis is a rare occurrence. We describe a 75-year-old Caucasian woman with tuberculosis of the left periocular region which responded completely to standard antituberculosis therapy. We hypothesize this unusual presentation may be due to minor trauma followed by inoculation.

Aged↗
PubMed2000

Juvenile colloid milium associated with ligneous conjunctivitis: report of a case and review of the literature.

Juvenile colloid milium is an extremely rare skin condition with an onset prior to puberty; it can be distinguished histologically from the adult form. We report a case of juvenile colloid milium associated with ligneous conjunctivitis and gingival deposits of an amyloid-like homogenous eosinophilic material. We hypothesize that all three of these are the same pathological process occurring at different sites and review the literature on these associations.

Adolescent↗