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At least 217 records · Page 12Linked to original sources
PubMed1989

T-cell and plasma cell populations in coeliac small intestinal mucosa in relation to dermatitis herpetiformis.

Differential lymphocyte and plasma cell counts and measurements of mucosal architecture were studied in small intestinal biopsies from 17 controls and 17 patients with untreated uncomplicated coeliac disease of whom five also had dermatitis herpetiformis. Intraepithelial T-cell and plasma cell counts and measurements of mucosal architecture were not significantly different in the two coeliac groups but both groups differed from the controls. Lamina propria T-cell counts were significantly higher in the patients who also had dermatitis herpetiformis than in uncomplicated coeliac disease, with a significant increase in the Leu 2 (CD8) positive (cytotoxic/suppressor) T-cell subset. This suggests a specific abnormality of T-cell control of immune responsiveness in the pathogenesis of the skin manifestations of dermatitis herpetiformis which is not found in uncomplicated coeliac disease.

Adolescent↗
PubMed1986

Dermatitis herpetiformis: consequences of elemental diet.

The administration of an Elemental Diet to 5 patients with dermatitis herpetiformis, requiring high doses of Dapsone (diaminodiphenylsulfone, DDS), showed a rapid and beneficial effect on the skin lesions within two weeks. This effect was not influenced by simultaneous gluten challenge in one patient. A possible explanation is a reduction in the amount of harmful immune complexes due to the elimination of proteins from the diet. Subsequent introduction of a more comprehensive diet led to an increase of the minimal effective dose of Dapsone. These results underline the importance of dietary influences on the skin activity in dermatitis herpetiformis, other than gluten alone.

Dapsone↗
PubMed1990

The incidence of agranulocytosis during treatment of dermatitis herpetiformis with dapsone as reported in Sweden, 1972 through 1988.

During the 17-year period 1972 through 1988, a total of seven cases of agranulocytosis associated with the use of dapsone for the treatment of dermatitis herpetiformis were reported in Sweden. The median age of the patients involved was 61 years; three of them were male. The median duration of dapsone treatment was 7 weeks and the daily prescribed dose was 100 mg. Based on sales and prescription data, the crude relative risk of agranulocytosis during dapsone treatment of dermatitis herpetiformis was 50, and the total risk was one case per 3000 patient years of exposure to dapsone. In relation to the number of new cases of dermatitis herpetiformis, agranulocytosis was estimated to develop in 1 of 240 to 425 patients receiving dapsone therapy. Patients should be instructed to seek medical care immediately in case of fever.

Adult↗
PubMed1991

Dermatitis herpetiformis associated with ulcerative colitis.

Over the past 20-years, it has been shown that the majority of patients with dermatitis herpetiformis (D.H.) suffer from coeliac disease of varying intensity. Dermatitis herpetiformis may also be associated with other autoimmune diseases but only exceptionally with chronic ulcerative colitis (U.C.).

Adult↗
PubMed1984

[Dermatitis herpetiformis Duhring with linear deposits of IgA (linear IgA dermatosis)].

Three patients with linear deposits of IgA along the epidermal basement membrane were studied. The clinical and histopathological picture as well as the response to dapsone were typical of dermatitis herpetiformis. Two of the three patients were HLA-B8/DR3-positive. By immunoelectron microscopy, the previously reported two types of linear IgA deposits were confirmed: in one patient, the IgA precipitates were localized below the basal lamina as in dermatitis herpetiformis, in the other two above the basal lamina in the lamina lucida as in bullous pemphigoid. The immunoelectron microscopic findings imply that in some patients with linear IgA dermatosis a pathomechanism different from that in classical dermatitis herpetiformis may be operative.

Adult↗
PubMed1985

Gastric morphology and function in dermatitis herpetiformis and in coeliac disease.

Gastric acid secretory capacity was evaluated in 116 patients with dermatitis herpetiformis by means of the pentagastrin test. Endoscopic gastric mucosal biopsy specimens were obtained from both the body and the antrum in 90 of them. Forty-eight patients (41%) had a maximal acid output less than 10 mmol/h, and 30 of them (26%) were achlorhydric. The frequency of achlorhydria increased with age, and 27 out of 58 patients (47%) more than 50 years old were achlorhydric. Antrum-sparing chronic atrophic gastritis was present in 92% of the achlorhydric patients, and hypergastrinaemia and serum parietal cell antibodies were found in most of them. The prevalence of chronic gastritis of the body and of the antrum increased with age. There was no correlation between atrophic gastritis or achlorhydria and small-intestinal villous atrophy, the results of the D-xylose test, and blood folate and serum zinc determinations. The transferrin saturation index was lower in patients with achlorhydria. The frequency of achlorhydria was significantly higher in patients with dermatitis herpetiformis than in 69 patients with coeliac disease.

Adolescent↗
PubMed1989

Vitronectin colocalizes with Ig deposits and C9 neoantigen in discoid lupus erythematosus and dermatitis herpetiformis, but not in bullous pemphigoid.

C9 neoantigen immunoreactivity has been found to colocalize with C3 immunoreactivity at the dermal-epidermal junction zone (DEZ) in skin specimens from patients with bullous pemphigoid, lupus erythematosus and dermatitis herpetiformis. The present study was designed to elucidate whether the C9 neoantigen immunoreactivity represents deposition of membrane attack complexes or non-lytic SC5b-9 complexes. Skin specimens from 11 patients with pemphigoid, five patients with discoid lupus erythematosus and from nine patients with dermatitis herpetiformis were studied with immunofluorescence using both monoclonal and polyclonal antibodies against C9 neoantigen and against vitronectin (S-protein), an inhibitor to the membrane attack complex of complement. Specimens from the pemphigoid patients demonstrated C9 neoantigen reactivity along the DEZ without detectable colocalized vitronectin. This suggests deposition of membrane attack complexes in the pemphigoid lesions. Immunoreactivity of both C9 neoantigen and vitronectin was detected in the DEZ in specimens of discoid lupus erythematosus and in the tips of dermal papillae in specimens of dermatitis herpetiformis. The combined presence of C9 neoantigen- and vitronectin immunoreactivity may indicate deposition of C9 as part of the non-lytic SC5b-9 complex. The finding reported here of differential deposition of vitronectin and C9 in different diseases indicates that the presence of C9 neoantigen immunoreactivity in tissue per se does not represent the deposition of membrane attack complexes, but that it may also be C9 deposited as part of the nonlytic SC5b-9 complex.

Autoantigens↗
PubMed1992

The use of cimetidine to reduce dapsone-dependent methaemoglobinaemia in dermatitis herpetiformis patients.

1. We have attempted to reduce dapsone-dependent methaemoglobinaemia formation in six dermatitis herpetiformis patients stabilised on dapsone by the co-administration of cimetidine. 2. In comparison with control, i.e. dapsone alone, methaemoglobinaemia due to dapsone fell by 27.3 +/- 6.7% and 26.6 +/- 5.6% the first and second weeks after commencement of cimetidine administration. The normally cyanotic appearance of the patient on the highest dose of dapsone (350 mg day-1), underwent marked improvement. 3. There was a significant increase in the trough plasma concentration of dapsone (2.8 +/- 0.8 x 10(-5)% dose ml-1) at day 21 in the presence of cimetidine compared with control (day 7, 1.9 +/- 0.6 x 10(-5)% dose ml-1, P less than 0.01). During the period of the study, dapsone-mediated control of the dermatitis herpetiformis in all six patients was unchanged. 4. Trough plasma concentrations of monoacetyl dapsone were significantly increased (P less than 0.05) at day 21 (1.9 +/- 1.0 x 10(-5)% dose ml-1) compared with day 7 (1.6 +/- 0.9 x 10(-5)% dose ml-1:control). 5. Over a 12 h period, 20.6 +/- 8.9% (day 0) of a dose of dapsone was detectable in urine as dapsone hydroxylamine. Significantly less dapsone hydroxylamine was recovered from urine at day 14 (15.0 +/- 8.4) in the presence of cimetidine, compared with day 0 (control: P less than 0.05). 6. The co-administration of cimetidine may be of value in increasing patient tolerance to dapsone, a widely used, effective, but comparatively toxic drug.

Adult↗
PubMed1981

Celiac disease or dermatitis herpetiformis in three patients with porphyria.

Celiac disease was diagnosed in one patient with variegate porphyria, and dermatitis herpetiformis in two patients, one with acute intermittent porphyria and the other with erythropoietic protoporphyria. The probability that celiac disease or dermatitis herpetiformis should occur in three patients with porphyria in Finland is less than 0.2%. Neither a consistent HLA pattern nor any other explanation can be offered for the association between these diseases.

Adult↗
PubMed1997

Absence of toxicity of oats in patients with dermatitis herpetiformis.

BACKGROUND: People with gluten sensitivity should avoid foods containing wheat, rye, and barley, but there has been debate about whether they should avoid oats. Although patients with celiac disease have recently been shown to tolerate oats, less is known about the effects of oats on patients with dermatitis herpetiformis. METHODS: We studied seven men and three women (mean age, 58 years) with biopsy-confirmed dermatitis herpetiformis. They had followed a strict gluten-free diet for a mean of 15.8 years, which controlled their rash and enteropathy. The patients added oats that were not contaminated with gluten to their diets for 12 weeks (mean [+/-SD] daily intake, 62.5+/-10.8 g). RESULTS: None of the patients had any adverse effects. Serologic tests for antigliadin, antireticulin, and antiendomysial antibodies were negative before oats were introduced into the diet and after they were discontinued. Villous architecture remained normal: the mean (+/-SE) ratio of the height of villi to the depth of crypts was 3.59+/-0.11 before the diet and 3.71+/-0.09 afterward (normal, 3 to 5), and the mean enterocyte heights were 31.36+/-0.58 microm and 31.75+/-44 microm, respectively (normal range, 29 to 34). Duodenal intraepithelial lymphocyte counts all remained within normal limits (mean, 13.8+/-1.03 per 100 enterocytes before the diet and 14.2+/-1.2 per 100 enterocytes afterward; normal range, 10 to 30). Dermal IgA showed no significant changes. CONCLUSIONS: Patients with dermatitis herpetiformis can include moderate amounts of oats in their gluten-free diets without deleterious effects to the skin or intestine.

Adult↗
PubMed1977

Papular dermatitis herpetiformis. Report of a case with localized, facial lesions.

A male patient with unusual clinical features of dermatitis herpetiformis is reported. The eruption consisting mainly of erythematous papules developed symmetrically around the mouth and later around the eyes, and has been circumscribed within these areas for 4 years. The dermatitis herpetiformis nature of the lesion was confirmed by direct immunofluorescent testing.

Adult↗
PubMed1986

Different HLA associated gene combinations contribute to susceptibility for coeliac disease and dermatitis herpetiformis.

Forty two white patients of British or Irish descent with coeliac disease and 28 with dermatitis herpetiformis were typed for class I HLA-A, B, and C, and class II DR and DQ antigens. In coeliac disease there was a significant increase in the frequencies of A1, B8, DR3, DR7, and DQw2 compared with controls but no increase of DR2. In dermatitis herpetiformis there were similarly increased frequencies of A1, B8, DR3, and DQw2. In contrast with coeliac disease, however, the frequency of DR7 (18%) was no different from the control group but there was an increased frequency of DR2.

Adolescent↗
PubMed1975

Juvenile dermatitis herpetiformis versus "benign chronic bullous dermatosis of childhood." Are these immunologic diseases?

Seven cases of juvenile dermatitis herpetiformis have been investigated. Immunofluorescence and histologic studies were made in all and jejunal biopsies in three. Immunopathologic results were positive in all cases including one that had previously been reported to be negative. Two groups could be distinguished according to clinical and histologic criteria, response to sulfapyridine, and character of the immunoglobulin deposits. The first corresponded to dermatitis herpetiformis (DH) of adults, with characteristic lesions of the jejunal mucosa; the second corresponded either to bullous pemphigoid (BP), although in the majority of the cases without circulating antibasement-membrane antibodies, or to a mixed type with the combined features of DH and BP. Repeated biopsies with serial sections are essential for demonstrating immune deposits. The question arises whether any immunologically negative cases of "benign chronic bullous dermatosis of childhood" actually exist.

Adult↗
PubMed1993

Dermatitis herpetiformis and primary sclerosing cholangitis.

A patient with dermatitis herpetiformis (DH) developed abnormal liver function tests and was found to have histological features of primary sclerosing cholangitis (PSC) on liver biopsy. The association of DH and PSC has not been previously reported and the high incidence of phenotype HLA B8 and DR3 in these disorders suggests a common genetic predisposition may exist for both diseases.

Bile Ducts↗
PubMed1997

Risk factors for ischaemic heart disease in patients with dermatitis herpetiformis.

For reasons that are unclear, patients with dermatitis herpetiformis (DH) have a lower than expected mortality rate from ischaemic heart disease. We have compared risk factors for ischaemic heart disease (lipids, fibrinogen levels, smoking history and social class) in 29 DH patients and 57 controls matched for age and sex. Patients with DH had significantly lower cholesterol, triglycerides, apolipoprotein B and fibrinogen and higher HDL2; they also smoked less and were of higher social class. The mechanisms underlying these observations merit further investigation. Intestinal abnormalities or gluten-free diet may account for differences in lipid fractions, and the immunomodulatory properties of cigarette smoke may protect against the development of DH.

Aged↗
PubMed1983

Zinc absorption in celiac disease and dermatitis herpetiformis: a test of small intestinal function.

The increments in plasma zinc concentrations after an oral dose of elemental zinc (50 mg) as the sulphate were used to assess the intestinal absorption of the metal in 11 patients with dermatitis herpetiformis (DH) before starting a gluten-free diet, 12 patients with newly diagnosed celiac disease (CD), 10 patients known to have CD, and 15 healthy volunteers. The areas under the plasma zinc increment curve plotted against time were determined for 3 (AUC3) and 6 (AUC6) h. The AUC3 in healthy volunteers was 401 +/- 48 mumol 1(-1) 3 h (mean +/- SD); it was reduced in newly diagnosed CD 187 +/- 76 mumol 1(-1) 3 h (p less than 0.001), and in dermatitis herpetiformis 206 +/- 87 mumol 1(-1) 3 h (p less than 0.01); but it was normal in the known CD 396 +/- 204 mumol 1(-1) 3 h, the wide variation reflecting the variable compliance with a previously instituted gluten-free diet. The AUC6 was similarly affected, healthy volunteers 700 +/- 111 mumol 1(-1) 6 h, new CD 380 +/- 169 mumol 1(-1) 6 h (p less than 0.01); dermatitis herpetiformis 471 +/- 107 mumol 1(-1) 6 h (p less than 0.01); known CD 725 +/- 380 mumol 1(-1) 6 h. The AUC3 was more consistently abnormal than conventional tests of small intestinal function. In a prospective study the AUC3 and AUC6 improved and reflected compliance with a gluten-free diet.

Adolescent↗