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Biomedical subjects

M Rytter

Publications and source records attributed to M Rytter.

At least 19 recordsLinked to original sources
PubMed2005

[Neurosyphilis and neuroborreliosis. Retrospective evaluation of 22 cases].

We present laboratory data from 22 patients suspected of having neurosyphilis. In two cases the suspicion could not be confirmed, and in 20 cases neurosyphilis was detected. The sera from 17 patients were also assayed for Borrelia-specific antibodies. Suspicious immunoglobulin G antibody indices were detected in nine cases and a suspicious immunoglobulin M antibody index in one. In six of these, stored CSF/serum pairs were available to specify the antibodies by immunoblotting. This allowed for the identification of one patient apparently infected by both Borrelia spp. and Treponema pallidum. In all cases of newly suspected neurosyphilis, we recommend considering neuroborreliosis at the same time.

Adult↗
PubMed2002

[ANCA-positive vasculitis of the skin and kidneys associated with acne conglobata].

A 19 year old man with severe acne conglobata and ulcerated pyoderma gangraenosum-like skin lesions on the face was first treated with isotretinoin (Roaccutan((R))), then immunosuppressively with prednisolone, diaminodiphenylsulfone (Dapson-Fatol((R))) and mycophenolate mofetil (Cellcept((R))). Under a daily maintenance dose of immunosuppressive treatment with 2.5 mg prednisolone and 1 g mycophenolate mofetil, weakness, muscle and joint aches appeared. Due to proteinuria, haematuria and an elevated antineutrophil cytoplasmic antibody (cANCA) and the histological detection of a leukocytoclastic vasculitis, the diagnosis of cANCA positive vasculitis of the skin and kidneys was established. Therapy with cyclophosphamide (Endoxan((R))) along with prednisolone was effective. An exact classification of this disease process was not possible.

Acne Vulgaris↗
PubMed2002

[Multiple lentigines (LEOPARD) syndrome. Case reports and review of the literature].

The rarely occurring multiple lentigines (LEOPARD) syndrome represents a complex of skin, heart, skeleton and other malformations and is described in a 36-year-old male and his 9-year-old daughter. With the occurrence of multiple lentigines, the diagnostic search for further malformations should always be undertaken. Its differential diagnosis and its pathogenetic and clinical aspects are discussed in this paper.

Adult↗
PubMed2001

Juvenile papular-purpuric gloves and socks syndrome.

Papular-purpuric gloves and socks syndrome (PPGSS) occurs mainly in young adults, but it should also be considered in the differential diagnosis of childhood exanthems. The case presented here is the youngest patient hitherto reported with PPGSS and supports the concept of a viral genesis.

Child, Preschool↗
PubMed2000

Methotrexate in psoriasis: 26 years' experience with low-dose long-term treatment.

OBJECTIVE: To evaluate the efficacy, safety and side-effects of methotrexate (MTX) in psoriasis. DESIGN: A 26-year retrospective study. SETTING: Department of Dermatology, Leipzig University, Leipzig, Germany. PATIENTS: One hundred and fifty-seven patients with extensive plaque psoriasis, erythrodermic, pustular and arthropathic forms, were treated with low-dose methotrexate (15-20 mg maximum weekly dosage [Weinstein schedule]), the majority for long-term periods. The mean cumulative dose was 3394 mg, the mean duration 237 weeks. RESULTS: The effect of MTX treatment was good in 76%, moderate in 18% and poor in 6% of subjects; 61% experienced side-effects, most frequently due to liver function abnormalities, bone marrow suppression, nausea, gastric complaints and hair loss. In 20% of cases the subjects were forced to discontinue therapy; 9% refused therapy due to physical and psychological discomfort, 2% wanted to become pregnant, 16% were lost to follow-up, 6% died from multimorbidity and old age. Three subjects (2%) developed cancer of the lung, breast or cervix uteri, possibly in relation to long-term MTX treatment. Altogether there were no deaths or life-threatening side-effects attributable to MTX treatment, and no cases of progressive liver cirrhosis apart from two extensive skin necroses due to overdosage (misunderstanding, suicidal attempt) that were treated successfully with citrovorum factor. CONCLUSION: Low-dose MTX (<15-20 mg/week) is an effective therapy for extensive and severe forms of psoriasis if patients are selected carefully and monitored regularly, particularly with respect to liver and bone marrow toxicity. This helps to reduce severe side-effects even during long-term treatment. Drug interactions must be avoided. MTX therapy according to the guidelines is relatively safe and still has a place in the systemic treatment of psoriasis with 40 years of experience and an acceptable safety record.

Drug Administration Schedule↗
PubMed1993

Induction of type IV hypersensitivity to contact allergens in guinea pigs by in vitro haptenized allogenic peritoneal exudate cells.

The induction of type IV hypersensitivity to contact allergens in guinea pigs has been studied by using allogenic peritoneal exudate cells (> 90% macrophages), which had been incubated primarily in vitro with dinitrochlorobenzene, formaldehyde, potassium dichromate, nickel II sulphate or para-aminobenzoic acid. In these guinea pig sensitization experiments Freund's complete adjuvant was used. In all haptens investigated the sensitization rates of the presented method were parallel to the known contact allergenicity in humans and, apart from the potassium dichromate results, comparable with those of the guinea pig maximization test. Because of its alternative immunization procedure, in which only few or no allergen molecules escape the effective presentation pathway, the authors conclude that this method could be developed into a predictive test assay for the evaluation of the contact allergenicity of water-soluble substances.

Allergens↗
PubMed1990

[The effect of monochromatic and polychromatic UV irradiation and of 8-MOP on phagocytosis of neutrophilic granulocytes].

We investigated the inhibition of granulocyte phagocytosis by 8-MOP and monochromatic or polychromatic UV light. After application of 8-MOP and UV there was an additional inactivation compared with UV alone, as expected from studies on other cell species. This additional inhibition of phagocytosis was found to be increasing with 8-MOP level. The action spectra of granulocyte inactivation by 8-MOP and UV involves the investigated UVB range (until 300 nm). A marked inactivation of granulocytes was seen after erythemogenic fluences only. Therefore we assume that inactivation of granulocytes by direct UV action does not play an essential role in UV therapy in vivo.

Cells, Cultured↗
PubMed1989

[Allergic reactions of the immediate and delayed type following prednisolone medication].

Allergic sensitization due to corticosteroids seldom occur and are compound-specific, as a rule. They induce various clinical features, in particular urticaria, different exanthematous reactions and contact dermatitis as shown by our observations in 10 patients with prednisolone-allergy. In three cases a simultaneous allergy due to methylprednisolone was found. Impairment of the features or alterations in the clinical morphology after the application of prednisolone suggest the diagnosis, which can be confirmed by means of the scratch and epicutaneous testing and in one patient by the oral exposure, additionally. In addition a delayed-type sensitization to propylene glycol could be proved in three cases, and the same was with romulgin and parabens in one case each. Dexamethasone was used and tolerated as alternative and emergency medication in equivalent doses.

Administration, Oral↗