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See detailDermatite actinique chronique severe traitee par ciclosporine: 2 cas
Paquet, Philippe ULg; Pierard, Gérald ULg

in Annales de Dermatologie et de Vénéréologie (2001), 128(1), 42-5

INTRODUCTION: The treatment of the severe forms of photodermatoses often requires potent systemic immunosuppressive drugs. We report two patients suffering from severe photodermatitis successfully treated ... [more ▼]

INTRODUCTION: The treatment of the severe forms of photodermatoses often requires potent systemic immunosuppressive drugs. We report two patients suffering from severe photodermatitis successfully treated with oral cyclosporine. CASES REPORT: A 58-year-old man developed severe pruritic eczematous reactions for several years on light-exposed and light-protected skin following each sun exposure. A 66-year-old man showed similar lesions restricted to the head and neck. The clinical presentation and evolution as well as histologic, immunohistologic, allergologic and photobiologic assessments suggested the diagnosis of actinic reticuloid and persistent light reactivity, respectively. The lesions of both patients did not respond to a high dose regimen of systemic corticosteroids (methylprednisolone 1 mg/kg/day) for several weeks. The severity of cutaneous lesions and pruritus required another potent immunosuppressive treatment. Oral cyclosporine at the maximum daily dose of 4 mg/kg was given for three months. A rapid improvement of the pruritus and skin lesions occurred in the two patients, without significant side-effect. The first patient experienced recurrent lesions after termination of cyclosporine treatment during summer time. The other patient did not develop new skin eruption for 3 years after stopping the initial treatment with cyclosporine. DISCUSSION: Low-dose oral cyclosporine is a quick-acting and well tolerated symptomatic treatment of severe photodermatoses resistant to other systemic immunosuppressive drugs. However, therapeutic results do not consistently exhibit long-standing remanent effect. [less ▲]

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See detailUne dermatite atopique sensible à un antifongique IBE.
Franchimont, Claudine ULg; Pierard, Gérald ULg

in Dermatologie Actualité (2003), 75

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See detailDermatitis in a horse associated with the poultry mite (Dermanyssus gallinae)
Mignon, Bernard ULg; Losson, Bertrand ULg

in Veterinary Dermatology (2008), 19(1), 38-43

This is the first documented case report of dermatitis associated with the poultry mite (Dermanyssus gallinae) in a horse. It occurred in a 16-year-old horse that was in contact with domestic hens ... [more ▼]

This is the first documented case report of dermatitis associated with the poultry mite (Dermanyssus gallinae) in a horse. It occurred in a 16-year-old horse that was in contact with domestic hens. Clinical signs consisted of severe pruritus, with self-induced hair loss mainly on the head. Despite the multiple skin scrapings performed during both day- and nighttime, mites were only isolated from the in-contact poultry and from the horse's environment, and not the horse. The animal was treated using a 2% permethrin solution, sprayed on the entire body once a week for 4 weeks, and by decontamination of the horse's immediate environment. Although eradication of the mites and elimination of further contact between the horse and the poultry were not achievable, recurrence of dermatitis was prevented by regular applications of permethrin on the horse and biannual decontamination of the horse's stable. [less ▲]

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See detail"Dermato-couture": points de suture utiles en chirurgie dermatologique
Jacquemin, Gael; Richert, Bertrand ULg; de LA BRASSINNE, Michel ULg

in Revue Médicale de Liège (2003), 58(2), 88-94

Dermatologists performing skin surgery mostly use the square knot. Other underused or even forgotten suturing techniques may still be helpful in some instances. We shall emphasize some simple techniques ... [more ▼]

Dermatologists performing skin surgery mostly use the square knot. Other underused or even forgotten suturing techniques may still be helpful in some instances. We shall emphasize some simple techniques such as the horizontal mattress suture, the “cross stitch”, the “corner stitch” (half buried mattress suture), the buried dermal suture, the buried vertical mattress suture, the continuous mattress suture and the running intradermal suture. In given circumstances, all of them may improve suturing and promote healing. Technical aspects, advantages and disadvantages of each type of suture will be briefly described. [less ▲]

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See detailDermatologic Manifestations of the LEOPARD Syndrome
CAO, Sandrine ULg; NIKKELS, Arjen ULg

in The Open Dermatology Journal (2013), 7

The LEOPARD syndrome is an exceptional autosomal dominant genetic disease with a missence mutation of the PTPN11 gene in more than 90% of the cases. The principal clinical manifestations include extensive ... [more ▼]

The LEOPARD syndrome is an exceptional autosomal dominant genetic disease with a missence mutation of the PTPN11 gene in more than 90% of the cases. The principal clinical manifestations include extensive lentiginosis, heart conduction abnormalities, hypertrophic obstructive cardiomyopathy, ocular hypertelorism, pulmonary stenosis, genital anomalies, mental retardation, growth retardation and deafness. A woman with a LEOPARD syndrome illustrates the progressive development of melanocytic nevi. In fact, the majority of lentigines are actually melanocytic nevi. Seqential digital demroscopy evidences progressive growth of some melanocytic lesions. The ever-increasing number of melanocytic nevi in the LEOPARD syndrome is a risk factor for melanoma and full body photography and dermoscopy are recommended for follow-up. [less ▲]

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See detailDermatological manifestations of varicella
EL HAYDERI, Lara ULg; NIKKELS, Arjen ULg

in Berhardt, Leon V. (Ed.) Advances in Medicine and Biology (2013)

The Varicella zoster virus (VZV) is responsible for chickenpox and herpes zoster (HZ). VZV displays neuro- and epidermotropism, although other cells lines may be infected. A permissive type of VZV ... [more ▼]

The Varicella zoster virus (VZV) is responsible for chickenpox and herpes zoster (HZ). VZV displays neuro- and epidermotropism, although other cells lines may be infected. A permissive type of VZV infection in the epidermal and/or infundibular keratinocytes forms the majority of the skin lesions. This infections leads to intra-epidermal blistering, clinically characterized by vesicular lesions. During varicella, the haematogenous dissemination of VZV virions infects the dermal endothelial cells, which in their turn infect dermal dendrocytes who transport he virions to the keratinocytes of the basal layer. During HZ, the VZV virions arrive in the keratinocytes after release by the free nerve endings in close contact with the basal keratinocytes. The skin-associated immune system (SALT) furthermore determines the outcome of the virus/host cell relation. The spectrum of the VZV-related skin infections is presented with their pathogenic mechanisms, including lichenoid HZ, granulomatous HZ, verrucous HZ and follicular HZ. It is important to be aware of these manifestations of the VZV, in particular as VZV may present serious morbidity int eh immunocompromised patient. [less ▲]

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See detailDermatologie et Rhumatologie.
Quatresooz, Pascale ULg

Scientific conference (2007)

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See detailLes dermatomycoses de l'estran.
CAUCANAS, Marie ULg; FRANCHIMONT, Claudine ULg; PIERARD, Gérald ULg

in Dermatologie Actualité (2011), 127

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See detailDermatophylose équine: revue à partir d'un cas clinique
Vandenput, Sandrina ULg; Manteca, C.; Jauniaux, Thierry ULg et al

in Annales de Médecine Vétérinaire (1996), 140(2), 125-129

From a clinical case of equine dermatophilosis, a short review of literature is proposed. The aetiology, causal factors, symptoms and lesions are brievely reviewed. Therapeutics and prophylaxis are ... [more ▼]

From a clinical case of equine dermatophilosis, a short review of literature is proposed. The aetiology, causal factors, symptoms and lesions are brievely reviewed. Therapeutics and prophylaxis are outlined. [less ▲]

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See detailThe dermatophyte species Arthroderma benhamiae: intraspecies variability and mating behaviour
Symoens, F; Jousson, O; Packeu, A et al

in Journal of Medical Microbiology (2013), 62

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See detailDermatophytes and Dermatophytoses
Chaturvedi, Vishnu; Bouchara, Jean-Philippe; Mignon, Bernard ULg

in Mycopathologia (2008), 166(5-6), 235-424

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See detailDermatophytes as Saprophytes and Pathogens
Monod, M; Mignon, Bernard ULg; Staib, P

in Sullivan, DJ; Moran, GP (Eds.) Human Pathogenic Fungi: Molecular Biology and Pathogenic Mechanisms (2014)

Dermatophytes infect the stratum corneum, nails and hair and are the most common agents of superficial mycoses in humans and animals. At present the genome of seven species has been sequenced. Between 22 ... [more ▼]

Dermatophytes infect the stratum corneum, nails and hair and are the most common agents of superficial mycoses in humans and animals. At present the genome of seven species has been sequenced. Between 22.5 and 24 Mb, the dermatophyte genomes are smaller in size than those of Coccidioides spp., Histoplasma spp. and Aspergillus spp. They are enriched for particular families of genes encoding secreted proteases, fungal specific kinases and proteins containing the LysM domain that is known to bind chitin. Different tools were recently developed to improve genetic analyses of dermatophytes, including efficient systems for targeted gene inactivation, gene silencing and broad transcriptional profiling techniques. Unexpectedly, gene expression profiles in the skin and hair of infected guinea pigs were found to be very different from those during in vitro growth using hard keratin as a substrate. Instead of the major in vitro expressed protease genes, others were found to only be activated in the skin of infected animals. In other words, the expression of putative virulence genes in dermatophytoses is more complex than previously assumed and likely depends on the site and type of infection. Further broad transcriptional profiling approaches during infections will give new insights into the pathogenic mechanisms of dermatophytes. [less ▲]

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See detailDermatophytes transmis par les animaux domestiques
Monod, M; Fratti, B; Mignon, Bernard ULg et al

in Revue Médicale Suisse (2014), 10

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See detailDermatophyties
Mignon, Bernard ULg

in Guaguère E., Prélaud P. (Ed.) Guide pratique de dermatologie canine (2006)

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See detailDermatophytoses - Mise au point
Mignon, Bernard ULg

Conference given outside the academic context (2004)

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See detailDermatophytoses : actualités épidémiologiques et diagnostiques
Mignon, Bernard ULg

in Pratique Vet (2010), 45

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See detailDermatophytosis in cats : ABCD guidelines on prevention and management
Frymus; Gruffydd-Jones, T.; Pennisi, M.G. et al

in Journal of Feline Medicine and Surgery (2013), 15

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See detailDermatophytosis, Trends in Epidemiolgy and Diagnostic Approach
HAYETTE, Marie-Pierre ULg; SACHELI, Rosalie ULg

in Current Fungal Infections report (2015), 9(3), 164-179

Dermatophytes are among the common fungal agents implicated in superficial skin infections. The anthropophilic dermatophyte Trichophyton rubrum is still the most frequent causative agent worldwide but the ... [more ▼]

Dermatophytes are among the common fungal agents implicated in superficial skin infections. The anthropophilic dermatophyte Trichophyton rubrum is still the most frequent causative agent worldwide but the prevalence of several species of dermatophytes varies through different areas around the world. This review summarizes the current status of dermatophytes infection in Europe, Africa, Asia and America and gives an overview of the molecular biology laboratory methods currently available for the diagnosis of dermatomycoses. [less ▲]

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See detailDermatophytosis: efficacy of commercial vaccines?
Mignon, Bernard ULg

in Proceedings of the 5th World Congress of Veterinary Dermatology (2004)

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