References of "Quatresooz, Pascale"
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See detailPseudolymphomes cutanés et pseudoclonalité des infiltrats lymphoïdes.
Quatresooz, Pascale ULg; Franchimont, Claudine ULg; Devillers, Céline ULg et al

in Revue Médicale de Liège (2009), 64

Cutaneous pseudolymphomas represent an heterogeneous group of tumours resembling lymphomas by some clinical and histological aspects. They are distinguished, in particular, by their benign evolution. The ... [more ▼]

Cutaneous pseudolymphomas represent an heterogeneous group of tumours resembling lymphomas by some clinical and histological aspects. They are distinguished, in particular, by their benign evolution. The histological and immunohistological examinations combined with molecular biology help to elucidate any diagnostic uncertainty. In these diseases, monoclonality and pseudoclonality must be distinguished in the lymphoid infiltrates. Searching for any specific etiology is important because removing the cause is likely to clear the lesions. [less ▲]

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See detailLe cosméceutique, oxymoron de la quête d'une efficacité cosmétique?
Pierard, Gérald ULg; Meunier, J.; Franchimont, Claudine ULg et al

in Dermatologie Actualité (2009), 113

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See detailComment j'explore... des lésions cutanées chez un toxicomane adepte de la cocaïne ou du crack.
Devillers, Céline ULg; Franchimont, Claudine ULg; Pierard, Gérald ULg et al

in Revue Médicale de Liège (2009), 64

Both cocaine and crack exert sympathetic and prothrombotic effects. The induced lesion may affect the skin, and other organ systems as well. Various types of vasculitis and infectious dermatoses are the ... [more ▼]

Both cocaine and crack exert sympathetic and prothrombotic effects. The induced lesion may affect the skin, and other organ systems as well. Various types of vasculitis and infectious dermatoses are the predominant issues. In addition, tactile and visual hallucinations may occur suggesting insect crawling underneath the skin. [less ▲]

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See detailPanoplies des therapies ciblees par anticorps monoclonaux en dermatologie. Actualite et prospectives.
Pierard, Claudine ULg; Quatresooz, Pascale ULg; Paquet, Philippe ULg et al

in Revue Médicale de Liège (2009), 64(5-6), 334-8

Targeted therapies are focused on one or a few molecules particularly involved in specific diseases. Some inflammatory dermatoses and cutaneous neoplasia potentially benefit from these approaches. Nine ... [more ▼]

Targeted therapies are focused on one or a few molecules particularly involved in specific diseases. Some inflammatory dermatoses and cutaneous neoplasia potentially benefit from these approaches. Nine monoclonal antibodies of interest in dermatology are presented according to the disorders where they have proven their efficacy. Biotherapies extend beyond monoclonal antibodies. A given effect, such as TNF-alpha antagonism, is indeed obtained by distinct drug classes. The interindividual differences in the therapeutic responses remain unpredictable, and there is no criteria of selection of patients who could benefit the most from these targeted medications. [less ▲]

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See detailLe paradoxe des effets cutanes indesirables, mais predictifs de l'efficacite des therapies ciblees anticancereuses.
Quatresooz, Pascale ULg; Rorive, Andrée ULg; Paquet, Philippe ULg et al

in Revue Médicale de Liège (2009), 64(5-6), 347-50

A series of medical disciplines benefit from the emergence of diverse targeted therapies using monoclonal antibodies. Skin is affected by adverse events of such therapies primarily targeting internal ... [more ▼]

A series of medical disciplines benefit from the emergence of diverse targeted therapies using monoclonal antibodies. Skin is affected by adverse events of such therapies primarily targeting internal cancers. As a unique event in medicine, some of the skin adverse effects are predictive markers of the therapeutic antineoplastic activity. This fact concerns the paroxismal acneiform eruption and the inflammatory flare-up of actinic keratoses. Such a situation is linked to the fact that these specific "unwanted" effects are not really side effects but rather represent the direct pharmacological consequence of the activity directed to the EGF receptors which are particularly abundant in the follicular ostium and in precursor lesions to skin carcinomas. [less ▲]

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See detailChildhood cutaneous leiomyosarcoma.
Blaise, Géraldine ULg; Nikkels, Arjen ULg; Quatresooz, Pascale ULg et al

in Pediatric Dermatology (2009), 26(4), 477-9

Cutaneous leiomyosarcoma is a soft tissue neoplasm exhibiting an aggressive local behavior and a potential for distant metastases. It is rare during childhood and diagnosis can be challenging both ... [more ▼]

Cutaneous leiomyosarcoma is a soft tissue neoplasm exhibiting an aggressive local behavior and a potential for distant metastases. It is rare during childhood and diagnosis can be challenging both clinically and histologically. Surgical excision with wide lateral and deep margins is the treatment of choice, whereas radiotherapy and chemotherapy are contraindicated. Long-term follow-up is necessary as recurrences are not infrequent. [less ▲]

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See detailSyndrome de Birt-Hogg-Dube sporadique.
Vandenbossche, Géraldine; Franchimont, Claudine ULg; Quatresooz, Pascale ULg et al

in Revue Médicale de Liège (2009), 64(7-8), 358-60

Birt-Hogg-Dube is a rare syndrome which is sporadic or hereditary with a dominant autosomal transmission. Various organs, in particular the skin, can be affected. In the presently reported case, skin was ... [more ▼]

Birt-Hogg-Dube is a rare syndrome which is sporadic or hereditary with a dominant autosomal transmission. Various organs, in particular the skin, can be affected. In the presently reported case, skin was covered by hundreds of small molluscoid papules corresponding to trichodiscomas, fibrofolliculomas and skin tags. [less ▲]

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See detailMolecular pathways supporting the proliferation staging of malignant melanoma (review).
Quatresooz, Pascale ULg; Pierard, Gérald ULg; Franchimont, Claudine ULg et al

in International Journal of Molecular Medicine (2009), 24(3), 295-301

The clinical diagnosis of cutaneous melanoma always calls for histological confirmation. In addition to the recognition of the classic aspects of the neoplasm, immunohistochemistry is determinant, in ... [more ▼]

The clinical diagnosis of cutaneous melanoma always calls for histological confirmation. In addition to the recognition of the classic aspects of the neoplasm, immunohistochemistry is determinant, in particular in the assessment of the size of the replicative compartment. Generally, the proliferation rate is indicative of the neoplastic progression and is related to the clinical growth rate of the neoplasm. It allows to distinguish high risk melanomas showing a high growth rate from those of lower malignancy associated with a restricted growth rate. In melanoma, the recruitment and progression of neoplastic cells in the cell cycle of proliferation have lost some of their controls that are normally processed by a series of key regulatory molecules. In addition, the apoptotic pathway counteracting any hyperproliferative activity is released of the dependency of specific regulated molecular mechanisms. This review summarizes the current knowledge on key molecular components involved in the deregulation of the growth fraction, cell proliferation and apoptosis in melanocytic neoplasms. The implication of cyclins and of the mitogen-activated protein kinase pathways are scrutinized. The involvement of neoplastic stem cells in the metastatic process is also discussed. [less ▲]

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See detailL'image du mois. Melanome a croissance rapide.
Bourguignon, Raphaël; Giet-Lesuisse, Marianne; Arrese Estrada, Jorge ULg et al

in Revue Médicale de Liège (2009), 64(9), 429-31

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See detailEn chemin vers les cancers photo-induits.
Pierard, Gérald ULg; André, J.; Brochez, L. et al

in Skin (2009), 12

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See detailSpotlight on adapalene.
Pierard, Gérald ULg; Franchimont, Claudine ULg; Paquet, Philippe ULg et al

in Expert opinion on drug metabolism & toxicology (2009), 5(12), 1565-75

BACKGROUND: In the field of dermatology, topical retinoids represent a mainstay in acne treatment. Adapalene is a naphthoic acid derivative showing some pharmacological activities similar to the regular ... [more ▼]

BACKGROUND: In the field of dermatology, topical retinoids represent a mainstay in acne treatment. Adapalene is a naphthoic acid derivative showing some pharmacological activities similar to the regular retinoids. The drug is used singly or in combination for treating acne and a few other miscellaneous skin disorders. OBJECTIVE: To critically review the pharmacokinetic, pharmacologic aspects and clinical benefits and adverse effects associated with topical adapalene. METHOD: A systematic literature review was conducted primarily based on PubMed citations. RESULTS/CONCLUSIONS: Adapalene shares some biological activities in common with retinoic acid. However, it exhibits distinct physicochemical and binding properties for selective retinoic acid receptors. In acne, adapalene is expected to reduce comedogenesis, expel mature comedones and exert some anti-inflammatory effects. The drug is effective as monotherapy in mild comedonal acne and in combination with benzoyl peroxide for mild-to-moderate inflammatory acne. The safety profile of adapalene is good. Indeed, only discrete to moderate adverse events including erytheme, xerosis, itching and stinging may develop during the early treatment phase. Clinical experience has established that adapalene represents a valuable addition to the other current treatments for acne. [less ▲]

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See detailNodules violacés sporotrichoïdes chez une patiente immunodéprimée.
Devillers, Céline ULg; Franchimont, Claudine ULg; Quatresooz, Pascale ULg et al

in Dermatologie Actualité (2009), 115

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See detailMini-mélanome papulo-achromique de croissance rapide.
Franchimont, Claudine ULg; Arrese Estrada, Jorge ULg; Quatresooz, Pascale ULg et al

in Dermatologie Actualité (2009), 114

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See detailVoir l'iceberg au ras des flots en scotomisant la métrologie cutanée.
Pierard, Gérald ULg; Quatresooz, Pascale ULg; Neuberg, S. et al

in Dermatologie Actualité (2009), 117

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See detailFungal chitin-glucan scaffold for managing diabetic xerosis of the feet in menopausal women.
Quatresooz, Pascale ULg; Franchimont, Claudine ULg; Szepetiuk, Grégory ULg et al

in Expert Opinion on Pharmacotherapy (2009), 10(14), 2221-9

BACKGROUND: Corneocyte accumulation (hyperkeratosis, xerosis) commonly occurs in the stratum corneum (SC) of the feet of diabetic patients, as well as menopausal women. OBJECTIVE: To compare the effects ... [more ▼]

BACKGROUND: Corneocyte accumulation (hyperkeratosis, xerosis) commonly occurs in the stratum corneum (SC) of the feet of diabetic patients, as well as menopausal women. OBJECTIVE: To compare the effects of a 2.5% chitin-glucan formulation with its placebo, and commercially available glycerol formulations. METHODS: This two-step controlled double-blind, randomized, intra-individual study was performed in 30 type 1 and 2 diabetic menopausal women suffering from xerosis of the feet. The formulations were applied once daily for 3 weeks. Electrometric assessments were performed on three sites of the feet at entry in the study, at weekly intervals during the treatment phase, and in a 2-week follow-up out of treatment. Positive controls consisted in two commercially available formulations enriched in glycerol. RESULTS: Data revealed an unequivocal benefit provided by the 2.5% chitin-glucan formulation compared with placebo. The electrometric values were significantly higher at each evaluation time during both treatment and follow-up phases. The two glycerol-enriched formulations showed slightly different kinetics of SC moisturization. A steep increase was followed by a plateau level and a rapid decline after stopping the treatments. CONCLUSION: The increased moisturization of the SC of the sole probably improves the desquamation process and reduces xerosis of the soles. [less ▲]

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See detailFondements de la cosmétovigilance sur le mode européen.
Franchimont, Claudine ULg; Meunier, J.; Quatresooz, Pascale ULg et al

in Skin (2009), 12

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See detailGranulome de Majocchi sur tinea incognito chez une Africaine.
Devillers, Céline ULg; Willemaers, V.; Lesuisse, Marianne et al

in Dermatologie Actualité (2009), 116

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See detailEmerging therapies for ionizing radiation-associated skin field carcinogenesis.
Pierard, Gérald ULg; Pierard, Claudine ULg; Paquet, Philippe ULg et al

in Expert Opinion on Pharmacotherapy (2009), 10(5), 813-21

BACKGROUND: Radiodermatitis in its acute and chronic presentations represents a set of specific adverse effects resulting from ionizing radiations. Skin-field cancerization is another condition associated ... [more ▼]

BACKGROUND: Radiodermatitis in its acute and chronic presentations represents a set of specific adverse effects resulting from ionizing radiations. Skin-field cancerization is another condition associated to or independent of clinically recognizable radiodermatitis. This condition leads to the risk of later occurrence of skin malignancies. METHOD: Review of the current and most pertinent peer-reviewed publications with the addition of personal perspectives. RESULT/CONCLUSION: The presence of field cancerization encompasses subclinical changes, precursors of malignant alterations, as well as single or multiple primary neoplasms and local neoplastic recurrences. These tumours commonly require repeated treatments over time and cause significant morbidity. In general, specific tumour-directed treatments using ablative or destructive techniques require regular follow-up and screening for disclosing any further neoplasm. Another strategy corresponding to field-directed treatment targets a larger area of irradiated skin to reduce the risk of developing second neoplasms and local recurrences. Imiquimod is an immune response modifier of the imidazoquinoline class. It is the archetype drug used to control skin-field carcinogenesis. Cryotherapy, topical 5-fluorouracil, diclofenac and conventional photodynamic therapy are supposed to bring effects differing by their indications, healing rates and remission rates. The possibility of inducting a radiation recall dermatitis by some of these therapeutic modalities has not been thoroughly evaluated, and at present cannot be ruled out with confidence. [less ▲]

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See detailSarcoidose cardiaque: a propos d'un cas.
Evrard, Philippe; Evrard, Annick ULg; Gouzou, Michel et al

in Revue Médicale de Liège (2008), 63(12), 707-9

Sarcoidosis is a systemic disease of unknown aetiology characterised by the formation of non caseating epithelioid cell granuloma, which can occur in virtually any organ. The involvement of the heart is ... [more ▼]

Sarcoidosis is a systemic disease of unknown aetiology characterised by the formation of non caseating epithelioid cell granuloma, which can occur in virtually any organ. The involvement of the heart is an important prognostic factor in sarcoidosis. Early treatment prevents irreversible damage of the heart and seems to be associated with better prognosis. [less ▲]

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