References of "Richert, Bertrand"
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See detailLe botryomycome.
Wauters, Odile ULg; Sabatiello, Murielle ULg; Nikkels, Nazli ULg et al

in Annales de Dermatologie et de Vénéréologie (2010), 137(3), 238-42237243

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See detailAcantholytic tumor of the nail: acantholytic dyskeratotic acanthoma
Sass, U.; Kolivras, A.; Richert, Bertrand ULg et al

in Journal of Cutaneous Pathology (2009), 36

Acantholytic dyskeratotic acanthomas of the skin have been recently described in several publications. They differ from acantholytic acanthomas by the presence of dyskeratosis. However these tumors have ... [more ▼]

Acantholytic dyskeratotic acanthomas of the skin have been recently described in several publications. They differ from acantholytic acanthomas by the presence of dyskeratosis. However these tumors have never been described in nails. We report three cases localized on the thumb nail. [less ▲]

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See detailNew Tools in Nail Disorders
Richert, Bertrand ULg; Lateur, Nadine; Theunis, Anne et al

in Seminars in Cutaneous Medicine and Surgery (2009), 28

Tumors of the nail unit may be difficult to diagnose because of the screening effect of the nail plate. In longitudinal melanonychia, several new promising techniques assist with early diagnosis of ... [more ▼]

Tumors of the nail unit may be difficult to diagnose because of the screening effect of the nail plate. In longitudinal melanonychia, several new promising techniques assist with early diagnosis of melanoma (in vivo matrix dermoscopy and immunohistochemistry) as well as sparing as much of the healthy tissues as is possible (shave biopsy technique). Diagnosing nail disorders is in some instances difficult both for the clinician and the pathologist. New tools such as polymerase chain reaction have been proposed for onychomycosis, which accounts for more than half of nail conditions, will allow quick and accurate diagnosis. However, polymerase chain reaction analysis remains expensive and is not routinely used by clinicians. Scoring nail dystrophy by clinical observation remains very subjective; therefore, severity indexes have been proposed. Another emerging noninvasive technique is forensic analysis of nail clippings for detection of drug intake and abuse, as well as exposure to environmental pollution [less ▲]

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See detailCosmetic surgery for congenital nail deformities
Richert, Bertrand ULg; Choffray, Alexandre ULg; de LA BRASSINNE, Michel ULg

in Journal of Cosmetic Dermatology (2008), 7

Only a few nail dystrophies may be improved by surgery: malalignment of the big toenail, racquet thumbs, trapezoidal nails, and vertical implantation of the nail on the fifth toe. Knowledge of the ... [more ▼]

Only a few nail dystrophies may be improved by surgery: malalignment of the big toenail, racquet thumbs, trapezoidal nails, and vertical implantation of the nail on the fifth toe. Knowledge of the surgical management of these deformities may allow a nice cosmetic outcome if performed by skilled surgeons. [less ▲]

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See detailRetronychia: Proximal ingrowing of the nail plate
De Becker, D. A. R.; Richert, Bertrand ULg; Duhart, E. et al

in Journal of the American Academy of Dermatology (2008), 58

Background: Proximal nail fold inflammation can be caused by many diseases and has not previously been recognized as a result of posterior embedding of the nail. We describe a new pattern of ingrowth that ... [more ▼]

Background: Proximal nail fold inflammation can be caused by many diseases and has not previously been recognized as a result of posterior embedding of the nail. We describe a new pattern of ingrowth that we have termed retronychia (‘‘retro’’—Latin for backwards; ‘‘onychia’’—Greek for nail). The term describes a combination of proximal nail plate ingrowth into the proximal nail fold which is associated with multiple generations of nail plate misaligned beneath the proximal nail. Objective: To describe a new pattern of nail ingrowth which causes a specific form of proximal nail fold paronychia. Methods: Collective cases were reported to a European Nail Society expert group. Results: Persistent proximal nail fold inflammation can result from an episode of trauma that disturbs longitudinal nail growth and results in reverse embedding of the nail plate. This can cause pain, inflammation, and granulation tissue formation, and is typically relieved by avulsion and antiinflammatory treatment. Limitations: We cannot demonstrate causality between the proposed precipitants and the clinical features. Conclusion: Retroncyhia represents proximal ingrowth of the nail that occurs when the nail embeds backwards into the proximal nail fold. Nail plate avulsion with supplementary medical management is curative. [less ▲]

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See detailNail bed lichen planus associated with onychopapilloma
Richert, Bertrand ULg; Iorizzo, M.; Tosti, A. et al

in British Journal of Dermatology (2007), 156(5), 1071-1072

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See detailUn ongle d'inclusion: une complication de la cure chirurgicale d'ongle incarne selon la technique de Zadik
Vanhooteghem, Olivier ULg; Henrijean, A.; André, Jean-François ULg et al

in Annales de Dermatologie et de Vénéréologie (2006), 133(12), 1009-10

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See detailBasic nail surgery
Richert, Bertrand ULg

in Dermatologic Clinics (2006), 24(3), 313-322

Patients often fear nail surgery because of the pain associated with anesthesia and postoperative care. Potential dystrophic sequelae are of concern to the practitioner. A thorough knowledge of the ... [more ▼]

Patients often fear nail surgery because of the pain associated with anesthesia and postoperative care. Potential dystrophic sequelae are of concern to the practitioner. A thorough knowledge of the techniques of anesthesia, nail anatomy, and surgical procedures is a prerequisite for successful nail surgery with almost no pain and minimal scarring. It also is mandatory to involve a dermatopathologist who is familiar with the histologic idiosyncrasies of the nail unit. [less ▲]

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See detailLe lichen sclereux vulvaire
Gillard, Patricia ULg; Vanhooteghem, Olivier ULg; Richert, Bertrand ULg et al

in Revue Médicale de Liège (2005), 60(7-8), 656-660

Vulvar lichen sclerosus is a frequent mucocutaneous disease especially affecting 50 to 60 year-old women but with a possible onset at very young age. Symptoms are most disabling including pruritus and ... [more ▼]

Vulvar lichen sclerosus is a frequent mucocutaneous disease especially affecting 50 to 60 year-old women but with a possible onset at very young age. Symptoms are most disabling including pruritus and dyspareunia. Vulvar mucosa gradually becomes more white and atrophied. Degeneration into epidermoid carcinoma is possible. Treatment only consists of topical corticosteroids. [less ▲]

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See detailCheloide et cicatrice hypertrophique
Mostinckx, S.; Vanhooteghem, Olivier ULg; Richert, Bertrand ULg et al

in Annales de Dermatologie et de Vénéréologie (2005), 132(4), 384-7

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See detailComment je traite ... les varicosités par sclérothérapie
Mostinckx, S.; Dezfoulian, Bita ULg; Richert, Bertrand ULg et al

in Revue Médicale de Liège (2005), 60(2), 77-80

Sclerotherapy is a technique for the treatment of varicosities, vascular ectasia, and sometimes, leg varicose veins. This method is aesthetic and in some cases therapeutics and uses sclerosing agents ... [more ▼]

Sclerotherapy is a technique for the treatment of varicosities, vascular ectasia, and sometimes, leg varicose veins. This method is aesthetic and in some cases therapeutics and uses sclerosing agents, electrocoagulation and exceptionally LASER. These relatively simple methods are safe and efficient if they are applied with a rigorous procedure by well trained physicians. [less ▲]

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See detailHyperkeratotic nail discoid lupus erythernatosus evolving towards systemic lupus erythematosus: therapeutic difficulties
Richert, Bertrand ULg; André, J.; Bourguignon, R. et al

in Journal of the European Academy of Dermatology & Venereology (2004), 18(6), 728-730

Nail changes occur in about 25% of systemic lupus erythematosus (SLE) cases. Onycholysis has been reported as the most frequent abnormality in SLE. Nailbed hyperkeratosis may be observed in both SLE and ... [more ▼]

Nail changes occur in about 25% of systemic lupus erythematosus (SLE) cases. Onycholysis has been reported as the most frequent abnormality in SLE. Nailbed hyperkeratosis may be observed in both SLE and discoid lupus erythematosus (DLE). Involvement of the nail apparatus in DLE is extremely uncommon and never restricted to it. We report on a patient in whom the clinical features on the proximal nailfold were similar to those observed on the skin of a patient with typical DLE. This has, to the best of our knowledge, not yet been reported. The patient also exhibited a very distinctive prominent subungual hyperkeratosis. Interestingly, the patient developed biological alterations suggesting a systematization of the disease. Only a combination of systemic corticoids, retinoids and antimalarials was able to achieve nail improvement and this partial resistance to therapy may be explained by the very unusual subungual hyperkeratosis. [less ▲]

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See detailPeriungual lipoma: About three cases
Richert, Bertrand ULg; André, J.; Choffray, Alexandre ULg et al

in Journal of the American Academy of Dermatology (2004), 51(2 Suppl), 91-93

Lipomas are one of the most common benign soft tissue tumors. The usual development sites are the neck, the torso, and the legs. Lipomas of the nail unit are extremely rare. Only five cases have been ... [more ▼]

Lipomas are one of the most common benign soft tissue tumors. The usual development sites are the neck, the torso, and the legs. Lipomas of the nail unit are extremely rare. Only five cases have been reported tip to now. four in subungual locations and one in the lateral nail fold. We report three cases of peri-Lingual lipomas, one on the digit and two on the toes. Two of them exhibited the histological features of perisudoral lipomas. [less ▲]

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See detailLes xanthomes
de Schaetzen, V.; Richert, Bertrand ULg; de LA BRASSINNE, Michel ULg

in Revue Médicale de Liège (2004), 59(1), 46-50

Xanthomas are cutaneous lesions due to a local accumulation of spumous cells in the dermal tissue or the tendons. Histologically, they are characterized by the presence of histiocytes, fibroblasts ... [more ▼]

Xanthomas are cutaneous lesions due to a local accumulation of spumous cells in the dermal tissue or the tendons. Histologically, they are characterized by the presence of histiocytes, fibroblasts, macrophages and Touton cells full of lipids. Xanthomas may be found on any part of the body and are usually yellow-orange in color. They may or may not be associated to hyperlipoproteinemia which may be genetic or secondary. A blood test and a complete physical examination are necessary in case such a lesion is discovered. When there is no hyperlipemia some types of xanthomas may be associated to rare diseases. Xanthomas are classified according to their clinical features. [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 detailPseudo-hippocratisme digital: une entité à distinguer
Lizin, V. A.; Richert, Bertrand ULg; de LA BRASSINNE, Michel ULg

in Nouvelles Dermatologiques (2003), 22

Pseudo-clubbing is different in many respects from clubbing. Its causes are multiple, mechanical, tumoral of sometimes congenital, while clubbing occurs mostly in association with hypoxia. Pseudo-clubbing ... [more ▼]

Pseudo-clubbing is different in many respects from clubbing. Its causes are multiple, mechanical, tumoral of sometimes congenital, while clubbing occurs mostly in association with hypoxia. Pseudo-clubbing is also characterized by an increased transversal and longitudinal curvature of the nail plate but the other anatomic considerations associated with clubbing are not present. [less ▲]

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See detailLe syndrome des ongles verts ou chloronychie
Maes, M.; Richert, Bertrand ULg; de LA BRASSINNE, Michel ULg

in Revue Médicale de Liège (2002), 57(4), 233-235

"Green nails" or chloronychia is an infection mostly caused by Pseudomonas ueruginosa but also by other bacterial or fungal contamination. The clinical appearance consists in a typical triad: green ... [more ▼]

"Green nails" or chloronychia is an infection mostly caused by Pseudomonas ueruginosa but also by other bacterial or fungal contamination. The clinical appearance consists in a typical triad: green discoloration of the nail plate associated with proximal chronic paronychia and disto-lateral onycholysis. Exposition to moist environment, microtraumatisms, oaychotillomania and associated nail diseases such as psoriasis may promote infection by Pseudomonas. Treatment consists in cutting of the detached nail plate, brushing the nail bed with a 2% sodium hypochlorite solution twice daily and eviction of the repeated immersions by wearing cotton and latex gloves. [less ▲]

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See detailMedical imaging and MRI in nail disorders: report of 119 cases and review of the literature
Richert, Bertrand ULg; Baghaie, Mahmoud

in Dermatologic Therapy (2002), 15

Radiographs remain the golden standard for exploration of the bony structures located beneath the nail plate, but they provide no information on the perionychium. Until a few years ago the nail apparatus ... [more ▼]

Radiographs remain the golden standard for exploration of the bony structures located beneath the nail plate, but they provide no information on the perionychium. Until a few years ago the nail apparatus was deprived of investigative medical imaging. Glomus tumor was the only condition that was explored using invasive techniques such as angiography or scintigraphy. High-frequency ultrasound rapidly came up against technical limits. High-resolution magnetic resonance imaging (MRI) offers a superior alternative in detection of distal lesions as well as their relationship with the adjacent structures. MRI provides an accurate analysis of the nail apparatus with detection of lesions as small as 1 mm. This noninvasive technique will allow us to better understand, diagnose, and treat pathologies of the distal phalanx. [less ▲]

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See detailOsteo-onychodysplasie héréditaire (Nail Patella Syndrome)
Vanhooteghem, Olivier ULg; Henrijean, A.; Richert, Bertrand ULg et al

in Annales de Dermatologie et de Vénéréologie (2001), 128(10, Pt 1), 1063-7

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See detailRaynaud Phenomenon after Treatment of Verruca Vulgaris of the Sole with Intralesional Injection of Bleomycin
Vanhooteghem, Olivier ULg; Richert, Bertrand ULg; de LA BRASSINNE, Michel ULg

in Pediatric Dermatology (2001), 18(3), 249-251

Intralesional injection of bleomycin (BLM) for the treatment of warts resistant to all conventional therapies is of certain interest because of the drug's low toxicity and its efficacy. However, delayed ... [more ▼]

Intralesional injection of bleomycin (BLM) for the treatment of warts resistant to all conventional therapies is of certain interest because of the drug's low toxicity and its efficacy. However, delayed side effects may appear, particularly Raynaud phenomenon. Accordingly, some precautions must be taken in patients with vascular or collagen diseases and, as a precaution, pregnant or lactating women and infants should not be treated with this drug. [less ▲]

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