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Biomedical subjects

A L Souillet

Publications and source records attributed to A L Souillet.

12 recordsLinked to original sources
PubMed2004

Antileukemic and long-term effects of two regimens with or without TBI in allogeneic bone marrow transplantation for childhood acute lymphoblastic leukemia.

Between September 1986 and June 1997, 24 children with high-risk ALL in CR1 were allografted after TAM (fractionated TBI, high-dose Ara-C, and melphalan; n = 10) or BAM protocol (busulfan, high-dose Ara-C, and melphalan; n = 14). The EFS for transplants from sibling donors was 33% with TAM and 62% with BAM (P = 0.148). The probability of acute GvHD was 70% with TAM and 15% with BAM (P = 0.003). Four of 17 evaluable patients relapsed: one after TAM and three after BAM. In all, 46 other children transplanted in CR beyond CR1 were studied for sequelae. Long-term side effects were more frequent in TAM vs BAM. In children with ALL, busulfan may be a good alternative to TBI to improve the quality of life.

Adolescent↗
PubMed2001

[Eccrine neutrophilic hidradenitis: idiopathic plantar form in children].

UNLABELLED: In this study, two cases have been reported of idiopathic plantar hidradenitis, an uncommon dermatological pathology with a spontaneous favorable outcome. OBSERVATIONS: Two children aged 12 and 14 years presented with a painful papulo-nodular plantar rash with major functional impairment. The diagnosis of idiopathic plantar hidradenitis was considered, and then confirmed in one case by plantar biopsy. Non-steroidal antiinflammatory drugs, associated with paracetamol in one case were administered. The symptoms disappeared spontaneously within a few days in both cases, without any recurrence. CONCLUSION: A knowledge of the symptoms connected with plantar hidradenitis in the child allows a rapid diagnosis to be made without hospitalization or further medical examination. Analgesic treatment and rest seem to be the only useful approaches. Biopsy to investigate eccrine gland infiltration by neutrophils can only be proposed in the case of an abnormally prolonged duration or an atypical presentation of this pathology.

Acetaminophen↗
PubMed2001

[Familial hyperchylomicronemia with a new mutation of the lipoprotein lipase gene].

INTRODUCTION: Familial hyperchylomicronemia is a rare autosomal recessive disease caused by lipoprotein lipase deficiency. CASE-REPORT: A nine month-old girl presented with eruptive xanthomas revealing a familial hyperchylomicronemia. No lipoprotein lipase activity was found. DNA analysis revealed a novel homozygous non-sense mutation of the lipoprotein lipase gene at the codon 288. The parents were heterozygous carriers. DISCUSSION: Familial hyperchylomicronemia usually presents with eruptiva xanthomas, abdominal pain, pancreatic manifestation and lipemia retinalis. Papulo-nodular xanthomas occur more frequently in children as in our case. Eighty lipoprotein lipase gene mutations have been recorded to date. The gene locates on chromosome 8. Only 9 non-sense mutations have been described which lead to a truncated protein. In our case, no enzymatic activity was detected probably due to an absence of secretion of the enzyme, even though catalytic activity persisted. The homozygous carrier status leads to hyperchylomicronemia whereas the heterozygote status may lead to mixed hyperlipidemia with an increased risk of atherosclerosis. The screening of lipoprotein lipase gene mutations should be carried out in all families with hyperchylomicronemia, regardless of the presence or absence of xanthomas.

Chromosome Aberrations↗
PubMed2000

[Perianal streptococcal dermatitis].

BACKGROUND: Pediatric perianal streptococcal dermatitis (PSD) is a well-defined clinical entity. However, its highly uniform presentation remains surprisingly unrecognized by many practitioners 33 years after its first description. CASE REPORT: A seven-year-old girl had a three-week history of perianal and vulva redness with well-defined margins. Functional symptoms associated perirectal tenderness and pain during defecation, which was responsible for constipation. At onset she also presented with a sore throat, which resolved spontaneously, and she had been complaining for a few days about a perioral impetigo. She received mycostatin unsuccessfully for an alleged candidiasis. Positive cultures for group A beta-hemolytic streptococci from both perirectal and perioral swabs confirmed the diagnosis of PSD. Therapy with amoxicillin (50 mg/kg/d) was prescribed for ten days. Perianal lesions were cleared by day 2. CONCLUSION: Since PSD can masquerade as candidiasis, psoriasis, seborrheic dermatitis, inflammatory bowel disease or even sexual abuse, it remains an underdiagnosed entity. This situation leads to delayed diagnosis and treatment which in turn might increase the frequency of secondary complications related to streptococcal infections (i.e., post-streptococcal acute nephritis and rheumatism, guttate psoriasis, etc.).

Amoxicillin↗
PubMed2000

Acyclovir-resistant varicella infection with atypical lesions in a non-HIV leukemic infant.

UNLABELLED: An HIV-negative infant presented with VZV primary infection during the maintenance therapy for megakaryoblastic leukaemia. The lesions were initially vesicular and necrotic but became verrucous and hyperkeratotic. A clinical resistance to acyclovir was suspected and confirmed by histologic and virologic studies. The patient was successfully treated by foscarnet. CONCLUSION: resistance of VZV to acyclovir may occur after a short treatment in a non-AIDS patient.

Acyclovir↗
PubMed1998

Coagulation factor XIII in scleroderma.

The ability of blood coagulation factor XIII (FXIII) to affect collagen synthesis and degradation led to its use in the treatment of scleroderma. Encouraging initial results were achieved principally in terms of skin sclerosis, musculoskeletal involvement and weakness. Further assessment of this treatment in scleroderma was abandoned when, following the HIV epidemic, FXIII use became strictly regulated. Safer concentrates are now available which may allow us to reconsider this therapy. This paper, which briefly reviews available data related to FXIII use in scleroderma and which proposes general rules for prescribing, is aimed at generating an open debate as to the need to widen the regulated use of FXIII to scleroderma.

Adult↗
PubMed1998

[Ofuji's papulo-erythroderma: treatment with cyclosporin A].

BACKGROUND: Papuloerythroderma of Ofuji is an uncommon condition characterized by diffuse pruriginous eruptions of infiltrating papulae. The large folds are not involved. The eruptions are associated with lymphopenia and eosinophilia. Very few cases have been reported in the literature and because of their heterogeneous nature, there is some debate as to whether this is a single clinical entity or a particular presentation of erythrodermia; Immunomodulation is recommended. CASE REPORT: A 73 year-old man of asian origin living in France presented chronic pruriginous erythrodermia with flat purplish-brown confluent papulae which did not involve the large folds. Eosophilia and lymphopenia were present. The biopsy specimen evidenced dermal infiltration with CD4+CD45+RO+ T cells, eosinophils and DC1a+ dendritic cells. Further explorations did not reveal any sign favoring lymphoma, carcinoma or underlying infection. Dermocorticoids, PUVA-therapy and interferon-alpha were ineffective. Considerable clinical improvement was obtained with cyclosporine A. DISCUSSION: We used ciclosporine A in our patient after repeated failure of other therapies reported to be effective in this dermatosis. Despite the favorable outcome, this therapeutic approach should be used with prudence.

Aged↗