3 research outputs found

    Métastases intramédulaires d’un adénocarcinome pulmonaire: à propos d’un cas

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    Les métastases de la moelle épinière sont extrêmement rares. Elles surviennent chez 0,1 à 0,4% des patients cancéreux et représentent 1% detoutes les tumeurs de la colonne vertébrale et 1-3% des tumeurs  intramédullaires. Le cancer du poumon est le primitif le plus fréquent. Nousrapportons le cas d’un patient de 51 ans, suivi pour un adénocarcinome  pulmonaire et qui après la 1ère cure de chimiothérapie a développé des métastases intramédullaires et cérébrales. Une radiothérapie sur la moelle et le cerveau associée à une corticothérapie par voie générale ont été débutées. Le patient est décédé 3 mois après la survenue des métastases  intramédullaires. A travers ce nouveau cas de métastases intarmédullaires d’un adénocarcinome pulmonaire et revue de la littérature, les auteurs  insistent sur leur rareté ainsi que sur ses difficultés diagnostiques et thérapeutiques

    A genome-wide association study of pulmonary tuberculosis in Morocco

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    Although epidemiological evidence suggests a human genetic basis of pulmonary tuberculosis (PTB) susceptibility, the identification of specific genes and alleles influencing PTB risk has proven to be difficult. Previous genome-wide association (GWA) studies have identified only three novel loci with modest effect sizes in sub-Saharan African and Russian populations. We performed a GWA study of 550,352 autosomal SNPs in a family-based discovery Moroccan sample (on the full population and on the subset with PTB diagnosis at <25 years), which identified 143 SNPs with p < 1 × 10(−4). The replication study in an independent case/control sample identified four SNPs displaying a p < 0.01 implicating the same risk allele. In the combined sample including 556 PTB subjects and 650 controls these four SNPs showed suggestive association (2 × 10(−6) < p < 4 × 10(−5)): rs358793 and rs17590261 were intergenic, while rs6786408 and rs916943 were located in introns of FOXP1 and AGMO, respectively. Both genes are involved in the function of macrophages, which are the site of latency and reactivation of Mycobacterium tuberculosis. The most significant finding (p = 2 × 10(−6)) was obtained for the AGMO SNP in an early (<25 years) age-at-onset subset, confirming the importance of considering age-at-onset to decipher the genetic basis of PTB. Although only suggestive, these findings highlight several avenues for future research in the human genetics of PTB
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