INTRODUCTION It has long been known (e.g. Warkany & Schraffenberger, 1947; Wilson, 1949; Russell & Russell, 1954; Russell, 1957) that X-irradiation can phenocopy mutation and that in mice (Russell, 1950) there are sensitive periods during embryonic development for the production of these effects. It has also been known (Van Scott & Reinertson, 1957) that X-irradiation of adult mouse hair follic...

The unexpected link which is the topic of this article was remarked on by Atiyah himself and his collaborator Raoul Bott in their fundamental 1983 paper [AB83] on the Yang-Mills equations over Riemann surfaces. In this paper Atiyah and Bott used ideas coming from Yang-Mills theory and equivariant Morse theory to derive inductive formulae for the Betti numbers of the moduli spaces M(n, d) of sta...

Les tumeurs cardiaques foetales sont rares, la plupart benignes dont les rhabdomyomes plus frequents , il est souvent de bon pronostic mais ils peuvent entrainer des complications graves, notamment arythmies, lanasarquefoetalvoir même mort foetal in utero . êtresoit unique ou multiple multiples associes a sclerose tubereuse Bourneville (STB) Nous rapportons un cas decouvert au cours grossesse...

La coexistence dun carcinome epidermoide de la langue et dune tuberculose ganglionnaire cervicale est un fait clinique rare. Nous rapportons le cas patiente age 55 ans, qui a beneficie hemiglossectomie pour avec curage cervical bilateral. Lexamen histopathologique definitif conclu une association au cancer langue, sans metastase ganglionnaire. Le pronostic depend du langue. Sa stadification cha...

Fibroadenomas are the most common tumors in women of childbearing age, especially young under age 30. The majority biopsied ACR4A lesions correspond to adenofibromas. Usually these solid, oval, well defined, with regular contours, lobulated (≥4 lobulations).We present case a 17-year-old girl, who has multiple fibroadenomas, about 36 lesions. fibroadenomas unique, however, can be observed 15-2...

La localisation vesicale de lendometriose est rare. On rapporte une observation chez femme 44 ans prise en charge au Centre Hospitalier Universitaire Ibn Rochd (CASABLANCA). Depuis un an, elle presentait des douleurs pelviennes, dysurie et hematurie macroscopiqueconcomitants aux menstruations. Les arguments cliniques echographiques avaient fait suspecter endometriose traitement chirurgical demb...

Mounier-Kuhn syndrome (MKS) is a rare entitycharacterised by an enlargedtrachea and main bronchi.Despite the century-long delaybetween first description in 1932, itisstillunder-diagnosedwithonly 300 cases reported literature. Histologicallyitischaracterised atrophy of smooth muscle elastic fibres tracheobronchialtreeresulting impairedmucociliary clearance. The respiratorysymptoms MKS are non-sp...