نتایج جستجو برای: sporadic
تعداد نتایج: 21803 فیلتر نتایج به سال:
Severe leptospirosis (Weil Syndrome) was diagnosed in an otherwise healthy environmental worker in Baltimore alleys in late November 2010. He developed multiple organ failure but responded to antibiotic therapy and experienced a full recovery within 4 weeks. His diagnosis was confirmed by a rise in indirect hemagglutinin titer (acute 0, convalescent 400). The subject had close contact with Balt...
We discuss Lachlan’s classification theory for finite homogeneous structures and related problems on finite permutation groups. Lachlan’s theory provides a hierarchy of classifications in which structures which are “sporadic” in one context reappear as members of infinite families at later stages. Every finite structure is accounted for at some level in this hierarchy, but for structures associ...
Several molecular subtypes of sporadic Creutzfeldt-Jakob disease have been identified and electroencephalogram and cerebrospinal fluid biomarkers have been reported to support clinical diagnosis but with variable utility according to subtype. In recent years, a series of publications have demonstrated a potentially important role for magnetic resonance imaging in the pre-mortem diagnosis of spo...
Thoracic aorta shows with advancing age various changes and a progressive deterioration in structure and function. As a result, vascular remodeling (VR) and medial degeneration (MD) occur as pathological entities responsible principally for the sporadic TAA onset. Little is known about their genetic, molecular, and cellular mechanisms. Recent evidence is proposing the strong role of a chronic i...
BACKGROUND To elucidate relations of invasion of ulcerative colitis (UC)-associated carcinoma with its prognosis, the characteristics of invasive fronts were analyzed in comparison with sporadic colonic carcinomas. METHODS Prognoses of 15 cases of UC-associated colonic carcinoma were compared with those of sporadic colon carcinoma cases, after which 75 cases of sporadic invasive adenocarcinom...
BACKGROUND Little is known about the genetic and epigenetic changes that contribute to familial pancreatic cancers. The aim of this study was to compare the prevalence of common genetic and epigenetic alterations in sporadic and familial pancreatic ductal adenocarcinomas. METHODS DNA was isolated from the microdissected cancers of 39 patients with familial and 36 patients with sporadic pancre...
OBJECTIVES Keratocystic odontogenic tumors (KCOTs) are benign cystic lesions of the jaws that occur sporadically in isolation or in association with nevoid basal cell carcinoma syndrome (NBCCS). The protein patched homolog 1 gene (PTCH1) is associated with NBCCS development and tumor genesis associated with this syndrome. However, previous studies have revealed that more than 85% of syndromic K...
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