Colorectal cancer is the third most common cancer diagnosed worldwide.Although epidemiology data show a marked variability around the world,its overall incidence rate shows a slow but steady decrease,mainly in develop...Colorectal cancer is the third most common cancer diagnosed worldwide.Although epidemiology data show a marked variability around the world,its overall incidence rate shows a slow but steady decrease,mainly in developed countries.Conversely,early-onset colorectal cancer appears to display an opposite trend with an overall prevalence in United States and European Union ranging from 3.0% and 8.6%.Colorectal cancer has a substantial proportion of familial cases.In particular,early age at onset is especially suggestive of hereditary predisposition.The clinicopathological and molecular features of colorectal cancer cases show a marked heterogeneity not only between early- and late-onset cases but also within the early-onset group.Two distinct subtypes of early-onset colorectal cancers can be identified:a "sporadic" subtype,usually without family history,and an inherited subtype arising in the context of well defined hereditary syndromes.The pathogenesis of the early-onset disease is substantially well characterized in the inherited subtype,which is mainly associated to the Lynch syndrome and occasionally to other rare mendelian diseases,whereas in the "sporadic" subtype the origin of the disease may be attributed to the presence of various common/rare genetic variants,so far largely unidentified,displaying variable penetrance.These variants are thought to act cumulatively to increase the risk of colorectal cancer,and presumably to also anticipate its onset.Efforts are ongoing in the attempt to unravel the intricate genetic basis of this "sporadic" early-onset disease.A better knowledge of molecular entities and pathways may impact on family-tailored prevention and clinical management strategies.展开更多
Charcot-Marie-Tooth (CMT) disease, which encompasses several hereditary motor and sensory neuropathies, is one of the most common neuro-muscular disorders. 80% of patients having CMT disease are diagnosed with per cav...Charcot-Marie-Tooth (CMT) disease, which encompasses several hereditary motor and sensory neuropathies, is one of the most common neuro-muscular disorders. 80% of patients having CMT disease are diagnosed with per cavus deformity. Orthosis is widespread and varies widely in forms. The paper arises the necessity of habilitation at the earliest possible stage as only a few patients use it. The meta-analysis of 412 scientific papers concerning this problem demonstrates the getting better gate, balance and the stopping CMT progression which is scientifically proven. It is also shown that patients with CMT use low prevalence of orthotics, and demonstrate low compliance of patients (for various reasons), high expectations from this habilitation technique.展开更多
文摘Colorectal cancer is the third most common cancer diagnosed worldwide.Although epidemiology data show a marked variability around the world,its overall incidence rate shows a slow but steady decrease,mainly in developed countries.Conversely,early-onset colorectal cancer appears to display an opposite trend with an overall prevalence in United States and European Union ranging from 3.0% and 8.6%.Colorectal cancer has a substantial proportion of familial cases.In particular,early age at onset is especially suggestive of hereditary predisposition.The clinicopathological and molecular features of colorectal cancer cases show a marked heterogeneity not only between early- and late-onset cases but also within the early-onset group.Two distinct subtypes of early-onset colorectal cancers can be identified:a "sporadic" subtype,usually without family history,and an inherited subtype arising in the context of well defined hereditary syndromes.The pathogenesis of the early-onset disease is substantially well characterized in the inherited subtype,which is mainly associated to the Lynch syndrome and occasionally to other rare mendelian diseases,whereas in the "sporadic" subtype the origin of the disease may be attributed to the presence of various common/rare genetic variants,so far largely unidentified,displaying variable penetrance.These variants are thought to act cumulatively to increase the risk of colorectal cancer,and presumably to also anticipate its onset.Efforts are ongoing in the attempt to unravel the intricate genetic basis of this "sporadic" early-onset disease.A better knowledge of molecular entities and pathways may impact on family-tailored prevention and clinical management strategies.
文摘Charcot-Marie-Tooth (CMT) disease, which encompasses several hereditary motor and sensory neuropathies, is one of the most common neuro-muscular disorders. 80% of patients having CMT disease are diagnosed with per cavus deformity. Orthosis is widespread and varies widely in forms. The paper arises the necessity of habilitation at the earliest possible stage as only a few patients use it. The meta-analysis of 412 scientific papers concerning this problem demonstrates the getting better gate, balance and the stopping CMT progression which is scientifically proven. It is also shown that patients with CMT use low prevalence of orthotics, and demonstrate low compliance of patients (for various reasons), high expectations from this habilitation technique.
