Some chains of inequalities of Hua-Wang type are established. These interesting results are the generalizations of some known inequalities. One of the new methods establishing inequalities is based on Sandor's goo...Some chains of inequalities of Hua-Wang type are established. These interesting results are the generalizations of some known inequalities. One of the new methods establishing inequalities is based on Sandor's good idea; another is applying the characteristics of nonlinear positive functionals.展开更多
Atypical lipomatous tumor (ALT) of the laryngopharynx is rare.Here we report five cases to demonstrate their clinicopathological features.The patients were four males and one female,aged 41 to 69 years (median 53.6 ye...Atypical lipomatous tumor (ALT) of the laryngopharynx is rare.Here we report five cases to demonstrate their clinicopathological features.The patients were four males and one female,aged 41 to 69 years (median 53.6 years).All tumors (two in the hypopharynx and three in the larynx) presented as a slowly growing,painless mass.Symptoms included dysphagia (2/5),dysphonia (3/5),and the feeling of a foreign body in the throat (5/5).Tumors were well circumscribed or focally infiltrative,ranging from 2.0 to 5.0 cm (median,3.4 cm) in size,and microscopically showed the typical features of lipoma-like ALT.Immunohistochemically,tumor cells were stained with S-100,vimentin,murine double minute 2 (MDM-2),and cyclin-dependent kinase 4 (CDK4).Two patients had local tumor recurrences at 6 and 14 months after initial surgery during follow-up.ALT of laryngopharynx is an indolent tumor.Immunohistochemical staining for MDM-2 and CDK4 is helpful in pathological diagnosis.展开更多
文摘Some chains of inequalities of Hua-Wang type are established. These interesting results are the generalizations of some known inequalities. One of the new methods establishing inequalities is based on Sandor's good idea; another is applying the characteristics of nonlinear positive functionals.
文摘Atypical lipomatous tumor (ALT) of the laryngopharynx is rare.Here we report five cases to demonstrate their clinicopathological features.The patients were four males and one female,aged 41 to 69 years (median 53.6 years).All tumors (two in the hypopharynx and three in the larynx) presented as a slowly growing,painless mass.Symptoms included dysphagia (2/5),dysphonia (3/5),and the feeling of a foreign body in the throat (5/5).Tumors were well circumscribed or focally infiltrative,ranging from 2.0 to 5.0 cm (median,3.4 cm) in size,and microscopically showed the typical features of lipoma-like ALT.Immunohistochemically,tumor cells were stained with S-100,vimentin,murine double minute 2 (MDM-2),and cyclin-dependent kinase 4 (CDK4).Two patients had local tumor recurrences at 6 and 14 months after initial surgery during follow-up.ALT of laryngopharynx is an indolent tumor.Immunohistochemical staining for MDM-2 and CDK4 is helpful in pathological diagnosis.
