نتایج جستجو برای: thymic hyperplasia
تعداد نتایج: 50246 فیلتر نتایج به سال:
Dexamethasone induces thymic atrophy and thymocyte apoptosis. In the present study histological and ultrastructural changes which occur in the thymus of the mouse (BALB/c) following treatment with high (20 mg/kg) and low (8 mg/kg) doses of dexamethasone were investigated. In low dose treated mice, apoptotic cells were observed focally and localized mainly in thymic nurse cells (T.N.C.). A z...
discussion thymic cyst must be considered in differential diagnosis of a young child with a cervical mass. introduction ectopic cervical thymic cyst is a very rare cause of neck masses in children. the diagnosis is sometimes very difficult and preoperative, correctly diagnosed thymic cysts in the neck are very low. case presentation we report a 5-year-old boy with a left sided cervical mass and...
Objective The continuous increase in the number of patients presenting with late-onset myasthenia gravis (LOMG) underscores the need for a better understanding of the clinical course and the establishment of an optimal therapeutic strategy. We aimed to clarify factors associated with clinical outcomes in LOMG. Methods We retrospectively reviewed the clinical profiles of 40 patients with early...
less than 5% of prenatal thymoctes express hla-dr before week 12 of gestation. however, the number of hla-dr- positive cells increases during the late second and third trimesters of development. to determine the role of alpha-smooth muscle actin in fetal thymic hla-dr signaling in different stages of development we examined and compared the immunohistochemical expression of alpha-smooth muscle ...
Eighteen patients with exclusively ocular symptoms of myasthenia were thymectomised. Suspected thymoma, resistance to pyridostigmine therapy or relapse following immunosuppressive therapy were taken as indications for surgery. The mean preoperative observation period before operation was 40 months, and after operation was 26 months. There was no operative or postoperative morbidity or mortality...
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