نتایج جستجو برای: langerhans cells
تعداد نتایج: 1388150 فیلتر نتایج به سال:
Langerhans cell histiocytosis (LCH) is an abnormal proliferation of Langerhans cells in one or more organs; bone is the most frequently involved organ in which the skull is the most frequent .The clavicle is rarely the primary site of the LCH, thereby the timely diagnosis is often delayed and most of the patients are primarily treated for acute or chronic osteomyelitis. Herein we report a 10 ye...
Langerhans cells are antigen presenting dendritic cells and tumours arising from these are rare. The tumours arising from these dendritic cells are divided into two categories according to a WHO classification: Langerhans cell histiocytosis and Langerhans cell sarcoma. It is the degree of atypia and clinical aggressiveness that distinguishes the two subtypes. Langerhans cell sarcoma (LCS) is a ...
Langerhans cell histiocytosis (LCH) is a clonal disorder believed to be derivedfrom cells of the dendritic system. Fascin, a 55-kd actin-bundling protein, represents a highly selective marker for dendritic cells of lymphoid tissues and peripheral blood and is involved in the formation of dendritic processes in maturing epidermal Langerhans cells. Since lesional cells of LCH may represent Langer...
Introduction: Since aloe vera plant has many medical benefits, the present study aimed to investigate the protective effects of Aloe vera gel on the pancreatic islets and beta cells. Methods: This experimental study consisted of 50 mature male rats aged 2-3 months and weighed 200-250 g, who were randomly divided into five groups (n=10). Group I (control) did not receive any treatments, and g...
Background & Aims: Dry type localized cutaneous Leishmaniasis due to Leishmania tropica is one of the most prevalent cutaneous parasitic infections in Kerman province. It seems that cellular immune response and the nature of immune inflammatory cells comprising the inflammatory background play a determinant role in this infection. Methods: Skin biopsies of 53 patients with acute(<2 years durati...
Langerhans Cell Disease (LCD), formerly known as Histiocytosis X, is a rare disorder characterized by a proliferation of cells exhibiting phenotypic characteristics of langerhans cells. The etiology and pathogenesis of this disease is unknown. It can occur as focal or disseminated form-acute or chronic. Oral manifestations may be the first signs. In this report a 2-year old boy is presented. He...
Pulmonary Langerhans cell granulomatosis is defined as an abnormal Langerhans cells infiltration in the lungs. Multifocal involvement is unusual, however. We report 3 cases of pulmonary Langerhans cell granulomatosis combined with either rib, thyroid or hypothalamus involvement.
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