نتایج جستجو برای: langerhans cell histiocytosis

تعداد نتایج: 1687843  

Journal: :iranian journal of blood and cancer 0

langerhans cell histiocytosis (lch) is a rare disorder described as three different entities including eosinophilic granulomaof bone, the hand-schuller-christian syndrome, and letterer-siwe disease. lch is currently classified into singlesystem lch, and multisystem lch. patients with single system lch have an excellent prognosis, and are mostlytreated with local therapy. multisystem lch is subd...

Journal: :acta medica iranica 0
a. ramyar b. yaghmaie m. monajemzadeh

langerhans cell histiocytosis (lch) is the most common type of childhood histiocytic disorder with an incidence of 0.2 to 1 per 100,000 children under the age of 15 years (1). the clinical picture of lch varies from single system (s-s)bone or skin disease to multi-system disease (m-s) (2). we report a neonate with disseminated papulonodular eruption containing mononuclear cd1a and s100 positive...

Journal: :journal of current ophthalmology 0
فهیمه اسدی آملی fahimeh asadi amoli علی صادقی طاری ali sadeghi tari ناصر کمالیان naser kamalian هدیه مرادی تبریز hedieh moradi tabriz

purpose : fine needle aspiration (fna) cytologic findings of langerhans cell histiocytosis (lch) have been well described, but using this method in the diagnosis of orbital lesions is a recent experience. we hereby report two cases of orbital bone lch diagnosed by fna that later was confirmed by routine h&e; histopathology and immunohistochemistry (ihc) methods. case reports : the first case wa...

Journal: :acta medica iranica 0
alireza ghanadan department of pathology, razi hospital, tehran university of medical sciences, tehran, iran. kambiz kamyab department of pathology, razi hospital, tehran university of medical sciences, tehran, iran. mazaher ramezani department of pathology, kermanshah university of medical sciences, kermanshah, iran. azadeh goodarzi department of dermatology, razi hospital, tehran university of medical scienses, tehran, iran. maryam daneshpajouh department of dermatology, razi hospital, tehran university of medical sciences, tehran, iran. kamran balighi department of dermatology, razi hospital, tehran university of medical sciences, tehran, iran.

indeterminate cell histiocytosis is a very rare disorder of histiocytes proliferation. it has both langerhans and non-langerhans cell histiocytosis immunophenotypic features. we described a 45-year-old man with a 2 years history of multiple yellow-brown papules and a few red nodules on his trunk and extremities. no internal involvement was detected first and after 8 months. as his lesions were ...

Journal: :iranian red crescent medical journal 0
narges gholami assistant professor of pediatrics, loghman hakim hospital, shahid beheshti university of medical sciences, tehran, ir iran; assistant professor of pediatrics, loghman hakim hospital, shahid beheshti university of medical sciences, tehran, ir iran. tel: +98-2155419005, fax: +98-2155417547

conclusions pericardial effusion was a rare finding in this case of langerhans cell histiocytosis. pericardial effusion in langerhans cell histiocytosis, which is an unusual presentation, should be considered when the patient experiences respiratory distress. introduction langerhans cell histiocytosis (lch) is a proliferative disorder of histiocytes in multiple organs. langerhans cell histiocyt...

Dehqan Arash Farshchian Mahmood Mousavi Leila Soltanieh Elahe

Indeterminate cell histiocytosis is a very rare proliferative disorderof histiocytes which displays both langerhans cell histiocytosisand non langerhans cell histiocytosis immunophenotypic features.The majority of the patients develop multiple lesions which areclinically indistinguishable from generalized eruptive histiocytosis.We report a 14-year-old girl with multiple papules on the face,scal...

Journal: :journal of dentistry, tehran university of medical sciences 0
m. gunashekhar postgraduate student, department of pediatric dentistry, school of dentistry, sri ramachandra medica a. ponnudurai 2associate professor, department of pediatric dentistry, school of dentistry, sri ramachandra medica

langerhans cell histiocytosis is a relatively rare unique disease process characterized by an abnormal proliferation of immature dendritic cells usually affecting children and young adults. jaws are involved in less than 10% of children with the disease while mandibular involvement in young children is uncommon and bilateral affection is very rare. the purpose of this report is to describe a un...

ژورنال: کومش 2019
Derakhshan , Samira , Mahdavi , Nazanin , Nikhalat Jahromi , Maryam , Rahrotaban , Sedigheh,

Introduction: Langerhans cell histiocytosis (LCH), which was previously known as histiocytosis X, refers to a group of lesions that stimulate uncontrolled proliferation of cells. The purpose of this case was to report and describe a LCH case with mandibular bone involvement in a 2.5-year-old boy. Case reports: A 2.5 years old boy with LCH of mandibular jaw who has been treated by surgical inter...

2012

Histiocytosis, according to Histiocyte Society2, is traditionally classifi ed into three main groups: Class I: (Langerhans cell histiocytosis), formerly called X histiocytosis Class II: Histiocytosis of other mononuclear phagocytes different from Langerhans cells Class III: Histiocytic malignancies.1,3,4 Nevertheless, Langerhans cell Histiocytosis is the currently preferred term. It is classifi...

F Pazeshkpoor M Soleimani

Langerhans cell histiocytosis includes a broad spectrum of clinical diseases resulted from proliferation and tissue infiltration of differentiated langerhans cells. This term includes Letterer-siwe disease, Hand-Schuller-Christian disease, eosinophilic granuloma and congenital reticulohistiocytosis that are more common in children than adults. This entity has recently been classified into restr...

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