نتایج جستجو برای: emperipolesis

تعداد نتایج: 125  

Bibi Shahin Shamsian, Maryam Kazemi Aghdam, Mohammad Kaji Yazdi, Mohammad Taghi Arzanian, Mohsen Rouzrokh, Nahid Arabi, Nozar Ghojehvand, Roksana Azma, Samin Alavi,

Rosai-Dorfman disease or sinus histiocytosis with massive lymphadenopathy is a rare disorder that typically manifests as lymphadenopathy and systemic symptoms whose etiology remains poorly elucidated. The diagnosis is based on immunohistochemistry. Its treatment is poorly defined but the prognosis is usually favorable. Here we report a 14 year old boy who presented with massive bilateral cervi...

Journal: :British Journal of Haematology 1981

2017
Pengcheng Zhu Naping Li Lu Yu Mariajose Navia Miranda Guoping Wang Yaqi Duan

Histiocytosis is an uncommon disease characterized by excessive accumulation of histiocytes. Here, we report a rare case of non-Langerhans-cell histiocytosis in a 51-year-old woman who presented with severe symptoms of pericardial effusion. Radiologic investigation also detected multiple bone (lower limbs, vertebrae, ribs, and ilium) lesions. Resected pericardium showed abundant mono- or multi-...

2015
Richard E Slavin John Swedo

Benign retroviral infections are common but are usually not recognized. This histologic and ultrastructural study identifies such an infection that became clinically evident in the small bowel following a partial colectomy for multiple micro invasive adenomas. Suspected is a low-grade retroviral infection of myeloid progenitor cells activated by inflammatory cytokines released by the operative ...

Journal: :iranian journal of blood and cancer 0
bibi shahin shamsian nahid arabi maryam kazemi aghdam mohsen rouzrokh nozar ghojehvand roksana azma

rosai-dorfman disease or sinus histiocytosis with massive lymphadenopathy is a rare disorder that typically manifests as lymphadenopathy and systemic symptoms whose etiology remains poorly elucidated. the diagnosis is based on immunohistochemistry. its treatment is poorly defined but the prognosis is usually favorable. here we report a 14 year old boy who presented with massive bilateral cervic...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2011
Volker Benseler Alessandra Warren Michelle Vo Lauren E Holz Szun S Tay David G Le Couteur Eamon Breen Anthony C Allison Nico van Rooijen Claire McGuffog Hans J Schlitt David G Bowen Geoffrey W McCaughan Patrick Bertolino

Although most self-reactive T cells are eliminated in the thymus, mechanisms to inactivate or control T cells specific for extrathymic antigens are required and exist in the periphery. By investigating the site in which autoreactive T cells are tolerized, we identify a unique mechanism of peripheral deletion in which naïve autoreactive CD8 T cells are rapidly eliminated in the liver after intra...

Journal: :Turkish neurosurgery 2015
Amoolya Bhat Shivakumar S Kupanur V Geethamani

Sinus histiocytosis with massive lymphadenopathy or Rosai-Dorfman disease (RDD) is a reactive condition of unknown etiology, characterised by a proliferation of histiocytes exhibiting emperipolesis of lymphocytes and plasma cells. It usually presents as bilateral painless cervical lymphadenopathy. Extranodal RDD without nodal disease is seen in 23% of the cases. Intracranial RDD occurs in less ...

Journal: :acta medica iranica 0
naraghi m madani sz kashfi a

a 35-year-old man was admitted because of a 2-year history of nasal obstrction, a nasopharyngeal mass, malaise, and massive cervical lymphadenopathy. nasal symptoms and nasopharygeal mass were due to rhinoscleroma that was confirmed by an incisional biopsy and culture. the patient underwent cervical lymph node biopsy and culture. the patient underwent cervical lymph node biopsy that revealed th...

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