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...

background langerhans cell histiocytosis (lch) is a rare disease in which monoclonal migration and proliferation of specific dendritic cells is seen. the disease primarily affects the bones and skin, but there is a possibility that involves other organs or appears as a multi-systemic disease. case report in oral examination of a nine-month girl, two deep wounds with a yellow membrane with appro...

Langerhans cell sarcoma of the skin is a rare tumor with aggressive behavior. There are reports of Langerhans cell sarcoma involving the skin in patients with underlying systemic Langerhans cell histiocytosis. However, to our knowledge, sarcomatous transformation of skin Langerhans cell histiocytosis, has not been previously described. We report a case of Langerhans cell sarcoma of the skin rep...

this study was conducted to determine the properties of islets of langerhans in pancreas of adult and immature, male and female maquee sheep. for this purpose, 20 samples of pancreas were used equally for each male and female, immature and adult animals. paraffin sections that they were stained by h&e; method were used for mean distribution and dimension of langerhans islets, and maldonado stai...

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...

Background Langerhans cell histiocytosis (LCH) is a rare disease in which monoclonal migration and proliferation of specific dendritic cells is seen. The disease primarily affects the bones and skin, but there is a possibility that involves other organs or appears as a multi-systemic disease. Case Report In oral examination of a nine-month girl, two deep wounds with a yellow membrane with appro...

Tumor lesion of the orbit is found in clinic various oncohematological diseases children. Untimely referral such patients to an oncologist delays timing necessary treatment, thereby worsening prognosis disease. The literature review presents features clinical manifestations orbital pathology children at onset acute myeloid leukemia, sarcoma, lymphoma, Langerhans cell and non-Langerhans histiocy...