Characteristics of Extranodal NK/T-Cell Lymphoma, Nasal Type, Compared with Nasal Diffuse Large B-cell Lymphoma

Background: Extranodal NK/T-cell lymphoma, nasal type (ENKL), is an aggressive tumour with poor prognosis.Its early diagnosis may improve the prognosis of patients; however, it is often overlooked in many cases and misdiagnosed as an inflammatory sinus disease during its initial stage.Identifying the clinical characteristics of ENKL may aid otorhin

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The Soviet-Mongolian Comprehensive History and Culture Research Expedition: 1969 (Celebrating the 50th Anniversary of the Soviet-Mongolian Academic Expeditions)

Goals.The article introduces into scientific discourse materials dealing with the history of ethnography research of Mongolic peoples.The work publishes a diary kept by the author during the Soviet-Mongolian Comprehensive History and Boot Culture Research Expedition.The expedition began its work in 1969, and the diary covers the events of 27 Septem

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Well wall water leakage control technology of vertical well drilling method in coal mines based on grouting of ground directional drilling

The coal mine drilling shaft wall is a single-layer structure, and water leakage in the deep alluvium will seriously threaten mine safety.If there are construction defects in the stubble part of the well wall at the construction stage, it will lead to groundwater corrosion and rust through the metal and the weld seam of the stubble part, resulting

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