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Salivary Gland Choristoma of the Middle Ear and Review of the Literature

International Journal of Otolaryngology and Head & neck Surgery 2013年第6期2卷 215-220页

作者： Serafín Sánchez Gómez Juan Manuel Maza Solano josé ramón armas padrón Francisco Refolio Sánchez Tomás Francisco Herrero Salado Virgen Macarena University Hospital Seville Spain

Conductive hearing loss due to middle ear masses is uncommon and usually diagnosed after biopsy. We present a case of a permanent facial palsy occurred following an uneventful biopsy during an exploratory tympanotomy in a salivary gland choristoma of the middle ear. Most salivary gland choristomas have been found in the head and neck. Its location in the ear is extremely rare, and thus we present the 38th case in English and non-English literature from the first publication by Taylor in 1961. Complete surgical removal of salivary gland choristomas of the middle ear is indicated when may not result in permanent damage to the facial nerve. Only biopsy and observation are recommended when the mass is intimately associated with the facial nerve or there are unsafe facial nerve abnormalities. Although the facial nerve is involved in 40% of cases, transient or even permanent facial palsies are exceptional. The reactivation of latent herpes virus in the facial canal may be involved in facial palsy’ etiology following minimal and uneventful middle ear surgery like a biopsy rather than nerve injury related to facial canal malformations.

关键词： Salivary Gland Choristoma Middle Ear Facial Palsy Herpesvirus Reactivation

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Integrated nuclear techniques for sedimentation assessment in Latin American region

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International Soil and Water Conservation Research 2020年第4期8卷 406-409页

作者： joséLuis Peralta Vital Reinaldo Honorio Gil Castillo Yanna Llerena padrón Yusleidy Milagro Cordovi Miranda naymi Labrada Arevalo Leroy Alonso Pino Environmental Impact Assessment Group Center of Radiation Protection and HygieneLa HabanaZip Code 10600Cuba

The paper shows the novel techniques introduction in the region of Latin America and the Caribbean in order to strengthen the surveillance and monitoring of the sedimentation phenomenon in the surface water reservoirs.The integrated use of the nuclear techniques allows a more complete assessment of water and land sustainability.With the development of a regional project,supported by the International Agency of Atomic Energy,Cuba participates as technical leader for 15 countries,to encourage and implement the integrated application of 3 nuclear techniques(Fallout Radionuclides(137Cs,7Be,210pb),Compound Specific Stable Isotopes(fatty acids of the(e)13C)and the Isotopic Hydrology(18O,2H,3H).The methodology used in the last studies referred to RLA 5076 Project is to apply the integration of these three techniques allows evaluating,in the hydraulic facilities and surface water reservoirs,the negative sedimentation impacts in natural and anthropic process as environmental and social risk.These techniques evaluate the sedimentation process and its synergy,obtaining since the soil quantification in the landscape,definition the soil origin deposited until the dynamic characterization of the water body as soil receptor.The integrated application of these nuclear techniques in the Project RLA-5076 confirms it as a useful tool to support the decisions makers in the definition of the national strategies and programs related to the land and the water resources sustainability.With the support of the IAEA projects in the Latin American and Caribbean region,has been evidenced an important increment in the use of these novel techniques.

关键词： nuclear technique Sedimentation Water reservoir Soil Land Hydric resources

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