PURPOSE: data about pneumonia caused by respiratory viral infections in Egypt are limited .This study described the epidemiological pattern and outcome of pneumonia cases caused by viruses between 2010-2014. METHODS: SARI surveillance was carried out at CUH during the period 2010-2014. All hospitalized adults and pediatric patients meeting the WHO case definition criteria for SARI were enrolled. Nasopharyngeal/oropharyngeal swabs were collected and samples were tested using reverse transcription-PCR for influenza A, B, respiratory syncytial virus, human metapneumovirus, parainfluenza viruses 1, 2, 3, 4, adenovirus, human bocavirus, coronavirus, enterovirus, rhinovirus, and atypical bacteria (Mycoplasma spp., Chlamydia spp., and Legionella spp.).CXR was done withing 24 hours from admission. follow up clinical course over the period of admission was conducted.

In the mediastinum, Schwannomas are fairly common. Endobronchial position is extremely uncommon, with only a few cases reported in the literature.CASE PRESENTATION: An 80-year-old man presented in the emergency department with a 3-day history of fever 39 •C, general malaise, dry cough, myalgia, headache &loss of appetite. Chest X-ray on admission (IMAGE 1) revealed partial right lower lobe collapse (RLL). A diagnosis of aspiration pneumonia secondary to dysphagia was established, received AB with chest physiotherapy with gradual improvement of his condition. CKD, former smoker SI 20, AF, daistoic dysfunction. Then the patient started to be deteriorated with decrease conscious level due to metabolic cause where invasive mechanical ventilation was initiated. CXR was done which revealed left lower lobe collapse. IMAGE 2). Fiberoptic bronchoscopy showed Mucous plug obstructing left lower lobe bronchus which relieved by frequent suction.a nodule in the left bronchial tree, at the ridge between left upper lobe bronchus and left lower lobe bronchus. (IMAGE 3) The nodule was about 1 cm diameter, surface was smooth, shiny and vascularized. o Bronchoscopic removal of this nodules with mild bleeding which controlled spontaneously.o Another nodule on right side detected on ridge between right lower lobe bronchus and middle lobe bronchus. (IMAGE 4) Microscopic description:Given microphotographs (IMAGE 5 and IMAGE 6 display histological features of Bronchial schwannoma, comprising of a relatively circumscribed sub bronchial spindle cell neoplasm showing compact hypercellular (Antoni A) and hypocellular (Antoni B) areas. Nuclear palisading around fibrillary process (verocay bodies) is also appreciable.Cytologicaly cells are narrow, elongated and wavy with tapered ends interspersed with collagen fibers. Tumor cells have ill-defined cytoplasm, dense chromatin and mild atypia. No mitotic figures identified.o (IMAGE 7) S100: Immunohistochemical stains show diffuse S100 positivity. Extended panel of immunohistochemical including Cytokeratin, CD117, SMA, CD34 and H-Caldesomon also performed and all turns negative.consultation to thoracic surgery team was done to elect the best way of management as the patient has is not candidate for surgery at time being.

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