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1.  Thoracic inlet syndrome – a diagnosis made on CT pulmonary angiogram 
BMJ Case Reports  2012;2012:bcr1120115185.
doi:10.1136/bcr.11.2011.5185
PMCID: PMC3316839  PMID: 22605594
2.  Bronchiolitis obliterans organising pneumonia: a consequence of breast radiotherapy 
BMJ Case Reports  2012;2012:bcr1020114987.
The authors describe a case of 51-year-old woman who presented with breathlessness following radiotherapy for breast carcinoma. A chest radiograph and thoracic CT scan revealed extensive airspace consolidation affecting right upper and lower lobes. A trans-bronchial biopsy revealed evidence of foamy macrophages and fibroblastic plugs within alveoli, consistent with organising pneumonia. Indirect immunofluorescence microscopy revealed evidence of antiepithelial antibodies. Gradual but complete resolution occurred without any specific treatment. This case highlights the importance of considering radiation induced bronchiolitis obliterans organising pneumonia in the context of parenchymal shadowing following radiotherapy. Although corticosteroids are widely recommended for treatment, this case illustrates that organising pneumonia may resolve spontaneously.
doi:10.1136/bcr.10.2011.4987
PMCID: PMC3263019  PMID: 22665870
3.  An unusual cause of miliary radiographic pattern 
BMJ Case Reports  2011;2011:bcr1020115060.
doi:10.1136/bcr.10.2011.5060
PMCID: PMC3233948  PMID: 22669771
5.  Comparison of the effect of high-dose inhaled budesonide and fluticasone on adrenal function in patients with severe chronic obstructive pulmonary disease 
Annals of Thoracic Medicine  2012;7(3):140-144.
INTRODUCTION:
Chronic obstructive pulmonary disease (COPD) is a leading cause of respiratory-related morbidity and mortality. Inhaled steroids are frequently used in patients with moderate to severe disease and may lead to adrenal suppression.
OBJECTIVES:
The aim of this study was to compare the effect of inhaled budesonide/formoterol with inhaled fluticasone/salmeterol in severe COPD.
METHODS:
It was a prospective open-label crossover study of 22 patients. Adrenal suppression was measured by overnight urinary cortisol/creatinine ratio. The measurements were taken while patients were on either combination for at least 4 weeks.
RESULTS:
A total of 12 patients completed the study. The mean age was 64 years (8 males, 4 females). The mean FEV1 was 1 L (range, 0.5-1.8). There was no significant difference in adrenal suppression measured by overnight urinary cortisol/creatinine ratio (budesonide 5.2 ± 4.3, fluticasone 4.7 ± 3.1; 95% CI -2.2 to 1.2; P = 0.52) and urinary cortisol concentration (budesonide 51 ± 53, fluticasone 43 ± 31 [nmol/l]; 95% CI -35 to 20; P = 0.56).
CONCLUSION:
Inhaled budesonide and fluticasone have no significantly different effect on adrenal function in moderate to severe COPD. The adverse event profile of high-dose inhaled steroids should not influence the choice of medication.
doi:10.4103/1817-1737.98846
PMCID: PMC3425045  PMID: 22924071
Adrenal suppression; COPD; cortisol-creatinine ratio; inhaled corticosteroids
6.  A case of limbic encephalitis presenting as a paraneoplastic manifestation of limited stage small cell lung cancer: a case report 
Introduction
The differential diagnosis of altered mental status and behavioral change is very extensive. Paraneoplastic limbic encephalitis is a rare cause of cognitive impairment, which should be considered in the differential diagnosis.
Case presentation
A 64-year-old British Caucasian woman presented to our hospital with a 12-week history of confusion and short-term memory loss. She was hyponatremic with a serum sodium level of 128mmol/L. Moreover, there was evidence of left hilar prominence on the chest radiograph. A thoracic computed tomography scan showed left hilar opacity with confluent lymphadenopathy. A percutaneous biopsy confirmed a diagnosis of small cell lung cancer. There was no radiological evidence of brain metastasis on the computed tomography scan. In view of continued cognitive impairment, which was felt to be disproportionate to hyponatremia, a magnetic resonance imaging scan of the brain was undertaken. It showed hyperintense signals from both hippocampi, highly suggestive of limbic encephalitis presenting as a paraneoplastic manifestation of small cell lung cancer. She had a significant radiological and clinical response following chemotherapy and radiotherapy.
Conclusion
This case highlights the importance of considering paraneoplastic syndromes in patients with neurological symptoms in the context of lung malignancy. If initial investigations fail to reveal the cause of cognitive impairment in a patient with malignancy, magnetic resonance imaging may be invaluable in the diagnosis of limbic encephalitis. The clinical presentation, diagnostic techniques and management of paraneoplastic limbic encephalitis are discussed in this case report.
doi:10.1186/1752-1947-4-408
PMCID: PMC3018402  PMID: 21167030
7.  Gastroesophageal Reflux and Idiopathic Pulmonary Fibrosis: A Review 
Pulmonary Medicine  2010;2011:634613.
The histological counterpart of idiopathic pulmonary fibrosis is usual interstitial pneumonia, in which areas of fibrosis of various ages are interspersed with normal lung. This pattern could be explained by repeated episodes of lung injury followed by abnormal wound healing responses. The cause of the initiating alveolar epithelial injury is unknown, but postulated mechanisms include immunological, microbial, or chemical injury, including aspirated gastric refluxate. Reflux is promoted by low basal pressure in the lower oesophageal sphincter and frequent relaxations, potentiated by hiatus hernia or oesophageal dysmotility. In susceptible individuals, repeated microaspiration of gastric refluxate may contribute to the pathogenesis of IPF. Microaspiration of nonacid or gaseous refluxate is poorly detected by current tests for gastroesophageal reflux which were developed for investigating oesophageal symptoms. Further studies using pharyngeal pH probes, high-resolution impedance manometry, and measurement of pepsin in the lung should clarify the impact of reflux and microaspiration in the pathogenesis of IPF.
doi:10.1155/2011/634613
PMCID: PMC3115688  PMID: 21738875
9.  A Case Presentation of a Large Rhinolith 
Oman Medical Journal  2010;25(3):230-231.
Rhinolith is like a stone formation within the nasal cavity. Although stones rarely form in the nasal cavity, the findings of calcified objects or stones anywhere within the body has long been a subject of interest. Though infrequently observed, nasal concretions can be the source of bad smell from the nose and therefore a social concern for the patient. The salient features of such Rhinoliths and their relevance to clinical practice are discussed and a case of a large Rhinolith is presented in this article. So as to enable the attending clinician to be aware of this forgotten entity, which requires a high index of suspicion.
doi:10.5001/omj.2010.64
PMCID: PMC3191639  PMID: 22043345

Results 1-9 (9)