PMID: 26339415Sep 5, 2015Paper

Rhinoscleroma: a detailed histopathological diagnostic insight

International Journal of Clinical and Experimental Pathology
Ahmed Rh AhmedWaleed A M Abdelhameed

Abstract

Rhinoscleroma (RS) is a chronic specific disease of nose and upper respiratory passages caused by Klebsiella rhinoscleromatis bacilli. It is endemic in Egypt and in sporadic areas worldwide. Diagnosis of RS depends on identification of the pathognomonic Mickulicz cells (MCs) which is most prominent during granulomatous phase but spares or absent during catarrhal or sclerotic phases of the disease. This study aimed to identify the potential diagnostic features of nasal RS when MCs are absent. Nasal biopsies from 125 patients complaining of chronic nasal symptoms were retrieved for this study; including 72 chronic non specific inflammatory lesions and 53 RS diagnosed by PAS and Geimsa stains. The detailed histological differences among the two groups were measured statistically. RS was frequently a bilateral disease (P < 0.05) of young age (P < 0.001) with a female predominance (P < 0.05) and usually associated with nasal crustations (P < 0.001). Five strong histological indicators of RS were specified by univariate binary logistic regression analyses including squamous metaplasia (OR 27.2, P < 0.0001), dominance of plasma cells (OR 12.75, P < 0.0001), Russell bodies (OR 8.83, P < 0.0001), neutrophiles (OR 3.7, P < 0.001) and abs...Continue Reading

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