Clinical and Histopathological Aspects in Otomastoiditis.
ROMANIAN JOURNAL OF MORPHOLOGY AND EMBRYOLOGY(2009)
摘要
We aimed to establish correlations between the clinical manifestations and histopathological changes occurring in otomastoiditis. To this effect, we have made a retrospective clinical and statistical study on a number of 146 patients diagnosed with otomastoiditis, admitted in the Otorhinolaryngology Clinic of the Emergency County Hospital, Craiova, during 2003-2007. Of the 146 patients, 128 (87.67%) were suggested to follow a radical surgical treatment (total petromastoidian evidation), in 10 cases (6.85%) a partial petromastoidian evidation was performed, and in eight cases (5.48%) there were made reappraisals of the petromastoidian evidation cavities. When the surgical procedures were performed, there were collected fragments of mucous from the middle ear or from the mastoid cavities, which were sent for examination to the Laboratory of Anatomical Pathology, where there were performed classical histological (Hematoxylin-Eosin and trichromic Van Gieson) and immunohistochemistry staining. The clinical and statistical study emphasized the fact that the onset of the disease was chronic in 143 patients (97.95%) and of acute type in three patients (2.05%). Taking into account the medical history of the patients, repeated episodes and incorrectly treated of acute infections of the middle ear (otitis) were found in most cases, amounting to a percentage of 97.95%. The distribution of the patients on the five years was relatively uniform, in 2003 - 24 cases (16%), in 2004 - 36 cases (25%), in 2005 - 28 cases (19%), in 2006 - 25 cases (17%), in 2007 - 33 cases (23%), and the most affected age groups were 21-30-year-old (19.86%) and 51-60-year-old (21.92%). Analyzing the cases included in the studied group emphasized the fact that for a relatively large percentage of patients (87.67%) it was required as an immediate necessity the surgical procedure of total petromastoidian evidation, due to the extensive damages, the negligence of the patients that did not contact in proper time a medical specialist. The most frequent histopathological diagnose was of cholesteatoma in 60 cases (41.10%), fact which also grounded the surgical procedure. Immunohistochemical and microscopic study highlighted in the epithelium areas of necrosis, associated with areas of reactive hypertrophy and hyperplasia, and in the chorion, the existence of a chronic inflammatory infiltrate made up of lymphocytes, plasmocytes and macrophages. The immunohistochemistry studies stressed the preponderant presence of T-lymphocytes and macrophages in the chorion of the mucous of the middle ear, confirming the presence of an immune reaction, predominantly of cellular type.
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关键词
otomastoiditis,otalgia,cholesteatomas,petromastoidian evidation
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