[Nasal endoscope negative pressure cleaning and sinupret drops to treat radiation nasosinusitis].

Objective: To observe the effect of nasal endoscope negative pressure cleaning and sinupret drops to treat radiation nasosinusitis (RNS).

Method: One hundred and fifty-three patients with nasopharyngeal carcinoma were randomly divided into treatment group A, B, C . Group A using nasal endoscope negative pressure cleaning and sinupret drops, group B using nasal endoscope negative pressure cleaning and normal saline spray washing, group C using saline nasal irrigation through nasal catheter.

[Multiple reoperation of recurrent maxillofacial huge dermatofibrosarcoma protuberans].

Objective: To Summary the experience of surgical treatment for many times in 1 case of maxillofacial huge dermatofibrosarcoma protuberans.

Method: The patient was diagnosed with dermatofibrosarcoma protuberans according to the pathological examination. From 2004 to 2011, the patient underwent extensive surgical resection, Mohs micrographic surgery(MMS) and free flap grafting method as surgical treatment for many times, and was closely followed-up after operation.

[Clinical analysis of 23 patients with ossifying fibroma of paranasal sinuses].

Objective: To investigate the clinical features and treatment options of ossifying fibroma of paranasal sinuses.

Method: A retrospective evaluation of twenty-three patients with ossifying fibroma of paranasal sinuses was presented. The choice of surgical operations on ossifying fibroma of paranasal sinuses was mainly decided by the location and area of ossifying fibroma.

[The combined application of dissociate skin flap and vacuum sealing drainage on the defect of the large neck neoplasms after surgical procedures].

Objective: To evaluate the effect of the combined application of dissociate skin flap and vacuum sealing drainage (VSD) for the repairing for defect after surgical management of huge neck neoplasms.

Method: Nineteen patients with huge neck malignant tumor involving the skin of the neck were given radical operation, making use of VSD covering the wound surface. After giving 6.

[Detection and correlation of lipopolysaccharide, vitamin D receptor and matrix metalloproteinase-9 in the middle ear cholesteatoma].

Objective: To investigate the expression and concentration of lipopolysaccharide (LPS) and matrix metalloproteinase-9 (MMP-9) in middle ear cholesteatoma and discuss their relations.

Method: Twenty-nine cases of middle ear cholesteatoma tissue, 18 cases of external auditory canal tissue were detected by limulus amebocyte lysate assay (LAL-assay), and expression of MMP-9 protein in formalin-fixed, paraffin-embedded tissues was detected by immunohistochemical method.

Result: The concentrations of LPS in cholesteatoma were higher than that in external auditory canal tissues.