Clinical Characteristics of Inflammtory Pseudotumor of the Orbit / 대한이비인후과학회지

ABSTRACT

BACKGROUND AND OBJECTIVES: Inflammatory pseudotumor is not malignant, but similar to malignancy lesions with respect to its clinical and radiological manifestations. It is well-known to opthalmologists and neurosurgeons, but unfamiliar to otolaryngologists. The objective of this study is to determine the diagnosis and treatment of inflammatory pseudotumor of the orbit. SUBJECTS AND METHOD: We reviewed 17 patients who visited Kangnam St. Mary's hospital and were diagnosed with inflammatory pseudotumor with clinical manifestations and radiological studies between September, 1994 and December, 2006. RESULTS: Seventeen patients were treated with high dose steroid, and of these, 12 showed clinical improvement, although 7 of these patients later showed recurrence. Of the five patients who initially showed no clinical improvement, one received radiation therapy but did not show improvement whereas two patients showed no improvement. One patient's symptoms improved after surgical decompression. CONCLUSION: Our study suggests that the initial treatment of inflammatory pseudotumor should be high dose steroid treatment without improvement and the second treatment should be radiation therapy or surgical treatment.