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Query: UMLS:C0262471 (ENT)
 5,307 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Orbital pseudotumor is a nonspecific inflammatory process of unknown etiology that can be divided histopathologically into three basic types: granulomatous, lymphoid, and sclerosing. Between 1995 and 1998, 12 patients with pseudotumor orbitae were treated in the ENT Department of the University of Saarland. Histopathological examination showed granulomatous type of pseudotumor in six, lymphoid in three, and sclerosing in three patients. In seven cases the pseudotumor orbitae were medially located and in four cases laterally. In one patient nearly all orbital structures were infiltrated. Diagnostic biopsy was taken endonasally in six cases, via medical orbitotomy in two cases, and via lateral orbitotomy in four cases. Due to their good delimitation lymphoid and sclerosing tumors were extracted completely during diagnostic biopsy and patients were free of complaints after a few weeks. The six patients with granulomatous pseudotumor were treated primarily with steroids after the diagnosis had been definitely confirmed by histology. In three of those six cases a second course of steroid therapy had to be given, with positive results in two cases. Follow-up was between 6 and 28 months (mean 16 months). There were no postoperative complications. The clinical and radiographic presentation of the pseudotumors can vary greatly. Therefore, the differential diagnosis of specific infections or neoplasms can only be established through diagnostic biopsy. Different rhinosurgical approaches provide clear biopsy results and in some cases the pseudotumor is even completely removed.
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PMID:[Diagnosis and therapy of pseudotumors of the orbits]. 1105 54