A case of hypersensitivity pneumonitis with giant cells in a female dental technician.

Objectives: Dental technicians are exposed to methyl methacrylate(MMA) and hard metal dusts while working, and several cases of hypersensitivity pneumonitis caused by the exposure have been reported. The authors experienced a case of hypersensitivity pneumonitis in a female dental technician who had 10 years' work experience and report the case with clinical evidence.

Method: The patient's work, personal, social, and past and present medical histories were investigated based on patient questioning and medical records.

CT, MR, and angiography findings of a solitary fibrous tumor of the larynx: a case report.

This report details the CT, MR, and angiography findings of a solitary fibrous tumor involving the larynx of a 34-year-old man. A precontrast CT scan revealed a well-defined isodense mass in the submucosal region of the supraglottic larynx. The tumor appeared as a mixed intensity lesion on the T1- and T2-weighted MR images.

The prevalence and significance of incidental thyroid nodules identified on computed tomography.

Purpose: The purpose of this study was to assess the prevalence of incidental thyroid nodules (ITN) found on computed tomography (CT) of the neck and to determine whether CT characteristics could distinguish malignant from benign thyroid lesions.

Materials And Methods: We retrospectively reviewed CT scans in 734 patients without known thyroid disease (384 men and 350 women; mean age, 49.8 +/- 13.