• K Oshikawa, Y Sugiyama, and S Kitamura.
• Department of Pulmonary Medicine, Jichi Medical School, Tochigi, Japan.
• Nihon Kyobu Shikkan Gakkai Zasshi. 1995 Sep 1;33(9):1019-23.

AbstractA 64-year-old woman complained of multiple blisters in 1990. She had had a productive cough since 1975. Immunofluorescence study of a specimen obtained from a skin biopsy showed staining in a linear pattern for both IgG and C3 in the epithelial basement membrane zone (BMZ) of the dermal-epidermal junction, and a high titer of anti-BMZ antibody. These findings led to the diagnosis of bullous pemphigoid. Corticosteroid therapy was started, and resulted in some stabilization of the skin lesion. Exertional dyspnea and a productive cough developed gradually, and the patient was referred to our department in 1992. Chest X-ray film and CT findings revealed a diffuse granular shadow and bronchiectatic change, predominantly in the lower lung fields. Laboratory tests showed a high titer of cold hemagglutinin and a high level of serum immunoglobulin A. Pulmonary function tests showed a combined destructive-restrictive defect and hypoxemia (PaO2 = 58.5 Torr). From these findings diffuse panbronchiolitis was diagnosed. A low dose of erythromycin alleviated the patient's pulmonary symptoms and improved the chest radiographic findings.

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