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The relationship between silicosis and tuberculosis is well known. Also other mycobacteria such as Mycobacterium kansasii often occur in association with pneumoconiosis. However, there are few reports describing an association of M. avium-intracellulare complex (MAC) lung disease and pneumoconiosis. The purpose of the present study is to describe clinical(More)
The present study was designed to evaluate the pathological and immunohistochemical findings of Mycobacterium avium intracellulare complex (MAC) lung infection. A retrospective study was performed in five cases with positive cultures for MAC in whom lung resections were performed between January 1989 and December 1996. A determination of whether or not MAC(More)
The aim of this study was to evaluate the changes in chest CT findings examined successively in patients with Mycobacterium avium-intracellulare complex (MAC) infection. We carried out a retrospective study of 25 patients with MAC infection who had serial CT scans. Patients included 18 women and seven men with a median age of 66 years. Mean (+/- SE)(More)
It has been reported that lung cancer is frequently associated with idiopathic pulmonary fibrosis (IPF). The purpose of this study was to compare the intensity of lung infiltrates between the side associated with lung cancer and the side without lung cancer. Twenty-three patients (24 lung cancers) with primary lung cancer associated with pulmonary fibrosis(More)
It has been argued whether bronchiectasis is truly caused by MAC infection or just a predisposed condition in which MAC colonizes. Our present study was designed to evaluate the pathological findings of bronchiectases caused by Mycobacterium avium intracellulare complex (MAC) lung infection and to demonstrate MAC in the lesion of bronchiectases. A(More)
A 76-year-old man was admitted with right hypochondralgia. Computed tomography revealed tumors measuring 90 mm and 20 mm in the right adrenal gland and kidney, respectively. Under a diagnosis of renal and adrenal cancer, the patient underwent nephro-adrenectomy, which revealed renal cell carcinoma in the kidney and non-Hodgkin's B-cell lymphoma of the(More)
The clinical features of 24 patients with non-specific interstitial pneumonia (NIP) were evaluated. The patients consisted of seven men and 17 women, with a median age of 60 years. In seven patients, the disease was idiopathic and eight had collagen vascular diseases. Cough, dyspnoea and fever were frequently observed. The time interval between the onset of(More)
The present study was designed to evaluate the distribution of epithelioid cells, myofibroblasts, and TGF-beta1 in the formation of granuloma caused by Mycobacterium avium intracellulare complex (MAC) lung infection. A retrospective study was performed for 9 cases of positive MAC culture in which lung resections were performed between January 1989 and(More)
We describe the clinical courses of the 3 fatal patients (2 females and 1 male) with idiopathic non-specific interstitial pneumonia (NSIP) among 24 patients with NSIP. Lung biopsies were diagnosed to be NSIP group II in all patients. The clinical courses from onset to death of these 3 patients were 41 months, 46 months, and 91 months. A follow-up chest CT(More)
OBJECTIVE The present study was designed to evaluate the process of cavity formation in Mycobacterium avium intracellulare complex (MAC) lung infection, pathologically and clinically. METHODS Using resected lung specimens, we first evaluated the distribution of MAC as well as the distribution of myofibroblasts in MAC lung infection according to several(More)