Publications by authors named "Naoki Yamaoka"

A 72-year-old woman who was undergoing treatment for bronchial asthma and psoriasis vulgaris experienced malaise three months earlier and visited our hospital on account of abnormal lung shadows. Chest computed tomography revealed ground-glass opacities in the peripheral lung fields and eosinophilia in the bronchoalveolar lavage fluid, which suggested eosinophilic pneumonia. Antineutrophil cytoplasmic antibody was negative.

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Objective: To clarify the frequency of imaging findings similar to mycobacterial infection and the characteristics of comorbid pulmonary non-tuberculosis mycobacteriosis in the patients with allergic bronchopulmonary mycosis (ABPM).

Subjects And Methods: Patients treated with ABPM at our hospital in the past 8 years were extracted from medical records, and 32 patients who met the clinical diagnostic criteria were retrospectively examined.

Results: The median age was 62.

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A 74-year-old man developed with left pleural effusion and was suspected of benign asbestos pleural effusion and tuberculous pleurisy. Because of elevation of ADA level in the pleural effusion, diagnostic treatment for tuberculous pleurisy by anti-tuberculosis drugs was performed. However, right pleural effusion, cutaneous/mucosal lesions, leukocytopenia, and fever elevation occurred.

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A 70-year-old woman undergoing long-term treatment for systemic scleroderma and secondary Sjögren syndrome developed fever during tapering of steroids. Chest CT showed centrilobular granular shadow and ground glass opacities. The pathology of transbronchial lung biopsy and the findings of bronchoalveolar lavage fluid were consistent with hypersensitivity pneumonitis and positive for anti-Trichosporon asahii antibody.

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Background: Diagnosis of pulmonary tuberculosis is usually made by diagnostic imaging such as chest X-ray or computed tomography (CT), and sputum test including smear and polymerase chain reaction (PCR) test. However there is difficulty in making diagnose when atypical imaging and negative sputum test are presented, followed by diagnostic delay.

Case: A 26-year-old man from Philippines consulted other clinic because of dry cough and was pointed out mass shadow in right upper lung field in his chest CT.

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A 71-year-old man was admitted with high fever, thirst, polyposia and polyuria. After examination, lung cancer (adenocarcinoma T1NOM1, Stage IV) and central diabitus insipidus caused by pituitary metastasis of lung cancer, were diagnosed. We gave him desmopressin acetate, gamma knife surgery for pituitary metastasis and chemotherapy with paclitaxel and carboplatin, and his symptoms improved.

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The patient was a 32-year-old man in whom pulmonary tuberculosis had occurred 5 years after the presumptive onset of pulmonary alveolar proteinosis. A diagnosis of pulmonary tuberculosis was made by sputum smears positive for acid-fast bacilli. Computer tomography of the chest showed ground glass opacities, consolidation and cavitation.

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