Eiichi Hayashi

Hikone Municipal Hospital, Hikone, Shiga Prefecture, Japan

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Publications (4)2.25 Total impact

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    ABSTRACT: A patient with pulmonary bullae died of massive hemoptysis. At autopsy a hole was observed in the aortic wall. A microscopic examination indicated small Aspergillus lesions in pulmonary bullae and extensive necrotic lesions with Aspergillus hyphae in the media of the thoracic aorta. These findings led to a diagnosis of invasive aspergillosis in the aortic arch. This is a rare case in which Aspergillus invaded the aorta in a patient without hematologic neoplasms or neutropenia.
    Preview · Article · Dec 2014 · Medical Mycology Case Reports
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    Yasuki Uchida · Mitsuhiro Tsukino · Eiichi Hayashi

    Preview · Article · Jun 2013 · Case Reports
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    ABSTRACT: Mucormycosis is a rare complication in immunocompromised patients. Antemortem diagnosis of mucormycosis is difficult and often incorrect. We report a case of pulmonary mucormycosis caused by Cunninghamella bertholletiae in an elderly man with interstitial pneumonia. The diagnosis of mucormycosis was established by bronchoalveolar lavage. A coexisting immune deficiency condition was considered. Lung cancer was suspected because of an elevated progastrin-releasing peptide level and bilateral hilar and mediastinal lymphadenopathy; it was diagnosed after performing endoscopic ultrasound-guided fine-needle aspiration. Treatment by intravenous liposomal amphotericin B was effective, but relapse occurred because of bone marrow suppression caused by chemotherapy for lung cancer. Treatment for mucormycosis was resumed, but the patient died of carcinomatous lymphangiosis. Autopsy confirmed the diagnosis of pulmonary mucormycosis and revealed refractory anaemia with small cell lung cancer. Mucormycosis often occurs in immunocompromised patients, but this case is rare because the mucormycosis was diagnosed before the diagnosis of malignancy. Because prognosis is often poor, the possibility of coexisting malignancies should always be investigated in patients with mucormycosis infections.
    Preview · Article · Jul 2012 · Journal of Medical Microbiology
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    ABSTRACT: A 65-year-old man who had suffered from traumatic spinal cord injury had chronic lumbar pain. He had exacerbation of lumbar pain and intermittent fever and consulted several doctors, but the cause of the lumbar pain was unknown. An orthopedic specialist took an MRI. Spinal MRI showed increased signal intensity at the level of T10-11 and a mass in his right lower lung field, so he was referred to our hospital. Two transbronchial lung biopsy procedures failed to obtain malignant cells. CT guided biopsy showed fibrous and hyalinizing tissue contained plasma cells and lyphocytes. Staphylococcus aureus was cultured from the second bronchial lavage fluids of brush and blood cultures, so we began administration of ampicillin-sulbactam. Avoiding threatened or actual cord compression due to collapse resulting from spinal instability, posterior fusion with instrumentation was done through the back of his chest wall. At once, bone biopsy was done, and showed no malignant cells. As soon as antibacterial treatment was stopped after the operation, he had bloody sputa and fever. The antibacterial agent was resumed and the symptoms improved. The mass decreased in size and lumbar pain improved gradually, so we concluded the diagnosis was pyogenic spondylitis caused by S. aureus. After about 5 months of antibacterial treatment, the tumor substantially diminished.
    No preview · Article · Sep 2011