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A case of inflammatory pseudotumor of the lung expectorating atypical cells hardly distinguishable from malignant cells



A case of inflammatory pseudotumor of the lung expectorating atypical cells hardly distinguishable from malignant cells



Japanese Journal of Chest Diseases 50(10): 839-843



We present a case with an inflammatory pseudo tumor expectorating atypical cells hardly distinguishable from malignant cells. A 63-year-old man was admitted to the Kobe West Municipal Hospital with chief complaints of cough and fever. A chest film revealed an abnormal pneumonia-like shadow in the left S4. Atypical cells hardly distinguishable from adenocarcinoma were present in his sputum, and atypical metaplastic cells hardly distinguishable from malignant cells were obtained by exfoliative cytology. Since the appearance of atypical resembling malignant cells is very uncommon in benign diseases of the lung, a careful judgment is required to avoid false positive diagnosis.

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Accession: 006932632

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