Journal of Cytology
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CASE REPORT
Year : 2009  |  Volume : 26  |  Issue : 2  |  Page : 74-76

Cytologic features of pulmonary blastoma


1 Department of Pathology, Sri Ramachandra University, Chennai, India
2 Department of Medicine, Sri Ramachandra University, Chennai, India

Correspondence Address:
C N Sai Shalini
Department of Pathology, Sri Ramachandra University, Chennai
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0970-9371.55226

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Pulmonary blastomas are rare lung neoplasms constituting 0.5% of all lung tumors. This tumor has an aggressive course and needs to be recognized on cytology. A preoperative diagnosis of pulmonary blastoma is difficult to obtain by cytopathologic methods. A diagnosis of biphasic pulmonary blastoma should be considered when there is a dimorphic population of cells on cytology. A 30-year-old male presented with gradually progressing breathlessness and left-sided chest pain for the past one month. Chest radiograph and computed tomography of thorax revealed an anterior mediastinal mass that was subjected to ultrasound-guided fine-needle aspiration cytology. Aspiration cytology showed a highly cellular lesion with a dimorphic population of tumor cells in a necrotic background. The possibility of a non-small cell carcinoma was suggested. Subsequent histopathology revealed the tumor to be a pulmonary blastoma. The importance of recognizing the dimorphic population of cells in cytology is discussed.


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