Multiple annular lung metastases from a nasopharyngeal carcinoma
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Multiple annular lung metastases from a nasopharyngeal carcinoma

Ping Ai1, Lingli Tu1, Lan Sun1,2, Kaihong Deng3

1Department of Head and Neck Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, China; 2Department of Oncology, People’s Hospital of Bishan County, Bishan, Chongqing, China; 3Department of Radiology, West China Hospital, Sichuan University, Chengdu, China

Corresponding to:
Lan Sun. Department of Oncology, People’s Hospital of Bishan County, Bishan, ChongQing 402760, China.
Email: sunlan6203@163.com.

Submitted Oct 22, 2012. Accepted for publication Nov 29, 2012.
DOI: 10.3978/j.issn.2223-4292.2012.11.02

A 41-year-old man was diagnosed with “nasopharyngeal carcinoma with multiple lung metastases”. Histological diagnosis was a poorly differentiated, non-keratinizing squamous cell carcinoma. Incidentally, chest CT revealed multiple metastases presented as annular lesions. The annular walls were smooth (Figures 1,2). This case represents a rare pattern of neoplasm metastasis.

Figure 1
Figure 1 Annular lung metastases before chemotherapy. Chest CT scan shows multiple annular lesions (arrowheads)
Figure 2
Figure 2 Annular lung metastases after chemotherapy. Chest CT scan 8 months later exhibits size of annular metastases (arrowheads) has enlarged and their number has increased, accompanied by thickened lesion wall

Acknowledgements

Disclosure: The authors declare no conflict of interest.

Cite this article as: Ai P, Tu L, Sun L, Deng K. Multiple annular lung metastases from a nasopharyngeal carcinoma. Quant Imaging Med Surg 2012;2(4):291. DOI: 10.3978/ j.issn.2223-4292.2012.11.02