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JPTM > Volume 19(2); 2008 > Article
The Korean Journal of Cytopathology 2008;19(2): 206-208.
doi: https://doi.org/10.3338/kjc.2008.19.2.206
Pulmonary Adenocarcinoma with a Micropapillary Pattern Detected by Bronchial Washing: A Brief Case Report.
Jae Hong Park, Seung Yeon Ha, Hyun Yee Cho, Dong Hae Chung, Na Rae Kim, Sanghui Park
Department of Pathology, Gachon University, Gil Hospital, Incheon, Korea. syha@gilhospital.com
ABSTRACT
Adenocarcinomas with micropapillary patterns are generally aggressive and show lymphotropism. Only a few reports on pulmonary adenocarcinoma with micropapillary patterns have described cytologic findings. A 70-year-old Korean woman was admitted to the hospital because of intermittent dry cough and chest pain. Cytology after bronchial washing showed neoplastic cells in small, angulated, cohesive clusters consisting of 3-20 cells without a fibrovascular core. The resected right middle lobe showed a tumor occupying almost the entire lobe. Histologically, about 90% of neoplastic cells proliferated with micropapillary morphology in the background of bronchioloalveolar carcinoma. Cytologic smears of a bronchial washing showing tumor cells in small, cohesive clusters without a fibrovascular core may indicate an adenocarcinoma with micropapillary pattern.
Key Words: Lung; Micropapillary; Cytology