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A Case of Atypical Adenomatous Hyperplasia of Larger Than 2 cm

Tuberculosis & Respiratory Diseases / Tuberculosis & Respiratory Diseases,
2013, v.74 no.6, pp.280-285
Bo Mi Park (Chungnam National University School of Medicine)
Min Ji Cho (Chungnam National University School of Medicine)
Hyun Seok Lee (Chungnam National University School of Medicine)
Dong Il Park (Chungnam National University School of Medicine)
Myoung Rin Park (Chungnam National University School of Medicine)




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Abstract

Atypical adenomatous hyperplasia (AAH) has been considered to be a precursor lesion of bronchioloalveolar carcinoma (BAC) and pulmonary adenocarcinoma. It usually coexists with BAC and/or an adenocarcinoma. Chest computed tomography reveals multiple well-defined nodules with ground-glass opacity. Usually, AAH does not exceed 10 mm in size. AAH with extensive involvement on one side of the lung field or one that is larger than 2 cm has not been previously reported. We herein report a case of a 71-year-old nonsmoking female with lung AAH of larger than 2 cm.

keywords
Lung, Precancerous Conditions, Adenocarcinoma

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Tuberculosis & Respiratory Diseases